Apogestation 
(ADDITIONS) 
asperulous 
Romanes to express “ indiscrimin- 
ate isolation”; Apogesta’tion (ges- 
tatio, a bearing), defined by A. S. 
Wilson as ‘the gestation of the 
germ of one plant in the tissue 
of a wholly different plant away 
from the generating system ” ; 
Ap’ophytes, pl. (¢urov, a plant), 
Boulger’s term for  Lichens; 
apoplasmo’dial (+ PLAsmopiuM), 
and apoplastog’amous (+ PLAsTo- 
GAMY), said of the Acrasieae, as 
differing from the Myxogastres by 
the non-fusion of their cytoplas- 
tic elements (Hartog) ; ap’oschist 
(cxtoTos, split), used of a gamete 
in which cell-division does not 
occur, but the cell directly assumes 
the behaviour of a gamete (Hartog); 
apostroph’ic, relating to APOSTRO- 
PHY ; ~ In’terval, the space on the 
PxHorruM capable of apostrophizing 
chlorophyll granules (S. Moore) ; 
also termed Apostroph’ion ; Apos- 
trophiza’tion, the act of chlorophyll 
granules in taking up the position 
of APOSTROPHE ; Apotaximorph’osis 
(rdfis, order, poppy, shape), Gub- 
ler’s term for any teratologic change 
which seems antagonistic to the 
normal laws governing the organ- 
ism ; apot’ropous (7po77, a turning), 
used of an anatropous ovule with 
the raphe ventral ; apotyp’ic (ros, 
a type), an anomalous departure 
from the general law of develop- 
ment ; Apoty’pose, an abnormality 
of the kind specified (Gubler). 
ara’ceous, relating to the order 
Araceae. 
Arch’esperm (c7épua, a seed), the fer- 
tilized contents of an archegonium 
(Bennett and Murray); Arch’isphere 
(cpaipa, a sphere), the contents of 
an archegonium previous to fertili- 
zation; Archianth’emum (dv@euor, 
a flower), C. Schimper’s term for a 
well-developed flower at the apex 
of a botryoid inflorescence, where 
it is normally absent (Penzig) ; 
Archichlamyd’eae (xAapvs, xAauv dos, 
a cloak), Engler’sterm including the 
Polypetalae and the Incompletae ; 
298 
archigon’ic (ydvos, offspring), aris- 
ing by spontaneous geveration 
Haeckel) ; Archocleistog’amy (+ 
CLEIsTroGAMy), when the flowers 
remain closed at the time when 
the sexual organs ripen (Knuth). 
arctogae’al (y%, the earth), in plant- 
distribution refers to Huxley’s term 
Arctogae’a, which includes Europe, 
Asia, Africa, and North America 
as far as Mexico. 
ardos’‘iacus (Mod. Lat., from Fr. 
ardoise, slate), slate-grey. 
arenic’olous (arena, sand, colo, I in- 
habit), growing in sand or sandy 
plices. 
Are’ola, add, (4) a lumen in the 
sporangium of Achyla, due to the 
influx of water (Harper). 
arieti‘nous (arietinus, pertaining to a 
ram), like a ram’s head (Heinig). 
aril'loid (eléos, resemblance), like an 
aril. 
ar’millate (armilla, a bracelet), con- 
sisting of rings or circles; ar’mil- 
lary, like a bracelet (Heinig). 
aroid’eous, relating to the order 
Aroideae. 
arthrodes’moid, resembling in form 
the Desmid genus Arthrodesmus 
(Archer). 
arthrog’ enous (yévos, offspring), when 
portions separate from the cell, and 
gradually develop into distinct in- 
dividuals (Massee). 
Articula’tion, add, (2) the basal 
portion of the sensitive bristle in 
Dionaea. 
As’arin, the bitter principle of Asara- 
bacca, Asarum europaeum, Linn. 
asclepiad’eous, like the genus As- 
clepias or its allies, as to structure; 
Asclepiadol’ogy (oyos, discourse), 
the science, or a treating of the 
order of Asclepiadeae (Schlechter). 
As’cocyst (kvoris, a cavity), a large 
hyaline empty cell with a thick 
wall, by some authors termed a 
paraphysis, occurringin Myrionema 
and allied genera(Sauvageau); asco- 
gon‘ial, relating to an ASCOGONIUM. 
asper’ulous, slightly rough with little 
points (Braithwaite). 
