antisepalous 
Aphylly 
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 (onmrixds, put- 
refying), preventing putrefaction. 
Antisperm’y (dy7l, against, omépyo., 
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, 
ayyetov, vessel). 
antithet‘ic (avrifec.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 toovules; Antitox’in (rofcxov, 
poison), a substance secreted by 
the plant to protect itself against 
harmful bacteria ; adj. antitox’ic ; 
antizym’ic, antizymot‘ic (fv, 
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 + (drat, 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, mapa, near, 
dtouat, 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’pext 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 (dpdvicis, disappearance), 
suppression of parts. 
Aphan’eri, pl. (a, not, gavepds, mani- 
fest), organisms which are not vis- 
ible without the aids of reagents 
(Maggi). 
Aphanocy’clae (agavijs, unseen, xtkXos, 
a circle), Sachs’s name for certain 
plants where the whorls are not very 
manifest, as Nymphaeaceae. 
Apheliot’ropism (do, from, #Acos, the 
Sun, tpor?, a turning), turning away 
from the light, negative heliotrop- 
ism, as in roots ; adj. apheliotrop’ic. 
Aphleb'ia (a, without, pdréy, pdeBes, 
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, ¢é&riris, 
one who gives light), a plant 
growing in the absence of light, 
as a Trufile. 
aphotomet’ric (a, not, gws, gwrds, 
light, uérpov, measure), applied by 
Strasburger to phototactic zoo- 
spores, which constantly turn the 
same extremity to the light; 
opposed to PHOTOMETRIC. 
Aph’rostase + (agpds, froth, ordos, 
standing), cellular tissue. 
Aph’thae (d¢@a, ulcerations in the 
mouth), the disease known as 
Thrush, ascribed to Saccharomyces 
albicans, Reess; Apthaphy’tes 
(urop, plant), the Fungi mentioned 
above as causing the disease. 
Aphyll'ae (a, without, ¢vAdov, leaf), 
Lindley’s term for THALLOPHYTES ; 
aphyllous, -Zus, aphyll’ose, wanting 
leaves; Aph’ylly, suppression of 
leaves. 
