so ASTRAGALUS -AZALEA. 



{setioles naked ; stem very branching, glabrous; branchlets pilose; calya 

 ax, sub-imbricate. 3 4 f. Flowers smallish, numerous. 



cordifo'lius, (w. S. %..) leaves heart-form, pilose beneath, sharp-serralc, peti- 

 oled ; petioles winged; stem panicled, smoothish; panicles divaricate; 

 calyx lax, sub-imbricate. Flowers small. 



coryvibo'sus, (w. Au. '2J-.) leaves ovate, sharp-serrate, acuminate, smoothish; 

 lower one heart-form, petioled ; petioles naked ; stem glabrous, leve -top- 

 corymbed above ; branches pilose ; calyx oblong, imbricate ; scales obtuse, 

 very close-pressed. 12-14 i. Flowers rather la'rge. 



C. Leaves lanceolate and ovate, lower ones serrate. 



amplexicau'lis, (b. S. %.) leaves ovate-oblong, acute, clasping, heart-form, 

 serrate, glabrous; stem panicled, glabrous; branchlets 1-2-flowered; scales 

 of the calyx lanceolate, closely imbricate. Flowers middle sized. 



versic"olor, (y-w. Au. %.) leaves sub-clasping, broad-lanceolate, sub-serrate, 

 glabrous; radical ones serrate in the middle ; stem very branching, glab 

 rous ; scales of the calyx lanceolate, lax, shorter than the disk. Flowers 

 many and large, elegant. 



tardiflo'rus, (b. Oct. %..) leaves sessile, serrate, glabrous, spatulate-lanceolate, 

 tapering to the base, deflected at the margin and both sides ; branches di 

 varicate; calyx lax, the leafets lanceolate-linear, sub-equal, glabrous. 

 Flowers not middle size. 



cojiyzo'ides, (w. Ju. '2J..) leaves oblong, 3-nerved, narrow and acute at the base; 

 upper ones se.ssile, sub-entire; lower ones petioled, serrate; stem simple, 

 corymbed at the top; calyx cylindric, scurfy; rays 5, very short. About 

 12 inches high ; flowers small. 



carolinia'nus, (p. Oc. %..) stem shrubby, flexous, much branched, pubescent ; 

 leaves sessile, oblong-lanceolate, tapering at each end ; scales of the calyx 

 lance-linear, very pubescent, sub-squarrose. 10-12 f. S. 



chinen"sis, (china aster, ©.) leaves ovate, thickly toothed, petioled ; cauline 

 ones sessile, at the base wedge-form ; floral ones lanceolate, entire ; stem 

 hispid ; branches 1-flowered ; calyx foliaceous. A variety has very full 

 flowers ; various coloured, and very short rays. Ex. 



ASTRAGALUS. 16 — 10. {Leguminosm.) [A Greek word, signifying a leguminous plant.] 

 canaden"sis, (J. y. %.) caulescent, diffuse ; leafets 10-12 pairs, with an odd 



one, smooth on both sides ; legume sub-cylindrical, mucronate. Barren 



fields. 2f. 

 glaiui, (milk vetch, ©.) caulescent, the little heads peduncled, imbricate, 



ovate ; flowers erect ; legume ovate, callous, inflated. Ex. 

 de^re5"5w.5, (trailing vetch, l^.) sub-caulescent, procumbent; leafets obovate ; 



raceme shorter than the petiole ; legume terete, lanceolate, reflexed. Ex. 

 ATRIPLEX. 5—2. {Atriplices.) [Latin, signifying dark.] 

 horten" sis, (garden-orach, Ju. ©.) stem erect, herbaceous; leaves triangular, 



dentate, green on both sides; calyx of the fruit ovate, reticulate, entire; 



flowers in racemes or spikes. Waste places. Flowers green. 3-4 f. 



ATROPA. 5 — 1. (Solanea.) [From Atropos, the goddess of destiny, in allusion lo it.« fatal 

 efTects.] 

 phijsalo'ides, (w. b. Ju. 0.) stem very branching; calyx 5-angled, reticulate; 



berry fleshy, covered with the calyx ; leaves sinuate-angled. 

 belladon"na, (deadly night-shade, w. y. 11-.) stem herbaceous ; leaves ovate. 



entire. 

 AVENA. 3 — 2. (Graminece.) [From the Latin aveo, to covet, a favourite of cattle.] 

 pre'cox, (dwarf oats, J. ©.) panicle oblong, in a dense raceme ; florets as long 



as the glumes ; awn exserted ; leaves setaceous. Sandy fields. 

 steri'lis, (animated oats, Ju. ©.) panicled; calyx about 5-flowered; florets 



hairy, the middle ones awnless. The heads are set in motion, when moist- 

 ened, by the untwisting of the awns. Ex. 

 sati'va, (oats, J. ©.) panicled; 2-seeded; seeds smooth, one of them awned. 



First discovered in the island of Juan Fernandez. A variety is awnless, 



and has black seeds. Ex. 



AZALEA. 5—1. (lihododendra.) [From aza/eos, dry, growing in dry soil.] 

 nudiflo'ra, (early honeysuckle, r. M. I^.) sub-naked-flowered ; leaves lanceo 



