144 
PODOSTIGMA— POLYGALA. 
filiform, floating ; leaves pinnate ; flowers 
axillary. Attached to rocks and large 
Btones in shallow waters. 
ahrotanoi'des, divisions next to frond very 
branching; the terminal ones capillary, di- 
chotomous, many-cleft floral spalhe elon- 
gated. No root distinct from the stem. S. 
PODOSTIC'MA. ]8— 5. (ApoCynea.) [From 
jpou.?, foot, and stigma, stigma.] 
pubes"cens, (y-g. M. 2^.) erect; leaves 
linear ; umbels terminal and axillary ; petals 
erect, longer than the calyx; corpuscle 
pedicelled. 12-18 i. S. 
vvr"idis, (g. and p. M. 2X •) erect, leaves 
oblong, obtuse, petiolate ; petals large, : 
erect ; umbels generally terminal. S. 
POGO'NIA. 18—1. (Orchidea.) [From a 
Greek word signifying beard.] 
ophioglossoi'des:, (snake-moath arethusa. 
r. Ju. 2^.) root fibrous ; scape with 2 distant 
leaves, 1-2-flowered ; leaves lance oval ; lip 
fringed. 8-12 i. 
verticillafta, (y-r. J. 2^.) leaves 5-verticil- 
late ; flower solitary ; 3 outer segments of 
the perianth long and linear ; the inner \ 
ones lanceolate, obtuse ; Up 3-lobed, dilated, 
the middle lobe undulated ; root fascicu- 
late. Swamps. 
divarica'ta, (p. J. 2^.) root fibrous; scape \ 
1-flowered, with two distant, lance-oblong \ 
leaves; outer petals long-linear, expand- 
ing ; lip sub-3-lobed, crenulate. 18-24 i. S. ! 
POLANIS"JA. 12—1. (Capparides.) i 
groveo'lens, (false mustard, r. w. Ju. @.) ' 
viscid pubescent ; leaves ternate ; leafets 
elliptical oblong ; flowers generally dode- 
candrous. 1 f. 
temiifo'lia, viscid-glandular; leaves 3-fo- 
liate, nearly glabrous ; leafets filiform-linear, ; 
longer than the petiole ; petals very une- j 
qual, sub-orbicular, entire, on short claws ; ' 
stamens 9-11 ; style longer than the ovary ; 
pods linear, terete, minutely reticulated, j 
glabrous. Georgia. 
POLEMO'NIUM. 5—1. (Polemonia.) [An! 
ancient name derived from polemos, war, 
because, according to Pliny, kings contend- 
ed for the honor of iis discovery.] 
rep"tans, (Greek valerian, b. M. 2/.) 
leaves pinnate, leafets 5-13 ; flowers termi- 
nal, nodding. 
POLYCAR'TON. 3—3. (Amaranthi.) [From 
polus, many, and karpos, seed or fruit.] 
tetraphyVlum, (w. J.) leaves opposite 
and in fours, obovate, obtuse, entire, 
glabrous, narrowed at the base ; calyx 
persistent ; capsule ovate, 1-ceiled ; stem 
branching, glabrous, striate, knotted. 3-6 
i. S. 
POLYCNE'MUW. 3—1. (Atriplices.) [From 
polus, and kneme, a leg or knee, from the 
number of jointed branches, or joints of the 
stem.] 
america'mim, [11.) cespitose ; leaves con- 
nate, crowded, subulate, 3-angled, rather 
pungent ; flowers terminal. S. 
POLYAN"THES. 6—1. ((Narcissi.) [From 
polus, many, and anthos, flower, because it 
bears many flowers. 
tubero'sa, (tubero.se, 14.) flowers alter- 
nate, in pairs, rootlets tuberous; scape scaly ; 
leaves linear, long ; sweet-scented. Ex. 
The polyanthus of the gardens belongs to 
the genus Primula. 
POL YG" ALA. 16—6. (Leguminosa.) [From 
polus, much, and gala, milk, from its milk> 
juice.] 
paucifo'lia, (flowering wintergreen, r 
M. 2-^.) small, large-flowered ; stem simple 
erect, naked below; leaves ovate, acute, 
glabrous, near the top of the stem; flowers 
crested, terminal, about in threes. 3-4 i. 
seu"ega, (seneca snake-root, mountain- 
flax, r. or w. J. 11.) stem erect, simple, 
leafy ; leaves alternate, lanceolate ; spike 
terminal, filiform ; flowers alternate, not 
crested. Var. aU'bida, leaves lanceolate or 
oval ; spike somewhat crowded ; flowei's 
white, sub-sessile. 8-14 i. 
polyg"ama, (ground flower, p. J. ll) 
stems numerous ; leaves linear-oblong, al- 
ternate downwards ; racemes terminal and 
lateral, elongated ; flowers sessile ; radical 
racemes procumbent, with apterous flowers. 
4-8 i. 
jnirpii'rea, (r. Ju. s^.) stem fastigiately 
branched ; leaves alternate, oblong-linear ; 
flowers beardless, imbricated in obtuse cy- 
lindrical spikes ; rachis squarrose ; wings of 
the calyx cordate, ovate, erect, twice as 
long as the capsule. 12-18 i. Woods and 
hill sides. 
lu'tea, (yellow milkwort, y. S. $ .) stem 
simple or branched ; lower leaves spatu- 
late, upper ones lanceolate ; flowers in glo- 
bular heads ; wings of the calyx ovate, mu- 
cronate; bracts shorter than the flovverj.. 
8-16 i. Pine barrens. 
incarna'ta, (r. J. 0.) stem nearly simple, 
erect, glaucous ; leaves scattered, subulate ; 
spikes oval, oblong ; tube of the corolla 
long, slender. S. 
sanguin"ea, (r. Ju. 0.) erect; branches 
fastigiate ; leaves linear ; spikes crowded ; 
flowers not fimbriated; rachis squarrose. 
12-18 i. 
verticilla'ta, (dwarf snake-root, w. J. 0.) 
erect, branching ; leaves whorled and scat- 
tered ; spike filiform, peduncled ; flowers 
distinctly alternate, approximate, crested ; 
calycine wings shorter than the fruit. 6-8 i. 
amhig"ua, (p. ^.) erect; leaves linear, 
lower ones verticillate, the rest scattered ; 
spikes acute, long-peduncled ; flowers cris- 
tate ; calycine wings round and veined, as 
long as the fruit ; bracts deciduous. 
cnicia'ta, (r. g. Ju. @.) stem fastigiate , 
wing-angled ; leaves verticillate in fours 
linear-oblong; flowers in spiked sessile 
heads. 8-12 i. 
corymbo'sa, {g-y. Ju. 21.) stem erect, 
terete, nearly naked ; lower leaves long, 
linear-lanceolate, stem leaves subulate, 
minute near the summit; racemes cor- 
ymbed ; rachis squarrose. 2-4 f. 
seta'cea, (Ju. 0.) stem setaceous, nearly 
leafless, simple, sparingly branched near the 
summit; leaves small, setaceous, scattei-ed-, 
flowers minute, in a compact spilie. S. 
vindis"cens, (g-y. Ju.) stem simple ; leaves 
cuneate, obovate, obtuse ; head cylindric, 
squarrose ; calycine wings conspicuously 
acuminate. 1-4 i. S. 
baldwin"ia, (y-w. Ju.) stem slightly an 
