SUPPLEMENT 
Note.—The derivations here given are strictly supplementary to 
those in the main alphabet. 
Ab’last, the entire suppression of an 
organ, as distinct from ABORTION, 
in which it remains rudimentary 
or partially developed (Kichler). 
abys’sal (aBvccos, bottomless), applied 
to organisms existing in the depths 
of the ocean (Warming). 
Acaroph’ily (¢cAéw, I love), mutual ad- 
vantages between plants and mites ; 
adj., acaroph’ilous. 
acarpotrop’ic (+ CARPOTROPIC), not 
throwing off its fruits. 
accessor’ial, specially applied to 
those branches of Pithophora aris- 
ing from near the base of the 
mother-cell (Wittrock) ; acces’sory 
Indu’sium, when the margin of a 
fern-frond is inflexed over thesorus. 
Acclima'tion (ac = ad, to, clima, 
climate), used by L. H. Bailey for 
the natural process of becoming 
inured to a climate at first harm- 
ful; Acclimatiza’tion, is preferred 
for scientific use, especially when 
denoting human action in inuring 
plants to a strange climate. 
accu/ment (Heinig) = ACCUMBENT. 
a’cer, used by some authors instead 
of the generally adopted a’cris, 
(1) sharp, pointed; (2) acrid, as 
in Ranunculus acris, Linn. — 
acera’ceous, relating to the genus 
Acer, or its allies. 
achlorophylla’ceous (a = without, + 
CHLOROPHYLLACEOUS), destitute of 
chlorophyll. 
Achro’ocyst (xio7ts, a cavity), Arbau- 
mont’s term for cells of the terminal 
meristem, which have clear con- 
tents; cf. Cyanocysr, 
acic’ular, phase of Bacterium Termo, 
Cohn, is when it becomes needle- 
shaped. 
Acla’dium (a, privative, x\ddos, a 
branch), in Hieracium, the pe- 
duncle of the terminal flower-head. 
Ac’orin, a glucoside from <Acorus 
Calamus, Linn., which is used in 
perfumery. 
Ac’ospores, -ae (dxy, point, + SPORE), 
plants having awned seeds, as 
grasses (Clements). 
acqui’red (acquiro, I add to), used of 
those characters which arise in the 
life-time of the organism as the 
result of the environment, in dis- 
tinction to hereditary characters. 
Acran’thi, pl. (dkpos, uppermost, 
&vOos, a flower), employed by W. 
Wilson to denote terminal inflores- 
cences in Mosses. 
Acrocecid’‘lum (+CzxcIDIUM), a de- 
formity of the terminal bud, due 
to gall-insects; Acrochlamyd’eae 
(xAapvs, a tunic), w term proposed 
by Hoeck for all haplostemonous 
Gamopetalae exclusive of Cucur- 
bitaceae, but inclusive of Umbel- 
liferae ; a group considered by him 
to stand at the head of Dicoty- 
ledons; Acroconid’ium ( + Con- 
IDIUM), used of those conidia which 
successively mature. and break 
away from the apex of the con- 
idiophore (A. Fischer); acroph’- 
ilus (gAdw, I love), dwelling in 
the alpine region; Acrophy’ta, 
(purov, a plant), alpine plants; 
Acrophyt‘ia, alpine plant forma- 
tions (Clements). 
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