OSTEYA— PANCRATIUM. 
135 
ban'en frond doubly pinnatifid ; segments 
oval, entire ; fertile fronds with opposite 
racemes, woolly. 3-6 f 
. cinyto'ma'na, {11.) fronds pinnate, bear- 
ing fruit at the summit, pinnate-pinnatifid, 
naving small dense masses of fulvous down 
B.t their origin. 20-30 i, 
resxa'lis, (r-y. J. 11.) frond bipinnate, ter- 
ninal in several racemes, very branching, 
without hairs. Wet. 
OS"TRYA. 19—12. (Amentacerc.) [From 
oseon, a bone, on account of its hardness.] 
virgin" ica, (iron-wood, hop hornbeam, g. 
M. $ .) leaves alternate, ovate-oblong, sub- 
tordate. acuminate, unequally .seiTate ; stro- 
oilums oblong-ovate. A small tree, with 
v^ery hard and heavy wood. Fertile flow- 
ers enlarged into a sort of oblong cone, re- 
sembling the common hop. Woods. Can. 
to Car. 
OXA'L[S. 10—5. (Gerania.) [From oxus, 
sour, on account of the juice ] 
ar.etosel"la, (wood-sorrel, w. r. M, 2/.) 
steraless ; scape l-tlowered, longer than the 
leaves ; leaves ternate, broad obcordate, 
with rounded lobes ; styles as long as the 
inner stamens ; root dentate. 
viola' cen, (violet wood -sorrel, p. J. 2^.) 
etemless ; scape umbelliferous, 3-9 flowered ; 
flowers nodding ; leaves ternate, obcordate, 
smooth ; styles shorter than the outer sta- 
mens. Scape 4-6 i. Rocky woods. 
stric"tn, (upright wood sorrel, y. J. ^.) 
hairy ; stem erect, sometimes procumbent, 
branched ; umbels about as long as the 
leaves ; leaves ternate, obcordate ; petals 
obovate, entire ; styles as long as the inner 
stamens. 4-10 i. Sandy fields. Flowers 
small, 4-6 in an umbel. 
cornicula'ta, (lady's wood-sorrel, y. M. 
pubescent; stem prostrate; umbels as 
long as the petioles ; petals obovate, slightly 
emarginate ; styles as long as the interior 
stamens ; leaves ternate, obcordate. 
OXYCOC'CUS. 8—1. (EricecB.) [From oxus, 
sour, and coccus, a berry.] 
macrocm-"p7is, (cranberry, r. J. fp.) creep- 
ing ; stem ascending ; leaves oblong, flat- 
tish, obtuse, becoming white beneath ; pe- 
dicels elongated ; divisions of the corolla 
lance-linear ; berry large, bright scarlet. Wet 
grounds. 
palm"tri!^, (J. 1?.) divisions of the corolla 
ovate ^ berries purple, smaller than the pre- 
ceding. Alpine bogs. 
erythroctir'''pus, (.1. '^.) erect ; leaves oval, 
acuminate, serrulate, and ciliate; pedicels 
axillary ; corolla long, at last revolute, 
very bright scarlet, transparent, of exquisite 
flavor. A small shrub. S. 
OXY'RIA. 6—2. (Poli/gonece.) [From oxus, 
acid, alluding to the leaves.] 
renifor"mis, (.1. 11.) outer sepals oblong, 
half the length of the inner obovate valves ; 
radical leaves i-eniform, long-petioled ; sta- 
mens 2 ; styles 2. 2-3 i. 
OXYTRO'PIS. 16-10. (LeguminoscE.) 
lamher"ti. (p. Ju. If.) stemless, silky- 
pilose ; leafets numerous, oblong, acute 
at each end; scape about equal to the 
leaves ; spikes oblong, capitate ; bracts 
lance-linear, about equal to the calyx. 
uralen"sif!, (r-w. ) stemless, villose, or 
silky ; leafets lance-oblong ; scapes longer 
than the leaves, scape and calyx hirsute- 
woolly; small heads many-fluwered, ovate ; 
flowers spreading ; lower bracts longer 
than the calyx. 
compes"tri.s, (y.) stemless ; leafets many- 
paired, lanceolate, silky ; scape often de- 
cumbent, sub-equal to the leaves ; spikes 
capitate or elongated ; bracts a little shorter 
than the calyx ; legumes erect, ovale, in- 
flated, pubescent ; flowers erect. 
PACHYSAN"DRA. 19—4. iEuphorhim.) [From 
pachus, thick, clumsy, and aner (andros), sta- 
men.] 
procnm"bem, (g-w. J. 2^.) stem procum 
bent ; leaves short, oval, crenate-toothed 
above ; calyx minute-ciliate ; capsule finely 
pubescent. S. 
PiEO'NIA. 12—3. (Papaveracea.) [From 
PtcoM, who is said to have tirst applied it to 
medicinnl purposes.] 
qfficina'lis, (peony, r. J. 11.) leaves de- 
compound ; leafets lobed, lobes broad-lan- 
ceolate; capsules downy. Ex. 
brown"ii, (r-p. J. .Tu.) carpels 5, oblong, 
very glabrous, erect ; leaves smooth on both 
sides, somewhat glaucous, biternate ; leaf- 
ets ternately divided or pinnatifid, laciniate ; 
lacinia oblong, those of the lower leaves 
obtuse. 
califo'/'nica, (Mar. A. r.) carpels 3, gla- 
brous ; leaves smooth on both sides, ternate; 
leafets broadly cuneate, nearly twice 3- 
cleft ; lacinia oblong-lanceolate, acute. Up- 
per California. 
Pa'NAX. 5—2. {Aralia.) [From pan, all, 
and akos, medicine, on account of its great 
virtues.] 
qninquefo'lia, (ginseng, w. M. IX) root 
fusiform ; leaves ternate, or quinate ; leaf- 
ets oval, acuminate, petioled-serrate. 1-2 f. 
trifo'lium, (dwarf ginseng,) root tuberous, 
roundi.sh ; stem simple, smooth ; leaves ter- 
nate ; leafets sub-sessile, lance-oblong, ser- 
rate ; styles often 3 ; berry 3-seeded. 
Woods. 4-6 i. 
hor"ridurn, frutico.se, somewhat creeping, 
aculeate; leaves palmate-lobed, gash-ser- 
rate ; umbels capitate, racemed ; 2 styles, 
2 seeds. 10-12 f. 
PANCRA'TIUM. 6—1. {Narcissi.) [From 
pan, all, and /:ra?fO, to^ conquer; supposed by 
the ancients to have been a powerful medi 
cine.] 
mexicafnum, (w. M. 2/.) spatha about 2- 
flowered ; leaves lance-oblong ; 6 teeth of 
the nectary bearing stamens, 6 simple. 
18-24 i. S. 
mariti'mnm, (w. .Ta. 11.) spatha many- 
flowered; leaves linear-lanceolate; nectary 
funnel-form, with 12 teeth not bearing sta- 
mens. 12-18 i. S. 
rota'tum, (w. Ju. 11.) spatha many-flow- 
1 ered ; leaves linear-lanceolate ; nectary 
salver-form, tubular below, with 6 stamens 
bearing teetli, intermediate one gasb- 
toothed ; stamens twice as long as the nec- 
tary. Splendid lily-like bulbous plants. S. 
