80 



ASTRAGALUS—AZALEA. 



squarro'sus, (b-y. S. 2^.) leaves very nu- 

 merous, sessile, ovate, acute, reflexed, ri- 

 gid, margin hispid ; stem branching, hairy ; 

 branches 1-flowered ; scales of the involu- 

 cre lanceolate, hairy, loose. 2 f. S. 



sca'bcr, (p. y. S. If.) lower leaves peti- 

 oled, oblong-, cordate, acute, entire ; upper 

 ones sessile, clasping, lance ovate, tapering 

 to an acute point ; all the leaves scabrous, 

 undulate ; panicle loose, long ; the branches 

 racemose. 3 f. S. 



ohova'tus, (w. y. M. IX) leaves sessile, 

 oval or obovate, obtuse, sub-rugose, very 

 pubescent ; coi'ymb paniculate ; scales of 

 the involucre closely imbricate. 3 f. /?. 

 ASTRACALUS. 16—10. {Leguminosa:.) [A 



Greek word, signifying a leguminous plant.] 



canaden"sis, {S. y. 11 ■) caulescent, diffuse ; 

 leafets 10-12 pairs, with an odd one, smooth 

 on both sides ; legume sub-cylindrical, mu- 

 cronate. Barren fields. 2 f. 



glanx, (milk vetch, 0.) caulescent, the 

 little heads peduncled, imbricate, ovate ; 

 flowers erect ; legume ovate, callous, in- 

 flated. Ex. 



depres"sus, (trailing vetch, ^.) sub-caul- 

 escent, procumbent ; leafets obovate ; ra- 

 ceme shorter than the petiole ; legume 

 terete, lanceolate, reflexed. Ex. 

 ASTRO'PiriA. f6— 10. (LrguminoscB.) 



littora'Us, (ZX-) silky, pubescent ; racemes 

 about .'i-flowered ; leaves pinnate, small ; 

 leafets m 2 or 3 pairs, linear-spatulate ; seeds 

 globose, brown. 

 ATRI'PLEX. 5—2. {Atripliccs.) [Latin, sig- 



nifying dark.] 



horten"»is, (garden orache, Ju. 0.) stem 

 erect, herbaceous ; leaves triangular, den- 

 tate, green on both sides ; calyx of the 

 fruit ovate, reticulate, entire ; flowers in 

 racemes or spikes. Waste places. Flow^- 

 ers green. 3-4 f. 



lacinia'ta, (^.) stem erect, herbaceous; 

 leaves triangular, deep-toothed, white be- 

 neath ; calyx of the fruit rhomboid, 3-ner- 

 ved, denticulate. 

 ATRO'PA. 5—1. {Solanea.) \?xom Atrojyos, 



the goddess of destiny, in allusion to its 



fatal efTects.] 



physalo'ldes, (w. b. Ju. 0.] stem very 

 branching ; calyx 5-angled, reticulate ; ber- 

 ry fleshy, covered with the calyx ; leaves 

 smuateangled. 



heIlado)i"na, (deadly night-shade, w. y. 

 a.-) stem herbaceous ; leaves ovate, entire. 



AVE'NA. 3—2. (Graminea:.) [From the 

 Latin avoo, to covet, a favorite of cattle.] 

 prcB'cox, (dwarf oats, J. 0.) panicle ob- 

 long, m a dense raceme ; florets as lozig as 

 Uie glumes ; awn exsertcd ; leaves eeta- 

 ceo as. Sandy fields. 



s^e;-?T2S, (animated oats, Ju. ^.) panicled; 

 calyx about 5-flowered ; florets hairy, the 

 middle ones awnle.ss. The heads are set in 

 motion, when moistened, by the untwisting 

 of the awns. Ex. 



sati'va, (oats, J. @.) panicled; 2-seeded; 

 iieds smooth, one of them awned. First 

 discovered in the i.sland of Juan Fernandez. 

