Epichroa 
Epipbyll 
is distinct from the basal portion ; 
Epichro’a t (xpdés, skin), a supposed 
external layer of cuticle ; Ep’icline 
(kAlyn, a bed), a nectary when 
on the receptacle of a flower; 
epicli’nal, epicli’nus, seated upon 
the torus or receptacle; epicor’- 
mic (xopuds, a tree-trunk), (1) ap- 
plied to preventitious buds which 
develop on the trunks of trees ; (2) 
used of ‘‘branches which develop on 
the body of a forest tree from which 
surrounding trees have been re- 
moved ” (Okoziar}s epicor’olline, 
eptcorolla’tus (+ COROLLA), inserted 
upon the corolla ; Epicot’yl (xo7vAn, 
hollow vessel), the young stem 
above the cotyledons ; epicotyle’- 
donary, placed above the seed- 
leaves ; Epicu’tis (cwtzs, the skin), 
Fayod’s term for the superficial 
layer of the cuticle in Agarics ; 
Ep‘iderm, Hpider’mis (6épua, skin), 
the true cellular skin or covering 
of a plant below the cuticle; 
epider’mal, relating to the outer 
covering; ~ Tis’sue, the tissue 
which makes up the epidermis ; 
epider’moid (eléos, like), belonging 
to or resembling the epiderm ; 
epidermoi’dal Layer, the exoderm 
of roots ; Epidiphyll’um (dis, double, 
giddov, a leaf), Kronfeld’s term 
for a double leaf, when the growth 
of the lamina has been interrupted 
at a particular spot; epigae’an, 
epigae’ous, epige'us (yf, the earth), 
(1) growing upon the ground; 
(2) on land as opposed to water ; 
(3) the above-ground flowers of 
such genera as have hypogaean 
flowers also, as Krascheninikowia ; 
also occurs as epigeal, epige’an, 
epig’eous, especially when used 
of cotyledons which spread above 
the surface; Epigen’esis (yéveacs, 
a beginning), the theory that the 
embryo develops by the differen- 
tiation of new organs; opposed to 
the old theory of ‘‘ Evolution” or 
Preformation ; epig’enous, epig’enus 
(y&os, race), growing on the surface, 
as Fungi on leaves ; Ep’igone, Zpi- 
90 
go'nium (yovh, offspring), (1) the 
cellular layer covering the young 
sporophore in Hepaticae ; (2) simi- 
lar tissue in Mosses after formation 
of the capsule, frequently ruptured, 
the upper portion carried up as the 
calyptra, the lower remaining as 
the vaginule; (3) the nucleus in 
Chara; epigynophor’ius (yuv7, a 
woman, gopéw, I carry), placed 
upon a gynophore or stipe of an 
ovary (Lindley); epig’ynous, -us, 
on the pistil, apparently above the 
ovary; epigyn’icus, with the calyx 
or corolla superior. 
epilith’ic (éri, upon; AlOos, rock), 
growing on rocks as many lichens ; 
epim’enus (uévw, I remain), Necker’s 
term for the perianth being 
superior ; epinast/ic (vacrés, pressed 
close), (1) in leaves when pressed 
close to the ground, or away from 
the axis; (2) in organs when the 
ventral surface grows the fastest 
as in revolute vernation ; (3) when 
ovules are curved in a downward 
direction (Van Tieghem); Epinas’ty, 
De Vries’s term for curvature pro- 
duced by greater growth of the 
ventral surface; Epine’mus (rjua, 
a thread), the upper part of the 
filament in Compositae bearing the 
anther; epiperisperm’‘icus (rep, 
about, oépua,seed), without peris- 
perm or albumen (8. F. Gray); 
Epiperid’ium (++ Perrpium) = Exo- 
PERIDIUM ; epipet/alous, -us, ept- 
peta‘leus (mwéradov, a flower-leaf), 
(1) borne upon the petals; (2) 
placed before the petals; epi- 
petre’ous (7érpa, a rock), grow- 
ing on rocks, saxicole ; Epiphlo’ém 
(dros, bark), the outermost 
or corky bark; epiphloe‘odal, 
existing in the outer bark ; Ep’i- 
phiosa = EpipEerM (Lindley) ; Ep’l- 
phragm, Lpiphrag’ma (ppdypa, & 
fence), (1) a membrane which closes 
the opening of the theca in Mosses; 
(2) a delicate membrane closing the 
cup-like sporophore in Nidularia ; 
Ep’iphyll (pvddov, a leaf), the upper 
portion of a leaf, from which the 
