186 



VlllGILlA— X^LOSTEUM 



tire, membranaceous, oblong, sub-ovate or 

 lance-ovate ; leaves broad-cordate, acumi- 

 nate, serrate, sliqbtly pubepcent on the 

 nerves, lower ones long-petioled ; peduncle 

 eomewliat 4-sided ; bracts subulate ; Ho\v- 

 ei-s regular, large ; segments of tbe caljTC 

 subulate, acute, entire behind ; petals white, 

 very entire, veiny, becoming yellow at the 

 base, lower ones pale violet, upper ones 

 broad, spreading, lateral ones bearded, with 

 the upper one" marked with a few blue 

 lines; stigma short, pubescent; spur very 

 short; llowers odorous. 6-24 i. Moist. 

 Rocky woods. 



C. Exotic, 

 tri'color, (garden-violet, heart's-ease, pan- 

 sy, p. y. b-p. M. 2^.) stem angular, diffuse, 

 divided ; leaves oblong, deeply crenate ; 

 stipules lyrate-pinnatifid. 



odora'ta, (sweet- violet, b. M. ^.) stem- 

 less ; scions creeping ; leaves cordate, cre- 

 nate. smoothi-sh ; calyx obtuse ; two lateral 

 petals with a bearded or hairy line. 

 VIRGIL"IA. 10 — 1. ^Leguminosas.) [In honor 

 of the poet Virgil.] 



lute' a, (y. J. ^.) leaves pinnate; leafets 

 alternate, ovate, short, acuminate, glabrous ; 

 racemes elongated, pendulous; legumes 

 petioled, flat. The bark is used in dying 

 yellow. S. 



VIS" CUM. 20—4. (CarrifoUcE.) [From the 

 Greek ixos, altered by the ^olians into bis- 

 kos. The Greeks had a great veneration for 

 this plant on account of its supposed medi- 

 cal virtues, and the Druids ascribed to it 

 n)any miraculous powers.] 

 ru'brnm, ( fp.) leaves lance-obovate, ob- 

 tuse ; spikes axillaiy, whorled. S. 



pnrpy,'reym, ( ^ .) leaves obovate, obtuse, 

 obsoletely 3-nerved ; spikes axillary ; flow- 

 ers opposite. S. 



vert icilla' turn, (mistletoe, g. w. J. 2^.) 

 branches opposite and whorled ; leaves 

 wedge-obovate, 3 nerved; spikes axillary, 

 a little shorter than the leaves ; hemes yel- 

 loNvish white. On the branches of old 

 trees. 

 VI'TIS. 5-1. {Viiices.) 



lahrus" ca , (plum-grape, w-g. J. '^j .) leaves 

 broad-cordate, lobe angled, white-downy 



beneath ; 



racemes small ; berries 



(blue, flesh -color, and green) large. Var. 

 ^aZ^rHsco^'^^6t. (fox -grape), has smaller fruit, 

 approaching a tart taste. 



vvlpi'na, (frost-grape, g-w. J. Tp .) leaves 

 cordate, acuminate, gash-toothed, glabrous 

 both sides ; racemes lax, many flowered ; 

 berries small ; leaves very variable, but the 

 uppermost mature leaves w^ill agree with 

 the de.scription. 



oesti'vaiis, (summer-grape, J. '^.) leaves 

 3-5 lobed, younger ones rust-dow^ny be- 

 neath, when old nearly smooth ; sinuses 

 rounded ; racemes opposite the leaves, 

 crowded, oblong ; beiTies deep-blue or pur- 

 ple. Woods, on banks of streams. 



ripa'ria, (w-g. M. ^.) leaves unequally 

 incisely toothed, shortly S-lobed, pubescent 

 on the petioles, margins, and nerves ; flow- 

 ers sweet-scented. 



hipitma'ta, (g-w. Ju.) leaves bipinnate. 

 glabrous ; leafets incisely serrate ; flowers 



pentandrous ; berry 2-celled ; cells l-!i 

 seeded. S. 



itidi'visa, (.T. 2X-) leaves simple, cordate 

 or truncate at base, somew^hat 3-ner\'ed, pu- 

 bescent on the nerves beneath ; flowers 

 pentandrous and pentapetalous ; berry 

 1-celled, 1-2 seeded. Swamps. 



