Appendix

Baron Christian Ludwig von Hake (1745-1818), German promoter of botany, and ranked state minister in the Duchy of Bremen and the Principality of Verden (Bremen-Verden), two separate entities ruled in a 'personal union', that is, governed by the same monarch although their boundaries, their laws and their interests remain distinct. (CRC World Dictionary of Plant Names, Hugh Clarke)
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Russell Hallack (1824-1903), British businessman born in Cambridge, amateur botanist and plant collector who settled in South Africa in 1843 and botanized around Port Elizabeth and who sent collections to Peter McOwan and William Henry Harvey. He was the father of collector Florence Mary Paterson. He died at Port Elizabeth, and is commemorated with the taxa Satyrium hallackii and Disa hallackii. The genus Hallackia in the Orchidaceae was published in 1863 by Irish botanist William Henry Harvey. (JSTOR; Gunn & Codd)
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Albrecht von Haller (1708-1777), Swiss botanist, physician, poet, experimental physiologist, professor of botany at Göttingen and founder of the Göttingen University herbarium. He wrote the poem, Die Alpen, while doing botanical research (1932), produced a major work on Swiss flora (1742), and an eight-volume compendium of information on physiology (1747-1766). His publications, numbering in the thousands, guided development in physiology for a century. (CRC World Dictionary of Plant Names, Hugh Clarke)
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William Henry Harvey (1811-1866), renowned Irish-born botanist, algologist and pioneer of South African systematic botany, Colonial Treasurer-General of the Cape Colony, Keeper of the herbarium at Trinity College, Dublin, professor of botany to the Royal Dublin Society and at Trinity College, Dublin, Fellow of the Linnean and Royal Societies, co-author with Dr. O.W. Sonder of Hamburg of the first three volumes of Flora capensis from 1860-1865. He also produced The Genera of South African Plants (1838), which was the first significant botanical book to be published in Africa, the Manual of British Algae (1841), the Phycologia Britannica (1846-1851), and the Phycologia Australica (1858-1863). He collected along the Atlantic coast of the United States, Australia, Tasmania and the South Seas. He came to the Cape when he was 23 years old and stayed about four years before he returned to England. He was unquestionably one of the giants of South African botany. He is commemorated with the genus Harveya in the Scrophulariaceae which was published in 1837 by British botanist William Jackson Hooker, and in many taxa such as Albizia harveyi, Disa harveiana, Senecio harveianus, Ceratandra harveyana, Vitex harveyana, Gymnosporia harveyana, Sclerochiton harveyanus, Commiphora harveyi, Phylica harveyi and many others. (Gunn & Codd)
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Johann Christian Hebenstreit (Joannes Christianus Hebenstreitius) (1720-1791), a professor of medicine at Leipzig and also of botany and natural history at the Russian Academy of Sciences at St Petersburg. He was also personal physician to Count Kyrylo Rosumowskyj, the President of the Academy. The genus Hebenstretia in the Scrophulariaceae was published in 1753 by Swedish botanist Carl Linnaeus. I have no explanation for the inconsistency in spelling between Hebenstretia and Hebenstreit. (PlantzAfrica)
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Johann Hedwig (aka Johannes Hedwig or Joannis Hedwig) (1730-1799), German botanist, physician, and expert microscopist, sometimes referred to as the father of bryology because of his study of mosses. He was a professor of medicine and botany at the University of Leipzig, Director of the Leipzig Botanical Garden, author of Fundamentum Historiae Naturalis Muscorum Frondosorum in 2 vols. (1782-1783) and Species Muscorum Frondosorum (1801), and a Fellow of the Royal Society and foreign member of the Royal Swedish Academy of Sciences. The genus Hedwigia in the Hedwigiaceae was published in his honor in 1804 by French naturalist Ambroise Marie François Joseph Palisot, Baron de Beauvois. (CRC World Dictionary of Plant Names)
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Oswald von Heer (1809-1883), Swiss paleobotanist and entomologist, zoologist, biologist, theologist, traveller and plant and insect collector, Director of the botanic gardens in Zurich, and professor of botany and entomology at the University of Zurich. The genus Heeria in the Anacardiaceae was published in 1837 by Swiss botanist Carl Daniel Friedrich Meisner. (CRC World Dictionary of Plant Names)