 . i. variety is awnlcss, and has black seeds. 



f:x. 



elat'ior, (J. li-) panicle Gub-contractea, 

 nodding ; glume 2-flowered ; florets per- 

 fect, sub-awnless, staminate awned ; culm 

 geniculate, glabroup ; root creeping. In- 

 troduced. 

 AV1CEN"NIA. 13—2. (PoJemonia.) [After 



an Arabic physician of repute.] 



tomento'sa, (mangle, T? .) flowers in sub- 

 ses.sile clusters ; leaves oblong, obtuse, to- 

 mento.sc beneath. • 20 f. S. 

 AZA'LEA. 5—1. (Rhododendra.) [From 



azahos, dry, growing in dry soil.] 



nudijlo'ra, (early honeysuckle, r, M. ^ .) 

 sul)-naked-flo\vered ; leaves lanceolate-ob- 

 long, or oval, smooth or pubescent, uniform- 

 colored, nerves on the upper side downy, 

 and beneath bristly, margin ciliate ; flow- 

 ers abundant, not viscous, their tubes longer 

 than their divisions ; teeth of the calyx 

 short, oval, sub-rounded ; stamens very much 

 exsert. A variety, coccin"ea,hd,s scarlet 

 flowers and minute calyx ; another, rar"«ea. 

 has pale red flowers, \vith red bases and 

 leafy calyx ; another, aZ'^Z/a, has white flow- 

 ers, \sdth a middling calyx ; another, papili- 

 ona'cea, has red flowers, with the lov/er 

 divisions white, calyx leafy ; another, par 

 fi'ta,ha.s flesh-colored flowers, 5-parted tc 

 the base ; another, /?o/?//7/i"J77a, has rose-col 

 ored flowers, with from 10 to 20 stamens 

 Woods. 2-G f. 



visco'sa, (white honeysuckle, w. J. ^.) 

 leafy ; branches hi.^pid ; leaves oblong-obo- 

 vate, acute, glabrou.s, and one-colored ; 

 flovs'ers viscous, tube tNvice as long as the 

 divisions ; teeth of the calj^x very short, 

 rounded ; flowers very sweet-scented. 



procuvi"hens, (Ju. 9. r.) stems diffusely 

 procumbent ; leaves opposite, elliptical, 

 glabrous, revolute on the margins ; corolla 

 bell-form, glabrous ; filaments enclosed, 

 equal. High mountains. Northern. Flow- 

 ers small, in small temiinal umbels or co- 

 rymbs. 3-4 i, 



canes" ceiiA, (r. J. 'fj.) sub-naked-flow 

 ercd ; leaves obovate-oblong, pubescent on 

 the upper side, and downy beneath, nerves 

 not bri.stle-bearing ; flovv-ers not viscous; 

 tube of the corolla scarcely shorter than its 

 divisions; teeth of the calyx veiy short, 

 round obtuse; stamens scarcely exsert. 

 Catskill mountains. 



arhores" cens, (r. ^ .) flowers leafy ; leaves 

 obovate, sub-obtuse, smooth both sides, 

 glaucous beneath, ciliate on the margin, 

 nerve almost smooth ; flowers not viscous ; 

 tubes longer than the segments; calyx 

 leafy, with oblong-acute segments; fila- 

 ments ex.sert. 15 f. 



nW'ida, (swamp honeysuckle, w. J. ^.) 

 leafy-flowered ; branches smoothish ; leaves 

 few, oblanceolate, sub-mucronate, leatheiy, 

 glabrous both sides, and the itpper side shi- 

 ning, nerve bristle-bearing beneath, mar- 

 gin rcvolute-ciliate ; flowers viscous ; tube 

 somewhat longer than the divisions ; calyx 

 veiy short; filaments exsert; leaves dark 

 green. Swamps. 



glari'ca, (fragrant honeysuckle, w. J. ^ .) 

 leafy-flowered ; branches liispid ; leaves 

 oblanceolate, acute, both sides glabrous, imd 



