AUALIA-ARTEMISIA, 
77 
AKALIA. 5—5. (AralicB.') [From ara, a bank in the sea, in allusion to the habit of the plant.] 
mcemo'sa, (spikenard, O. w. J. %.) spreading branches ; petioles 3-parted, the 
partitions 3-5-leaved ; leafets often heart-form ; branchlets axillary, leafy ; 
umbels many, sub-panicled, leafless above. Damp. 4 f. 
nudicaulis, (g-w. J. %.) stem hardly a caulis; leaf solitary, terquinate ; scape 
shorter than the leaf; umbels few. Wild sarsapariUa. 15 i. S. 
ARBUTUS. 10—1. (Erica.} 
uva-iir'^si, (bear-berry, kinnikinnick, w-r. M. Tj.) stem procumbent ; leaves 
wedge-obovate, entire ; berry 5-seeded. Dry, barren sand-plains, &c. Very 
abundant about the great lakes. 
ARCTIUM. 17—1. (Cinarocephalm.) [From arktos, a bear, so called on accomit of its rough- 
ness.] 
lap^'pa, (burdock, r. Au. %.) cauline leaves heart-form, petioled, toothed; 
flowers panicled, globose ; calyx smooth. 
ARENARIA. 10—3. {Caryophyllece..') [From arena, sand.] 
laterijior"a, (sand-wort, w, J. %..) stem filiform, simple ; leaves ovate, obtuse, 
sub-triple-nerved ; peduncles lateral, solitary, elongated, 2-cleft; one pedi- 
cel middle-bracted ; corolla longer than the calyx. 6-10 i. 
glabra, {%.) very smooth ; stems numerous, erect, filiform ; leaves subulate, 
linear, flat, spreading ; pedicels 1-flowered, elongated, divaricate; sepals 
ovate, obtuse shorter than the petals. Mountains. Flowers large, white. 
Stem 4-6 inches, high, erect, slender. 
ARETHUSA. 1&-1. (OrchidecB.} 
bulbo'sa, (arethusa, r. J. %.) leafless ; root globose ; scape sheathed, 1-flower- 
ed ; calyx with the superior divisions incurved ; lip sub-crenulate. Flow- 
ers large, sweet-scented. Damp. 
ABGEMONE 12—1. (PapaveracecB.) 
mecricana, (y. Ju. ©.) leaves pinnatifid, spinose, gashed ; flowers axillary. 
Var. albijlora. S. 
ARISTOLOCHIA. 18—6. (Aristolochim.} 
serpenta'ria, J. %.) leaves heart-form, oblong, acuminate; stem zigzag, 
.ascending; peduncles radical; lips , of the corolla lanceolate. The Vir- 
ginia snake-root. There is a variety with very long, narrow leaves. 
ARMENIACA. 11—1. (RosaceeB.) [From Armenia.] 
vulga'Hs, (apricot, T2.) leaves sub-cordate ; stipules palmate. Var. precox, 
early apricot. Fruit small, yellow. Var, ^?em"c(?z«^es, peach apricot. Fruit 
sub-compressed. 
ARNICA. 17—2. (CorymbifercB.) 
nudicantis, (y. J. Ju. %.) hirsute; radical leaves opposite, decussate, broad- 
lanceolate, nerved, and toothed; stem nearly leafless, divided near the sura- 
rait into a few 1-flowered branches. Flowers large. 2-3 f. Pine barrens. 
Leopard's bane. 
ARONIA. 11 — 5. (.RosacecB.) [A Greek word, signifying the medlar-tree.] 
botrya'pium, (shad-bush, jime-berry, w. Ap. 'Zj..) leaves oblong-oval, cuspidate, 
glabrous when mature, (when first expanded, lanceolate and downy ;) flow- 
ers racemed ; petals linear ; germs pubescent ; segments of the calyx glab- 
rous. 
arbutifolia, unarmed ; leaves ovate-oblong, acute ; serrulate, tomentose be- 
neath ; flowers in corymbs ; calyx tomentose. Low thickets. May. Shrub. 
2-4 f. Red choke-berry. 
ova'lis, leaves roundish-elliptical, ovate, smooth ; flowers in racemes ; petals 
obovate ; germs and segments of the calyx pubescent. Swamps. A small 
shrub ; berries black and eatable. Medlar bush. 
ARTEMISIA.* 17—2. (Corymbifercn.) [From an ancient queen of that name.] 
pomf'tica, (Roman artemisia,) leaves downy beneath ; cauline ones bipinnate ; 
leafets linear ; branches simple ; flowers roundish, peduncled, nodding. Ex. 
• The cultivated plant often called Artemisia, belongs to the genus Chrysanthemum. 