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Lorenz Heister (1683-1758), German anatomist, surgeon and botanist, commemorated in Muraltia heisteria and the former taxon Tulbaghia heisteri, now synonymized to Agapanthus africanus. His botanical garden in Helmstädt was considered one of the most attractive in Germany. He studied anatomy and was an assistant physician in field hospitals at Brussels and Ghent, later earning his doctorate, acting as a field surgeon, and becoming a professor of anatomy and surgery. He was the author of a surgical work called Chirurgie and coined the term 'tracheotomy.' (Hugh Clarke, pers. comm.; Wikipedia)
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Hellmuth Steudel, German physician and surgeon, the son of German botanist and physician Ernest Gottlieb von Steudel (1783-1856), the genus author. He was the author of Die medizinische Praxis, ihre illusionen und ihr Streben zur Gewissheit (Medical practice, their illusions and the quest for certainty, 1853) and Praktik der Heilgymnastik (Practice of physiotherapy, 1860), and the co-author of Der Nihilismus, Das Einzig Wahre in der Medizin (Nihilism, the One Truth in Medicine, 1887). The genus Hellmuthia in the Cyperaceae was published in 1850. ("The Floral Scales in Hellmuthia," by A. Vrijdaghs et. al., Annals of Botany, Vol. 98 [3], Sep. 2006; Hugh Clarke)
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The personification of the Day. and was the daughter of Erebus and the Night and the sister of Aether. See also “Nyx”.
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Paul Hermann (1646-1695), German-born Dutch botanist, herbalist, professor of botany at Leyden, traveller and explorer in Africa, India and Sri Lanka, plant collector at the Cape where he made one of the earliest plant collections now housed at the Sloane Herbarium, British Museum of Natural History, and at Oxford, in 1689 became professor of botany at Leiden and director of the Hortus Botanicus, Europe's finest botanical garden. (CRC World Dictionary of Plant Names)
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(1) Ernst Hermann (fl. 1890), farmer and plant collector in the western coastal area of South-West Africa, murdered in the Herero War of 1904, commemorated with Stipagrostis (formerly Aristida) hermannii (Gunn & Codd);
(2) Hermann Merxmüller (1920-1988), German botanist, professor of botany at the University of Munich, also Director of the Munich Botanical Gardens, conducted many expeditions to Africa, and discovered more than 100 new species of flowers, commemorated with Senecio hermannii. (David Hollombe, pers. comm.);
(3) Paul Hermann (1646-1695), see entry for Hermannia, commemorated with the former Solanum hermannii, now synonymized to Solanum linnaeaum. There are also two former taxa, Mertensia hermannii (synonymized to Dicranopteris linearis) and Ornithogalum hermannii (synonymized to O. thyrsoides), but I don't know who they commemorate.
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Adolar Gottlieb Julius (Hans) Herre (1895-1979), explorer, horticulturalist, curator of Stellenbosch University Botanical Garden, and succulent plant specialist who published a book on Mesembryanthemaceae in 1971. He collected over 300 species new to science and received the Fellow Award, the highest honor the Cactus and Succulent Society of America can confer in May, 1965. The genus Herrea in the Aizoaceae was published in 1927 by German botanist Martin Heinrich Gustav Schwantes and Herreanthus also in the Aizoaceae in 1928 by the same author. He is also honored with Avonia herreana, Senecio herreianus, and several dozen taxa with the specific epithet herrei, including Othonna, Lithops, Cheiridopsis, Brunsvigia, Moraea, Euphorbia, Ruschia, Cyrtanthus, Astroloba, Haworthia and others. (Etymological Dictionary of Succulent Plant Names)
