Androgamy 
(SUPPLEMENT) 
dt-anthic 
lating to Cyrornasm; ~andro- 
g’amy, the male gamete is fer- 
tilized by the cyto-plasm of the 
female gamete (Dangeard) ; ~ gyno- 
g’amy the female gamete is im- 
pregnated by the cytoplasm of 
the male gamete (Dangeard) ; cyto- 
plas’tic (hacrds, moulded), rela- 
ting to the CyrTopLast; Cy’to- 
stat‘ics (crarikés, causing to stand), 
conditions of equilibrium in the 
cell (Graf). 
dac’tyloid, (1) finger-like; (2) per- 
taining to the § Dactyloides of the 
genus Saxifraga. 
Damp’ing off, the collapse of seedlings, 
ascribed to the attacks of the 
Fungus Botrytis vulgaris, or of 
Pythium De-Baryanum. 
dasyclad’ous,-dus («\ddos, a branch) = 
compactus (Russow). 
deaf, has been implied to imperfect 
fruits of Rumex; ~-seeds, imper- 
fect seeds of grasses (Percival). 
Deassimila’tion, the process of plant- 
katabolism (Quin). 
Death-point, the critical point when a 
spore is rendered permanently in- 
capable of germinating (J. F. 
Clarke). 
decan’der (Mod. Lat.), decandrous. 
Deform’ity, a monster; De’form is 
used by Kuntze in the same sense. 
degen’erate, degraded in function or 
form. 
degress‘ive, tending towards de- 
eneration. 
delignify’ing (Jignum, wood, facio, I 
make), applied to an enzyme which 
breaks down the structure of 
wood, as in Merulius. 
demat’ioid (eldos, resemblance), like 
the genus Dematium, having a 
felted layer of hyphae bearing 
perithecia. 
Den’drium (dévdpov, a fruit tree), an 
“orchard formation”; dendro- 
ph’ilus (d¢idéw, I love), ‘‘ orchard 
loving”; Dendrophy’ta, (g¢urév, a 
plant), ‘‘orchard plants” (Cle- 
ments). 
Deperula’tion (de, prefix of separation, 
+ PERULA), the act of throwing off 
the bud-scales in leafing ; calyp’tral 
~, thrown off as a cap; tu’bular 
~, when remaining as a collar at 
the base of the shoot (Kirchner), 
Dermatocalyp’trogen = DeRMACALYpP- 
TROGEN, 
Derm’oplast (m\acrds, moulded), 
Pirotta’s term for a Monopuasz, 
invested with a membrane; Der- 
mosym'plast, the same writer’s 
word for a Sympiast as a latex- 
vessel. 
desmid’ian, allied to the Desmideae; 
Des’midocarp (xaprés, fruit), the 
special cystocarp of Balbiania ; the 
fertilized trichogynial cell divides 
transversely, each daughter-cell 
in turn branching with terminal 
oospores. 
Desmopiank’ton (+ PLANETON), 
plankton united into bands or 
ribbons (Forel), 
destarch’ed, deprived of starch, as 
by translocation. 
deus’tate, deus’tous (deustus, burned 
up), as if scorched (Heinig). 
Deu'ter (Germ., an interpreter) Cells, 
a row of large parenchymatous 
cells, empty or containing starch, 
which occur in the middle nerve of 
Mosses (Limpricht) ; cf. Pornrzr- 
CELLS. 
Deuterogonid’ium (+ GoNIDIUM), & 
gonidium in the second generation 
of a transitional series (A. Braun) ; 
Deut’oxylem (+ XYLEM),a synonym 
of METAXYLEM). 
Dew-rust, “blotchy discoloration of 
leaves caused by dew” (Heinig). 
Di’ad, a variation in spelling of Dyan, 
infra. 
diae’cious = DIOECIOUS, 
Diakine’sis (xlvyois, energy), the 
phenomenon following the SPrREM- 
stage of nuclear division). 
dialyste’lic (+ STELz), having distinct 
steles. 
dian’dreous, the condition of Orchids 
having two perfect stamens (S. 
Moore). 
di-anth’ic (dv6os, a flower), pollination 
by a flower of the same plant (K. 
Pearson). 
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