ARUM— ASCLEPIAS 
ahrota'num, (southern-wood, IX- a^'^ 
"J.) stem straight; lower leaves bipinnate ; 
upper ones hair-form, pinnate ; calyx pu- 
nescent, hemispheric. Ex. 
canade)t"iiis, (wild wormwood, w. y. Au. 
2X-) sub-decumbent, scarcely pubescent; 
leaves flat, hnear pinn.atifid ; branchlets 
spike flowered ; flowers sub-hemispheric ; 
hivolucre scarious. Receptacles smooth. 
3-4 f. 
canda'ta, (14..) stem simple, herbaceous, 
much branched, pyramidal ; radical and 
sauline leaves bipinnate, pubescent; up- 
per ones pinnate, with sub-setaceous, 
alternate, divaricate, somewhat convex 
segments ; flowers pedicelled, erect, globe- 
ovate. 2 f. 
A'RUM. 10—12. {AroidecE.) [From jaron, a 
Hebrew word, sig-nifying a dart, in allusion j 
to the shape of Uie leaves.] 
tfiphyl"lum, (Indian turnip, wild turnip, 
wakerobin, p. g. and w. M. sub-caules- 
cent; leaves ternate ; leafets ovate, acumi- 
nate ; spadix club-form; spatha ovale, acu- 
minate, peduncled, with the lamina as long 
as the spadix. One variety, mO-e/i-s, has a 
green spatha: another, otrop>irpu'reum,Si 
dark purple spatha: a.i\oihev,al"bum,2i.w\nX.e 
spatha. 1-3 f. 
dracon"tinm, (Ju. 2/.) stemless; leaves 
pedate ; leafets lanceolate-oblong, entire ; 
spadix subulate, longer tlian the oblong, 
convolute spatha. Banks of streams. 
Green -dragon. 
atroni/hem, (brown dragon, M. 2X-) .stem- 
less ; leaves ternate ; leafets ovate, acumi- 
nate ; spadix cylindrical ; spatha sessile, 
ovate, acuminate, spreading horizontally 
above. Spatha dark-brown : disagreeable 
smell. 
quina'tum, [11.) stemless ; leaves quinate, 
lanceolate, acuminate. S. 
waUe!ri, (Ap.) stemless ; leaves sagittate, 
triangular, angles divaricate, acute. S. 
ARUN"D0. 3—2. (Gramineee.) [Latin, sig- 
nifying reed.] 
canaden".<tis, (Au. 2.^.) panicle oblong, 
loose ; glumes scabrous, pubescent, as long 
as the corolla ; corolla awned on the back ; 
hairs at the base equalling the valves ; culm 
and leaves smooth. 3-4 f. 
pkragmi'tes, (reed-grass, Au. 2^.) spike- 
lets 3 to 5-flowered ; glumes .shorter than 
the florets ; paleas awnles.s, the lower lin- 
ear lanceolate, with a long slender acumi- 
nation, which is involute and resembles an 
awn. 
aroi'd£s, {2X-) panicle sub-coarctate, in- 
curved ; glumes 2-flowered, glabrous, une- 
qual ; paleas membranaceous, of the length 
of the glumes; hairs equalling the paleas; 
leaves flat, scabrous. S. 
AS"ARUM. 18—12. (Anstolochia.) [From 
a, not, suiro, to adorn, this flower not being 
admitted into the ancient coronal wreaths.] 
canadeiL"se, (white snake-root, wild gin- 
ger, g-p. M. lS-\ leaves broad-reniform, i-n 
pairs ; calyx woolly, deeply 3 parted ; the 
Begments sub-lanceolate, reflexed. 
m-ifo'liuw, (Mar. 11.) leaves sub-hastate. 
cordate; calyx urceolate, border 3-cleft 
converging, pubescent within. <S'. 
ASCl.E'PIAS. 18-5. Upocyne(B.) [Sup 
posed to have been named in honor of the 
founder of medical science, .Esculapius, or, 
as he is sometimes called in mvthologv 
Asclepois.] 
A. Leaven opposite. 
syri'aca, (common milkweed, w-p. Ju, 
11) stem very simple ; leaves lanceolate- 
oblong, gradually acute, downy beneath; 
umbels sub-noddii g, downy, 3 to 5 fePt 
high ; flowers in large close clusters, sweet- 
scented. 3-5 f. 
incarna'ta, (r. Ju. IX-) stem erect, branch- 
ing above, downy ; leaves lanceolate, sub- 
downy both sides; umbels mostly double 
j at their origin; the little horn of the nec- 
' tary exsert. A variety, pnfchra, is more 
hairy. Var. gla'bra, almost glabrous. Var 
G/'7;a,has white flowers. Damp. 3 f. 
obtimfcyjia, (J. 11.) stem single, erect; 
leaves clasping, oblong-obtuse, undulate oxi 
the margin, very smooth, glands beneath ; 
umbel terminal, long peduncled ; horns of 
the nectary exsert. Stem 0 f. Leaves 
much waved on the margin. Flowers 
large, pale purple. 
phyt,olaccoi'de.<i,{5xi. 11.) stem erect, sira 
pie ; leaves broad-lanceolate, acuminate, 
smooth, pale beneath ; umbels many-flow- 
ered, lateral and terminal, solitary, oi> 
long peduncles, nodding ; nectary 2-toothed 
Wet; rocky grounds. Flowers large 
greenish purple, 3 f. 
qnndrifo'lia, (w. p-w. M. 11.) stem erect, 
simple, glabrous ; leaves ovate, acuminate, 
petioled ; those in the middle of the stem 
ai e largest, and in fours ; umbels 2, ter- 
minal, lax-flowered; pedicels filiform 
18 i. Flowers small and sweetscent 
ed. 
amoefna, (p. J. IX-) stem simple, a little 
hairy on two sides ; leaves sub-sessile, ob- 
long-oval, pubescent beneath ; terminal 
umbels and nectaries erect, appendagea 
exsert. Damp. 
purpura.'i"cens, (p. Ju. 11.) stem simple ; 
leaves ovate, villose beneath ; umbels erect, 
horn of the nectaries resupinate. Shades. 
2f. 
jniVchra, (r. Ju. IX) leaves lanceolate, 
hairy beneath ; stem divided near the 
top ; umbels erect, in pairs ; flowers small ; 
bark very showy. 
variega'ta, (w. Ju. 2^.) stem simple, 
erect; leaves ovate, petioled, rugo.se, na. 
ked ; umbels sub-sessile, pedicelled, tomec- 
tose. The umbels dense. 
pai vijlo'ra, (w. Ja. 11.) smoothish ; stem 
weak, erect, simple ; leaves petioled, ovaj- 
lanceolate, acute at both ends, membrana- 
ceous; umbels terminal, lax-flowered ; pe- 
dicels capillary. The bark a good substi- 
tute for flax. 1-2 f. 
B. Leaves not opposite. 
verticilla'ta, (dwarf milkweed, g-y. w. 
Ju. 2X-) '^tem erect, very simple, marked 
with lines, and small pubescence , leaves 