?'/«?/■'<??•«, (wine-grape, J. Tp.) leaves sin 

 uate-lobed, naked or downy. Ex. 



WARE'A. 14—2. (CrucifercE.) 



cuneifo'lia, fw.) leaves nearly ses-sile, ra- 

 ther thick, oblong, obtuse, attenuate at the 

 base ; siliques •with the valves somewhat 

 convex. 1-2 f Georgia and Florida. 



amplexifo'lia, (p. %.) silique two-edged, 

 pendulous ; leaves oblong-ovate, half-clasp- 

 ing. 1 f. S. 



XAN"THIUM. 19—5. (Corymbifera.) [From 



xanthos, yellow, a color said to be produced 



by the plant.] 



stnivia'riiim, (cockle-burr, sea-burdock, 

 Au. @.) stem unarmed ; leaves ovate, an- 

 gulate-dentate, sub-cordate, and strongly 

 3 nerved at base ; fruit oval, pubescent, 

 armed with rigid, hooked bristles. 3-6 f 



Rpino's7im, (thorny clot-weed, S. ^., 

 .spines ternate ; leaves 3 lobed ; flowers ax- 

 illary, solitary. 2-4 f. 



XANTHOX"YLUM. 20-5. (Terebintaceat.) 

 [From xanlhos, yellow, and rulon, wood, al- 

 luding to its color.] 



fraxin"enm, (prickly ash, tooth-ache bush, 

 g-w. M. >) .) prickly ; leaves pinnate ; leafets 

 lance-oval, sub-entire, equal at base ; peti- 

 oles terete, unarmed; umbels axillary. 

 8-12 f. The bai-k is pungent, and is used 

 for medicinal purposes. 



tricar"pn7n, (J. ^ .) leaves glabrous, pin- 

 nate ; leafets petioled. falcate-lanceolate, 

 crenate-sen-ate ; petioles unarmed ; flowers 

 bearing petals ; capsules mostly in threes ; 

 leaves very aromatic and pungent. 



XANTHORHl'ZA. 5—12. (Ranunculacem ) 

 [From xanthos, yellow, and riza, root.] 

 apiifo'lla (parsley yellow-root, Ap. 1?.) 

 leaves 3 -ternate ; petioles dilated and clasp- 

 ing at the base; flowers racemed. 1-3 f 

 Banks of streams. 



XEROPHYL"LUM. 6-3. {Junci.) 



asphodeloi'des, (w. J. 2/.) filaments dilated 

 toward the base, and equalling the corolla; 

 racemes oblong, crowded ; bracts setace- 

 ous ; scape leafy ; leaves .subulate, 3-5 f 



te'nax, (w. J. 2^.) scape leafy; racemes 

 lax; bracts membranaceous; petals ellip- 

 tic ; filaments filiform, exceeding the corolla; 

 leaves subulate-setaceous, very long. S. 



XYLOS"TEUM. 5—1. (Caprifolias.) 



cilin'tum, (fly-honeysuckle, twin berr\-, 

 w-y. M. Tp .) berries distinct ; leaves ovate 

 and sub cordate, margin ciliate, in the 

 young state villose beneath ; corolla a little 

 calcarate at the base, tube ventricose 

 above, divisions short, acute ; style exsert. 

 3-4 f. 



sulo'nis, (swamp twin-beny, y. M. ^ ) 

 berries united in one, bi-umbilicate (nevei 

 distinct), two flowers .situated on one germ; 

 leaves oblong-ovate, villose. Berries dark 

 purple. 2 f. 



