cheilos, = a lip;
anthos, = a flower, the bloom of a flower.
(referring to the form of the indusium)
(*in this case the spore-cluster)
['The 'indusium' is the membranous shield or scale covering the sorus or fruit-cluster* of a fern.]
(*in this case the spore-cluster)
(
LS,
Le,
Ox,
AB)