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(1) Sir Joseph Dalton Hooker (1817-1911), great British botanist and explorer. He was a close friend of Charles Darwin, a plant collector at the Cape (briefly), and Director of Kew Gardens for 20 years. He was a paleobotanist on the Geological Survey of Great Britain in 1846, collected plants for Kew in India, sailed on HMS Erebus on the 1839-1843 voyage to the Antarctic which resulted in Flora Antarctica: Botany of the Antarctic Voyage, Flora Novae-Zelandiae (1851–53) and Flora Tasmaniae (1853–59). It was during this voyage that he was briefly at the Cape. From 1847 to 1851 he was in the Himalayas, an expedition that resulted in his Himalayan Journals and Flora Indica. In 1860 he ventured to Palestine and in 1871 to Morocco. Then in 1877 he visited the western United States with the famous American botanist Asa Gray. Undoubtedly his magnus opus was the 7-volume Flora of British India. He was the son of W.J. Hooker and father of botanical illustrator Harriet Anne Hooker who was married to botanist William Turner Thiselton-Dyer. J.D. Hooker is commemorated with Trochomeria hookeri, Lithops hookeri, Agathosma hookeri and the former taxa Cucumis hookeri (now C. africanus) and Senecio hookerianus (now Kleinia fulgens), and probably for Chondropetalum hookerianum. He is further remembered with the genus Hookerella which does not appear in southern Africa;
(2) Sir William Jackson Hooker (1785-1865), father of J.D. Hooker, professor of botany at Glasgow University, close friend of Sir Joseph Banks and first Director of Kew Gardens. His first botanical trip was to Iceland in 1809 which was successful except for almost dying in a fire which destroyed his samples. In 1814 he went to France, Switzerland and northern Italy. He was the author of Tour in Iceland (1809), Muscologia (1818), Musci exotici (2 vols., 1818-1820), Flora Scotica (1821), British Flora (1830), British Flora Cryptogamia (1833), and many other books including various works on the botanical expeditions of Sir William Edward Parry, Sir John Franklin and Frederick William Beechey. He helped to establish the Royal Botanic Institution of Glasgow and to lay out and develop the Glasgow Botanic Gardens. He is commemorated with Dracaena hookeriana, Hypericum hookerianum and the former taxon Barbula hookeri, now synonymized to B. calycina.The genus Hookeriopsis in the Hookeriaceae was published in 1877 by Swiss bryologist August Jaeger, and its name means "like Hookeria," which was a genus of bryophytes named in 1808 in honor of William Jackson Hooker by British botanist James Edward Smith. (Wikipedia; Hugh Clarke, pers. comm.)
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Johann Peter Huperz (1771-1816), German botanist, physician, and fern horticulturist, author of Specimen inaugurale madico-botanicum De Filicum propagatione, a work on fern propagation. He was a specialist on the ferns of Australia. The genus Huperzia in theLycopodiaceae was published in 1801 by German botanist Johann Jakob Bernhardi.. (CRC World Dictionary of Plant Names)
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Apollo was passionaltely fond of a youth named Hyacinthus. One day while playing a game of quoits, the quoit thrown by Apollo, bounded from the earth, striking Hyacinthus on the head. He fainted and fell. The god as pale as himself, raised him up and tried all his art to stanch the wound and retain the flitting life, but all in vain; the hurt was past the power of medicine. As when one has broken the stem of a lily in the garden it hangs its head and turns its flowers to the earth, so the head of the dying boy, as if too heavy for his neck, fell over on his shoulder. “Thou diest, Hyacinth,” so spoke Phoebus, “robbed of thy youth by me. Thine is the suffering, mine the crime. Would that I could die for thee! But since that may not be, thou shalt live with me in memory and in song. My lyre shall celebrate thee, my song shall tell thy fate, and thou shalt become a flower inscribed with my regrets.” While Apollo spoke, behold the blood which had flowed on the ground and stained the herbage ceased to be blood; but a flower of hue more beautifu than Tyrian sprang up, resembling the lily, if it were not that this is purple and that silvery white.1 And this was not enough for Phoebus; but to confer stil greater honour he marked the petals with his sorrow, and inscribed “Ah! ah!” upon them, as we see to this day. The fower bears the name of Hyacinthus, and with every returning spring revives the memory of his fate.

1. It is evidently not our modern hyacinth that is here descrobed. It is perhaps some species of iris, or perhaps of larkspur or of pansy.

The genus Hyacinthus in the Hyacinthaceae was published by Swedish botanist Carl Linnaeus in 1753.
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