polygamian 
polystomous 
taining plants with polygamous 
flowers ; polygam’ian = POLYGAM- 
ous; polyg’amous (yduos, mar- 
riage), with hermaphrodite and 
unisexual flowers on the same, 
or on different individuals of 
the same species; Polyg’amy, the 
condition described; polyg’amo- 
dioe’cious, dioeciously polygamous 
(Crozier); Polyg’eny (yévos, race) 
Huxley’s term for PoLYPHYLESIS ; 
polygon’atus (yévv, a knee), where 
the stem has many _ knots; 
polyg’onus (ywvia, an angle), 
multangular ; polygynae’cial (yuv- 
axetov, the women’s house), having 
multiple fruits formed by the united 
pistils of many flowers; polygyn’ous, 
polygyn'‘icus (yvv7},a woman), having 
many distinct styles ; Polygyn’ia, a 
Linnean order of plants so consti- 
tuted; Polyg’yny = Potycamy ; 
polygy rus (yupos,a circle), in several 
whorls or circles. 
Polyhed’ron, pl. Polyhed’ra (zodvedpov, 
a solid of many bases), a stage in 
the growth of Hydrodictyon, when 
the hypnosperm or resting spore 
breaks up into several megazoo- 
spores which put out horn-like ap- 
pendages; these polyhedra break 
up into zoospores. 
polylep’idus (7od’s, many, Aeris, 
yerldos, a scale), having many 
scales ; polym/erous, -rus (uépos, a 
part), with numerous members to 
each series or cycle ; polymor’phic, 
polymor’phous, -phus (popdh, a 
change), with several or various 
forms; variable as to habit ; 
Polymor’phy, the existence of more 
than one form of the same organ 
on a plant; polyneur’is (vevpis, a 
sinew), where the veins of a leaf, 
especially the secondary veins, are 
numerous ; polyoi’cous (olkos, a 
house), a combination of (a) AU- 
rToicous, (b) HETEROICOUS, or (c) 
SYNOICOUS, with piorcous Mosses ; 
polyovula’‘tus (+ Ovuxivm), fur- 
nished with many ovules; poly- 
pet’alous, -lus (+Prrat), having 
several distinct petals ; Pol’yphore, 
205 
Polyphor'ium (popéw, I carry), a 
torus with many pistils, as of a 
strawberry ; Polyphyle’sis (+ PHYL- 
Et1c), descent from more than one 
line of descent ; adj. polyphylet‘ic ; 
Polyphylog’eny (+ Puyioczyy), 
lineage through several lines ; poly- 
phyl'lous (#vAdov, a leaf), having 
many leaves; Pol’yphyll, an increase 
in the normal number of organs 
in a whorl; Pol'yplast (macros, 
moulded), a group of mono- 
plasts which are the_ organic 
elements of protoplasm (Vogt). 
polyp’orous, relating to the fungus 
genus Polyporus. 
polyrhi’zal, polyrhi’zous (rod’s, many, 
piga, a root), (1) having numerous 
rootlets ; (2) where parasites have 
many distinct rootlets apart from 
their haustoria; Polysar’ca (cdpé, 
capxés, flesh), an unnatural growth 
due to excess of nutriment ; Poly- 
se’cus t (ofxos, a stall), Desvaux’s 
term for an Erarrio as in Jfag- 
nolia; polysep’alous, -lus (+SEPAL), 
with many distinct sepals; poly- 
si’phonous (ci@wr, a tube), applied 
to a filament of several coherent 
longitudinal rows of cells; pol’y- 
sperm, polysper’mal, polysper’- 
mous, -mus (orépua, a seed), when 
a pericarp has numerous seeds; 
Pol’yspore (copa, a seed), a multi- 
cellular spore composed of Mz- 
pispores (Bennett & Murray); 
polyspor’ous, containing many 
spores, used of Cryptogams, as in 
asci when more than four or 
eight spores occur; polys’tachous 
(Crozier) = polystach’yous (araxus, 
a spike), having many spikes ; 
polyste’lic, polyste’lous (+STELE), 
with more than one plerome strand 
at the growing point, so that the 
stem has more than one stele, as 
in Gunnera; Polyste’ly, the con- 
dition specified; polyste’monous, 
-nus (oripwv, a filament), having 
many stamens, polyandrous ; poly- 
stig’mus (+ SricMa) with many 
carpels, each originating a stigma ; 
polys'tomous, -mus (ordua 
