Eunucleoli 
exotropic 
of Primula and Gunnera (Breb- 
ner); Bunucle’oli (+ NuvucuEouvs), 
a class of nucleoli which persist 
in nuclear division after the 
PsEvuDONUCLEOLI have disappeared 
(Rosen); Euparthen’osperm, Mac- 
Millan’s term for plants in which 
both embryo and endosperm are 
parthenogenetic ; eupelag’ic ( + 
PELAGIC), plankton confined to the 
ocean ; Euplank’ton (+ PLaNKTOoN), 
free - floating orgavisms (Forel) ; 
eupot’amic (vorauds, a river), ap- 
plied to the plankton of running or 
standing inland waters (Zimmer) ; 
euphotomet’ric (+ PHOTOMETRIC), 
Wiesner’s expression when leaves 
are so placed as to receive the 
greatest possible amount of light ; 
Euphyl'la, pl., true leaves; adj. 
euphyl'loid, euphylloid’eus ; eurad’- 
ulan, employed by batologists to 
denote similarity to Rubus Radula. 
eurotoph’ilus (evpws, mouldiness, 
girtéw, I love), dwelling in leaf- 
mould; Eurotophy’ta (gurov, a 
plant), leaf-mould plants ; Euro- 
tophy’tia, leaf-mould plant forma- 
tions (Clements). 
euryc’ladous (evpis, broad, xAddos, a 
branch), employed by Russow for 
laxus ; euryhal'ine (4)s, adds, salt), 
plankton adapted to varying con- 
ditions of salinity (Forel); eury- 
pho'tic (das, gwros, light), adapted 
to light of varying intensity (Forel); 
Eu'rytherm (6épu7, heat), applied to 
bacteria capable of enduring great 
heat; adj. eurytherm’ic. 
Eu’stele (+ STELE), Brebner’s term for 
the monostele of typical dicotyle- 
dons, a ring of meristeles, including 
pericyclic and ground tissue ; adj. 
euste’lic ; the condition is Euste’ly ; 
Euthal’lophytes, Huthallophy'ta, 
Engler’s term for THALLOPHYTES 
exclusive of Myxogastres; by 
Wettstein employed in a more 
restricted sense; eutrop’ic, (2) 
those flowers which display Ev- 
TROPY. 
Evec’tion (evectus, carried), in Clado- 
phora the initial cells of the 
(SUPPLEMENT) 
322 
branches springing from the sides 
of the upper end of the mother- 
cell (Brand). 
ever’nioid (eldos, resemblance), like 
the genus Hvernia (Leighton), 
Excoria’tion (ex, out of, coriwm, skin), 
the falling off of the outer layer of 
the terminal cells of glandular or 
capitate hairs, as in Geranium 
(Heinig) ; Excortica’tion (corticatus, 
covered with bark), the stripping 
of bark; exendotrop’ic (+ ENDo- 
TROPIC), when fertilized from an- 
other flower of the same or a 
different plant (K. Pearson); Ex- 
endot’ropy, the condition itself; 
exhomotrop’ic (+ HOMOTROPIC), 
when fertilized from the anthers of 
the same, or a different plant (K. 
Pearson); Exhomot’ropy, is the 
condition described ; Exhy’menine 
(Suv, @ membrane) = Extine. 
Ex’it, the inner aperture of the slit 
of a stoma; in Germ. ‘‘ Ausgang.” 
Ex’ocarp, Lxocar’pium (éfw, outside, 
xaptros, fruit), the outer layer of a 
pericarp ; exogam’ic (yduos, marri- 
age), when flowers are crossed from 
different plants (K. Pearson) ; exo- 
hadromat‘ic (+ HapRome), exterior 
to the hadrome; cf. PERTHADRO- 
MATIC; Exomer‘istem (+ MeERI- 
STEM), Russow’s term tor the meri- 
stem which produces all the tissues 
of a Moss outside the central- 
strand, namely, cortex and epider- 
mis (Vaizey); Exopleu‘ra (7)evpd, 
the side) = Txsta (Heinig) ; Exo- 
prothall’eae, Van Tieghem’s term 
for vascular cryptogams; Ex’o- 
spore (+ Srore), the three outer 
layers of the spores of Jsoetes 
(Fitting) ; Exosporin‘ium, the outer 
integument of a pollen-grain, or 
microspore, of flowering plants 
(Fitting); Exotest’a (+ Txsra), the 
hard outer layer of a seed-coat 
(F. W. Oliver); Exot’ism, a short- 
ened form of Exot‘icism, the con- 
dition of non-nativity, introduced 
from abroad; exotrop‘ic, fertilized 
from anthers of the same plant 
(K. Pearson). 
