Atitisepalous 
Aphyliy 
by division of the primary nucleus, 
when surrounded by protoplasm 
and finally cell walls ; antisep’alous 
(sepalum, calyx-leaf), opposite to, or 
upon a sepal, that is, not alternate 
with it; antisep’tic (onrriKds, put- 
refying), preventing putrefaction. 
Antisperm’y (dyri, against, omdpua, 
a seed), Delpino’s term for the 
coalescence of the fertile divisions 
of the phyllome into a single fertile 
body opposed and superposed to the 
sterile division, in Phanerogams ; in 
Pteridophytes he terms this pheno- 
menon Antisporan’gism (c7opa, seed, 
ayyelov, vessel). 
antithet/ic (avri@ec.s, opposition), in 
alternation of generations op- 
posed to homologous, implying that 
the two generations are different in 
origin. 
antit’ropal,antit’ropous, -pus (rpor?, a 
turn), a synonym of Orthotropal as 
applied to ovules; Antitox’in (roétkdy, 
poison), a substance secreted by 
the plant to protect itself against 
harmful bacteria ; adj. antitox’ic ; 
antizym’‘ic, antizymot’ic ({vuy, 
yeast), preventing fermentation. 
an’trorse, antror’sus (antero-, before, 
versus, turned towards), directed 
upwards, opposed to RETRORSE. 
Ant’rum } (Lat. a cave)=Pomum. 
apag’ynus + (daz, once, yuy7, woman), 
monocarpic. 
Apan’dry (do, without, dvijp, dvdpos, 
man), M‘Nab’s term for fusion of the 
antheridium with the oogonium ; 
also applied to the pollen-tube. 
aparaph’ysate (a, without, wapa, near, 
gpvouat, I am born), destitute of 
paraphyses; aperisperm’ic, aperi- 
sperma‘tus (+ Perisperm) = exal- 
buminous. 
Aper’tio (Lat. unfolding) = ANTHESIS. 
Apertu’ra (Lat. opening), (1) formerly 
used of the dehiscence of anthers ; 
(2) the ostiole of certain Fungi ; 
apert’us (Lat. opened), exposed, 
naked. 
Apet’alae (a, without, méradov, a 
flower leaf), plants wanting petals 
or corolla; apet’alous, -2us, apet’- 
19 
alose, without petals, or with a 
single perianth, as in Clematis, 
where the coloured sepals simulate 
petals; Apet’alousness, being with- 
out petals, 
A’pex { pl. A’pices (Lat. summit) (1) 
an old name for Anther; (2) the 
ostiole of Fungi (Lindley) ; (3) the 
growing point of a stem or root 
(4) the tip of an organ. 
Aphan‘isis (dddviois, disappearance), 
suppression of parts. 
Aphan’eri, pl. (a, not, pavepds, mani- 
fest), organisms which are not vis- 
ible without the aids of reagents 
(Maggi). 
Aphanocy’clae (d¢avis, unseen, KOxdos, 
a circle), Sachs’s name for certain 
plants where the whorls are not very 
manifest, as Nymphaeaceae. 
Apheliot’ropism (do, from, #Atos, the 
Sun, 7por?, a turning), turning away 
from the light, negative heliotrop- 
ism, asin roots ; adj. apheliotrop’ic. 
Aphleb’ia (a, without, Prey, pdreBos, 
vein), used generically by C. Presl, 
but by Solms-Laubach for anom- 
alous pinnae on the rhachis of 
certain fossil ferns, and the existing 
Hemitelia capensis, R. Br. 
Aphotis’tes ¢ (a, without, $¢drorijs, 
one who gives light), a plant 
growing in the absence of light, 
as a Truffle. 
aphotomet’ric (a, not, pws, gwros, 
light, uérpov, measure), applied by 
Strasburger to phototactic zoo- 
spores, which constantly turn the 
same extremity to the light; 
opposed to PHOTOMETRIC. 
Aph’rostase + (d¢pos, froth, ordous, 
standing), cellular tissue. 
Aph’thae (d¢0a, ulcerations in the 
mouth), the disease known as 
Thrush, ascribed to Saccharomyces 
albicans, Reess;  Apthaphy’tes 
(purer, plant), the Fungi mentioned 
above as causing the disease. 
Aphyll’ae (a, without, @vAdov, leaf), 
Lindley’s term for THALLOPHYTES ; 
aphyll'ous, -/us, aphyll’ose, wanting 
leaves; Aph’ylly, suppression of 
leaves. 
