Nervation 
nivalis 
to the midrib of a leaf, as a 
prolongation of it—as a tendril. 
Nerva'tion, Nerva’tio (nervus, a nerve), 
venation, the manner in which the 
foliar nerves or veins are arranged ; 
ner’vate, nerva’tus (Lat.), nerved 
or veined; Nerve, Ner’vus, in 
botany, a simple or unbranched 
vein or slender rib; nerved, ner’- 
viger (gero, I bear), having nerves, 
in a botanic sense ; ner’veless, with- 
out apparent nerves; Nervimotil’- 
ity (+ Morinity), used by Dut- 
rochet to denote the stimulating 
effect of the substratum on a grow- 
ing organ; ner’vose, nervo'sus 
(Lat., sinewy), full of nerves, or 
prominently nerved; ner’vulose, 
nervulo'sus, diminutive of NER- 
vous; Ner’vures, the principal 
veins of a leaf. 
Nest-ep’iphyte (+ EprpHyte), an epi- 
phyte which accumulates humus 
around itself for its growth, 
nest’ling, nidulant (Crozier). 
netted, reticulated, net-veined with 
any system of irregularly ana- 
stomosing veins. 
Neuramphipet’alae (vevpov, a nerve or 
sinew; dudl, around; méradov, a 
flower-leaf), Cassini’s name for 
the Compositae; Neura‘tion (+ 
ation) = NegRvatTion (Crozier) ; 
neur’ose, neuro'sus = NERVOSE. 
neu’ter (Lat., neither of two), sexless, 
asa flower which has neither sta- 
mens or pistils; ~ Flow’ers, func- 
tionally asexual flowers ; neu’tral, 
pertaining to neither sex; ~ Zone, 
in Characeae, that line or place 
where rotating streams of proto- 
plasm flow beside each other in 
opposite directions, the “‘ indiffer- 
ent line” shown by the absence of 
chlorophyll granules ; neutriflor’us 
(flos, floris, a flower), used of the 
ray-florets of Compositae when 
neuter. 
new, the first publication of a genus, 
species, variety or form. 
Newto’nian Curve, called also the 
binomial or Galtonian curve, a 
graphic representation of varia- 
tions plotted geometrically in 
two dimensions; half-Galtonian 
Curve, w similar scheme, from the 
maximum to minimum, or vice 
versa. 
nicked, emarginate or notched. 
nicotia’nus, tobacco-coloured, from the 
genus Nicotiana; it usually means 
a full brown ; Nic’otin, an alkaloid 
found in tobacco-leaves, 
nido’sus=nidoro’sus (Lat., reeking), 
having a foul smell, as of burnt 
meat, or rotten eggs. 
nid’ulant, ni’dulans (Lat., nesting),(1) 
partially encased or lying free in a 
cavity, as the gemmae of Mar- 
chantia ; (2) embedded in pulp, as 
the seeds in a berry; nidula’tus 
(Lat.), nested, nestling ; Nidular’- 
ium, ‘‘the mycelium of certain 
Fungals ” (Lindley). 
Ni‘dus (Lat., a nest), a favourable 
place for a seed or spore to ger- 
minate. 
Niederblat’'ter(Germ.)=CATAPHYLLA. 
ni’ger (Lat.), black ; Nigre’do (Lat.), 
blackness. 
Night-posit‘ion, the position assumed 
by leaves during darkness, the 
edges being usually turned towards 
the zenith. 
nigres’cent, nigres'cens (Lat.), turn- 
ing black; ni’gricant, nigricans 
(Lat.), becoming black; this and 
the last are used for tints which 
turn black with age. 
ni’gritus (Lat.), blackened, clothed 
in black, 
Nip’ple, = Parris. 
niteli‘nus (Lat., pertaining to a dor- 
mouse), dormouse-coloured. 
nit‘id (Crozier) = nit/idous, nit/idus 
(Lat., shining), smooth and clear, 
lustrous. 
Nitrifica’tion(nitrum, nitre, + fication), 
the action of a nitric ferment result- 
ing in the production of nitrates and 
nitrites ; Nitrobacte’ria (+ Bac- 
TERIA), bacteria which produce 
nitrification by their action; 
Nitrocel’lulose (-+CELLULOSE), see 
CELLULOSE. 
nivalis (Lat., snowy); (1) growing 
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