386 
ASTRAGALUS— AZALEA. 
squarr&suA, (b-y. S. If.) leaves very nu- 1 
merous, sessile, ovate, acute, reflexed, ri- 
gid, margin hispid; stem branching, hairy ; 
branches 1-flov/ered ; scales of the involu- 
cre lanceolate, hairy, loose. 2 f. (S. 
sca'hcr, (p. y. S. 11 ■) 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. ib'. 
ohova'tns, (w. y. M. 2/.) leaves sessile, 
oval or obovate, obtuse, sub-rugose, very- 
pubescent ; corymb paniculate ; scales of 
the involucre clo.sely imbricate. 3 f. S. 
ASTRAC'ALUS. 16—10. (Leguminosa:.) [A 
Greek word, signifying a leguminous plant.] 
canaden"sis, ^J, y. IX) caulescent, diffuse ; 
leafets 10-12 pairs, with an odd one, smooth 
on both sides ; legume sub-cylindrical, mu- 
cronate. Barren fields. 2 f. 
glaux, (milk vetch, %) caulescent, the 
little heads peduncled, imbricate, ovate ; 
flowers erect; legume ovate, callous, in- 
flated. Ex. 
depres"sns, (trailing vetch, ^.) sub-caul- 
escent, procumbent ; leafets obovate ; ra- 
ceme shorter than the petiole; legume 
terete, lanceolate, reflexed. Ex. 
ASTRO'PHIA. 16—10. (Leguminosas.) 
littora'lh, [IX.) silky, pubescent ; racemes 
about 5-flowered ; leaves pinnate, small ; 
leafets in 2 or 3 pairs, linear-spatulate ; seeds 
globose, brown. 
ATRI'PLEX. 5—2. (Atriplices.) [Latin, sig- 
nifying dark.] 
hortenf'sis, (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. (Solanece.) iFroxn Atropos, 
the goddess of destiny, in allusion to its 
fatal effects.] 
physalo'ides, (w. b. Ju. 0.] stem very- 
branching ; calyx 5-angled, reticulate ; ber- 
ry fleshy, covered with the calyx ; leaves 
sinuate angled. 
helladon" na, (deadly night-shade, w. y. 
2/.) stem herbaceous ; leaves ovate, entire. 
AVE'NA. 3-2, (Grnminea:.) [From the 
Latin aveo, to covet, a favorite of cattle ] 
pne'cox, (dwarf oats, J. 1^.) panicle ob- 
long, in a dense raceme ; florets as long as 
iiie glunies; awn exserted ; leaves seta- 
ceo as. Sandy fields. 
sfeWZ'"«s, (animated oats, Ju. @.) panicled; 
calyx about .5-flowered ; florets hairy, the 
middle ones awnless. The heads are set in 
motion, when moistened, by the untwisting 
of the awns. Ex. 
sati'va, (oats, J. 0.) panicled ; 2-seeded ; 
^^eds smooth, one of them awned. First 
ilscovered in the island of Juan Fernandez, 
i variety is awnless, and has black seeds. 
Ex. i 
I elat'ior, (J. IX-) panicle Gub-coutracted, 
nodding ; glume 2-flowered ; florets per- 
feet, sub-awnless, staminate awued ; culm 
geniculate, glabi-oup ; root creeping. In- 
troduced. 
AVICEN"N1A. 13—2. (Polemonia.) [After 
ail Arabic physician of repute.] 
tomeiLto'sia, (mangle, ^ .) flowers in sub- 
sessile clusters ; leaves oblong, obtuse, to 
mentose beneath. 20 f. 5. 
AZA'LEA. 5—1. iRhododenira.) [From 
azakos, dry, growing in dry soil.] 
rmdljlo'ra, (early honeysuckle, r. M. ^ .) 
sub-naked-flowered ; 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 calj.'x 
short, oval, sub-roiuided ; stamens very much 
exsert. A variety, coccin"ea, has scarlet 
flowers and minute calyx ; Ki\o\hQT,car"uea, 
has pale red flowers, with red bases and 
leafy calyx ; another, «Z''7;o', has white flow- 
ers, with a middling calyx ; another, papili- 
ona'cea, has red flowers, with the lower 
divisions white, calyx leafj' ; another, par- 
ti'ta,\\^ flesh-couii-ed flowers, 5-parted to 
the base ; :uiotlier,/;o/^«//'<^7-««,has rose- col 
ored flowers, with from 10 to 20 stamens 
Woods. 2-6 f. 
visco'sa, (white honeysuckle, w. J. 
leafy ; branches hispid ; leaves oblong-obo- 
vatc, acute, glabrous, and one-colored ; 
flowers viscous, tube twice as long as the 
divisions ; teeth of the calyx vei-y short, 
I'ounded ; flowers very sweet-scented. 
prociivi"betis, (Ju. r) . r.) stems diffusely 
procumbent ; leaves opposite, elliptical, 
glabrous, revolute on the margins ; corolla 
bell-form, glabrous ; filaments enclosed, 
equal. High mountains. Noi'thern. Flow- 
ers small, in small terminal umbels or co- 
lymbs. 3-4 i. 
canes" cena, (r. J. ^.) sub-naked-flow 
ered ; leaves obovate oblong, pubescent on 
the upper side, and downy beneath, nerves 
not bristle-bearing ; flowers not viscous ; 
tube of the corolla scarcely shorter than its 
divisions; teeth of the calyx very short, 
round obtuse ; stamens scarcely exsert. 
Catskill mountains. 
arbores"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 exsert. 15 f. 
nifida, (swamp honeysuckle, w. J 
leafy-flowered ; branches smoothish ; leaves 
few, oblanceolate, sub-mucronate, leatheiy, 
glabrous both .sides, and the upper side shi- 
ning, nerve bristle bearing beneath, mar- 
gill revolute-ciliate ; flowers vi.scous ; tube 
somewhat longer than the divisions ; calyx 
very short; filaments exsert; leaves dark 
green. Swamps. 
glaii'ca, (fragrant honeysuckle; w. J. ^ .) 
leafy-flowered ; branches hispid ; leaves 
oblanceolate, acute, both sides glfbrous and 
