450 
PODOSTIGMA— rOLYGALA. 
filiforai, floating ; leaves pinnate ; flowers 
axillary. Attached to rocks and large 
Btones in shallow waters. 
abrotanoi'des, divisions next to frond very 
branching; the terminal ones capillary, di- 
chotomous, many-cleft floral spathe elon- 
gated. No root distinct from the stem. S. 
F0DOSTIG"MA. ]8— 5. (Apocynece.) [From 
pous^, foot, and stigvia, stigma.] 
pubes"cens, (y-g. M. iX-) erect; leaves 
Imear ; umbels terminal and axillary ; petals 
erect, longer tlian the calyx; corpuscle 
pedicelled. 12-18 i. S. 
vi/'idii, (g. and p. M. 2^.) erect, leaves 
oblong, obtuse, petiolate; petals large, 
erect ; umbel« generally terminal. S. 
POGO'NIA. 18—1. {Orchidecc.) [From a 
Greek word signifj-ing- beard.] 
ophioglotisoi'des, (snake-month arethusa. 
r. Ju. 2^.) root Hbrous ; scape with 2 distant 
leaves, 1-2-flowered ; leaves lance-oval ; lip 
fringed. 8-12 i. 
verticillafla, (y-r. J. 14..) leaves 5-verticil- 
late ; flower solitary ; 3 outer segments of 
the perianth long and linear ; the inner 
ones lanceolate, obtuse ; lip 3-lobed, dilated, 
the middle lobe undulated ; root fascicu- 
late. Swamps. 
divarica'ta, (p. J. 14.-) 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. 
POLANrS"IA. 12—1. (Cappaiidcs.) 
graveo'kns, (false mustard, r. w. Ju. @.) 
viscid-pubescent ; leaves ternate ; leafets 
elliptical-oblong ; flowers generally dode- 
candrous. 1 f. 
tenuifo'lia, viscid-glandular ; leaves 3-fo- 
liate, nearly glabrous ; leafets fiiifonri-linear, 
longer than the petiole; petals very une- 
qual, sub-orbicular, entire, on short claws ; 
Btamens 9-11 ; style longer than the ovary ; 
pods linear, terete, minutely reticulated, 
glabrous. Georgia. 
POLEMO'NIUM. 5—1. (Polemoma.) [An 
ancient name derived from polemos, war, 
because, according to Pliny, kings contend- 
ed for the honor of its discovery.] 
rep" tans, (Greek valerian, b. M. 11) 
leaves pinnate, leafets 5-13 ; flowers termi- 
nal, nodding. 
POLYCAR'TON. 3—3. (Amaranthi^ [From 
polus, many, and karpos, seed or fruit.] 
tetraphyU'lum, (w. J.) leaves opposite 
and in fours, obovate, obtuse, entire, 
glabrous, nari'owed at the base ; calyx 
Eersistent; capsule ovate, 1-celled; stem 
ranching glabrous, striate, knotted. 3-6 
S. 
POLVCNE'MUM. 3—1. {AtripUces.) [From 
polus, and kneme, a leg or knee, from the 
number of jointed branches, or joints of the 
stem.] 
america'num, {14..) 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. 
tuhero'sa, (tuberose, 14-) flowers altei*- 
Date, in pairs, rootlets tuberous ; scape scaly ; 
leaves linear, long ; Bvveet-scented, Ex. 
The polyanthus of the gardens belongs to 
the genus Primula. 
POLYG"ALA. 16—6. {Leguminosm.) [From 
polus, much, and gala, milk, from its milk) 
juice.] 
paucifo'lia, (flowering wiutergreen, r 
M. 14.) 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. 
sen"ega, (seneca snake-root, mountain- 
flax, r. or w. J. 14-) stem ei'ect, simple, 
leafy ; leaves alternate, lanceolate ; spike 
terminal, filiform ; flowers alternate, not 
crested. Var. aZ^^z^Za, leaves lanceolate or 
oval ; spike somewhat crowded ; flowers 
white, sub-ses.sile. 8-14 i. 
polyg"ama, (ground flower, p. J. 14-) 
stems numerous ; leaves linear-oblong, al- 
ternate downwards ; racemes terminal and 
lateral, elongated ; flowers sessile ; radical 
racemes procumbent, with apterous flowers. 
4-8 i. 
purpu'rea, (r. Ju. ^.) stem fastigiately 
' branched ; leaves alternate, oblong-linear ; 
} flowers beardless, imbricated in obtuse cy- 
I lindrical spikes ; rachis squarrose ; wings of 
the calyx cordate, ovate, erect, twice as 
I long as the capsule. 12-18 i. Woods and 
i hill sides. 
I lu'lea, (yellow milkwort, y. S. $ .) stem 
! simple or branched ; lower leaves spatu- 
, late, upper ones lanceolate ; flowers in glo- 
j bular heads; wings of the calyx ovate, mu- 
I cronate; bracts shorter than the flowers. 
8-16 i. Pine barrens. 
incarna'ta, (r. J. @.) stem nearly simple, 
erect, glaucous ; leaves scattered, subulate , 
spikes oval, oblong ; tube of the corolla 
long, slender. S. 
mngnin"ea, (r. Ju. erect; bran'^hea 
fastigiate ; leaves linear ; spikes crowded ; 
flowers not fimbriated ; rachis squarrose. 
12-18 i. 
verticillafta, (dwarf snake-root, w. J. ^.) 
erect, branching ; leaves whorled and scat- 
tered ; spike filiform, peduncled ; flowers 
distinctly alternate, approximate, crested ; 
calycine wings shorter than the fruit. 6-8 i 
ambig"na, (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. 
cruciafta, (r. g. Ju. ^.) stem fastigiate , 
wing- angled ; leaves verticillate in lours 
linear-oblong; flowers in spiked sessile 
heads. 8-12 i. 
corymbo'sa, (g-y. Ju. 21.) stem ei'ect, 
terete, nearly nated; lower leaves long, 
linear-lanceolate, stem leaves subulate, 
minute near the summit ; racemes cor- 
ymbed ; rachis squarrose. 2-4 f. 
sefa'cea, (Ju. @.) stem setaceous, nearly 
leafiess, simple, sparingly branched near the 
summit ; leaves small, setaceous, scattered-, 
flowers minute, in a compact spike. *S^. 
viiidis"cenx, (g-y. J u.) stem simple ; leaves 
cuncate, obovate, obtuse ; hei^d c^lindrici 
squarrose ; calycine wings cpxispicuously 
acuminate. 1-4 i. S. 
baldwin ta, (y-w. Ju.) stem slif^l tly an 
