OSTRYA— PANCRATIUM. 



135 



barren frond doubly pinnatifid ; BCgroents 

 oval, entire ; fertile fronds with opposite 

 racemes, woolly. 3-6 f. 



clnyfo'nia'na, [li.) fronds pinnate, bear- 

 mg fruit at the summit, pinnatc-pinnatifid, 

 navins^ small dense masses of fiilvous down 

 at their origin. 20-30 i. 



re^a'lis, (r-y. J. 2^.) frond bipinnate, ter- 

 aiinal in several racemes, veiy branching, 

 jvithout hairs. Wet. 



DS"TRYA. 19—12. (Amcntacett.) [From 

 056071, a bone, on account of its hardness.] 

 virgin"ica, (iron-wood, hop-hornbeam, g. 

 M. ^ .) leaves alternate, ovate-oblong, sub- 

 tordate. acuminate, unequally seirate ; stro- 

 oilums oblong-ovate. A small tree, with 

 very hard and heavy wood. Fertile flow- 

 ers enlarged into a sort of oblong cone, re- 

 sembling the common hop. Woods. Can. 

 to Car. 



OXA'LIS. 10—5. (Gerania.) [From oxus, 



sour, on account of the juice.] 



acetoseVla, (^vood-sorrel, w. r. M. 2^.) 

 stemless ; scape 1-flovvered, longer than the 

 leaves ; leaves ternate, broad obcordate, 

 with rounded lobes ; styles as long as the 

 inner stamens ; root dentate. 



viola' cea, (violet wood-sorrel, p. J. 2/.) 

 stemless ; scape umbelliferous, 3-9 flowered; 

 flowers nodding ; leaves ternate, obcordate, 

 smooth ; styles shorter than the outer sta- 

 mens. Scape 4-6 i. Rocky woods. 



strid'ta, (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 ulterior 

 stamens ; leaves ternate, obcordate. 



OXYCOC'CUS. 8—1. (Ericea.) [From oxus, 



sour, and coccus, a berry.] 



macrocar''pu!>, (cranberry, r. J! ^ .) 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. 



palus"tns, (J. ^ .) divisions of the corolla 

 ovate ; beiTies purple, smaller than the pre- 

 ceding. Alpine bogs. 



erythrocar''pus, (J. ^.) erect ; leaves oval, 

 aeuminate, 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. (PohjgoneiB.) [From oxus, 



acid, alluding to the leaves.] 



ren?for"mis, (.1. 2^.) outer sepals oblong, 

 half the length of the imier obovate valves ; 

 radical leaves reuiform, long-petioled ; sta- 

 mens 2 ; Styles 2. 2-3 i. 



OXYTRO'PIS. 16 — 10. (Lc^uminosa:.) 



lamber"li. (p. Ju. 1(.) stemless, silky- 

 pilose ; leafets numerous, oblong, acute 

 at each end ; scapo about equal to the 



leaves ; spikes oblong, capitate ; bracts 

 lance -linear, about equal to the calyx. 

 _ 7iralen"sis, (r-w. ) stemle.^is, villore, or 

 silky ; leafeLs lance-oblong ; scapes longer 

 than the leave.s, scape and calyx hirsute- 

 woolly; .small heads many-flowered, ovate ; 

 flowers spreading ; lower bracts longer 

 than the calyx. 



cnmpes"tris, (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, ovate, in- 

 flated, pubescent ; flowers erect. 



PACnYSAN"DRA. 19—4. (Euphorbim.) [From 

 pachus, thick, clumsy, and aner (andros), sta- 

 men.] 

 procum"hens, (g-w. J. 2^.) stem procum 



bent ; leaves short, oval, crenate-toothed 



above ; calyx minuteciliate ; capsule finely 



pube-scent. S. 



P^O'NIA. 12—3. (Papaveracece.) [From 



PcEon, who is said to have lirst applied it to 



medicinal purposes.] 



officina'Us, (peony, r. J. 2X-) leaves de- 

 compound ; leafets lobed, lobes broad-lan- 

 ceolate; capsules downy. Ex. 



hroion"ii, (r-p. J. Ju.) carpels 5, oblong, 

 very glabrous, erect; leaves smooth on both 

 sides, somewhat glaucous, biternate ; leaf- 

 ets lernately divided or pinnatifid, laciniate ; 

 lacinia oblong, those of the lower leaves 

 obtuse. 



calif or" 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. (AralicE.) [From pan, all, 



and akos, medicine, on account of its great 



virtues.] 



quiuquefo'lia, (ginseng, w. M. 2^.) root 

 fusiform ; leaves ternate, or quinate ; leaf- 

 ets oval, acuminate, petioled-serrate. 1-2 f. 



trifo'liam, (dwarf ginseng,) root tuberous, 

 roundish ; stem simple, smooth ; leaves ter- 

 nate ; leafets sub-sessile, lance-oblong, ser- 

 rate ; styles often 3 ; berry 3 seeded. 

 Wood.s. 4-6 i. 



ho/'ridiim, fruticose, somewhat creeping, 

 aculeate; leaves palmate-lobed, gash-.^er- 

 rate ; umbels capitate, racemed ; 2 styles, 

 2 seeds. 10-12 f. 



PANCRA'TIUM. 6—1. {Narcissi.) [From 

 pan, all, and ^-ra^eo, to^ conquer ; supposed by 

 the ancients to have been a powerful medi 

 cine.] 



mcxica'num, (w. M. 2^.) spatha about 2- 

 flowered ; leaves lance-oblong ; 6 teeth of 

 the nectary bearing stamens, 6 simple. 

 18-24 i. S. 



marili'mum, (w. .Ja- 2^.) spatha many 

 flowered; leaves iincar-lanceolato; nectary 

 funnel form, with 12 teeth not bearing sta- 

 mens. 12-18 i. -S^. 



rota'tum, (w. Ju. 2/.) spatha many-flow- 

 ered ; leaves linear lanceolate ; nectary 

 sajver-forni, tubular below, with 6 h:tanieu9 

 bearing teclli, intermediate one gash- 

 toothed ; staujens twice as long as the nec- 

 tary. Splendid lily like bulbous plants. S. 



