É 
bove: 
em. long, glabro arly so: umbels solitary or few in a terminal pad 
the dads E oue "oro -lobes mainly white, 2.5-3.5 Mies, long: hoods 
bout m. long, scarcely ee androeci ium: horn very ae eis 
REN the hood: eolumn nearly 1 mm. long: follie les 5-9 em. long: 
9-12 mm. long.—Moist woods and E. often in ples soil, Coastal Plain 
and adj. provinces, Fla. Tex., Mo., and Ind.—Spr.-s 
- A. quadrifolia Jacq. Stem 3-6 dm. tall, simple, sometimes puberulent 
n lines: leaves opposite, or whorled in 3’s or 4s at one or more nodes; blades 
ares -elliptie or dae te, 4-10 cm. long: umbels solitary or 2 or 8, the pedi- 
whi 
ASCLEPIADACEAE 1071 
aH A. perennis Walt. Stem 3-9 dm. tall, often branched, Ue esi in lines 
leaves opposite; d blades elliptic, elliptic -lanceolate, or lanceolate, 5-15 
few 
cels mo stly 1.5—2 . long: corolla- lobes pink or nearly te, 0-6 mm. long: 
m post about twice as long as the androecium ; horn slender, 
mueh shorter than the hood: folli 10—12 raa seeds 5-6 mm g.— 
d: cle . lo 
d soil, woods 23 thickets, various provinces, N. C. to N Ala., Ark., Minn., 
Ont., and Me — 
obovata Ell. Stem 4-11 dm. en softly pubescent: leaf-blades s 
o oval or eti ic, 3-10 em. long, e sely y pubes er umbels terminal and i 
i upper leaf- axils, the Peers hairy vete di up to 1 em. long: Men MER 
n yellow, 9— 10 m : hoo —6 mm. lo aim early twice as long as 
e androecium; iod RE or je Merci about the middle of the 
hood, Ea spreading: anthers about 2.5 mm. long: follicles 8-12 em. 
long.—Dry grounds, Coastal Plain, Fla. to Tex. and S. C—Sum 
18. A. aceratoides M. A. Curtis. Stem 3-5 dm. tall, tomentulose: leaf-blades 
e to elliptie or dod ovate, 7—12 em. lo ong: umbels few-flo pala 
lax: corolla-lobes greenish ames m. eed hoods runcate, abou 
jon searcely equalling the androec ; horn very broad ee ae 
follicles not seen Kandy pine nd Coastal Plain, S. Ko) and N. C.—Spr. 
. A. tomentosa Ell. Stem UR 12 dm. tall, softly ib. leaf-blades mainly 
elliptic to ovate, 5-8 . long: umbels. oe SF any-flowered, rather lax: 
corolla-lobes greenish, 9-11 mm. long: hoods t 4 mm di truncate, about 
equalling the androecium; horn bro ad, Bc and slightly ineurved: fol- 
lieles 10-13 cm. long. —Dry sandy soil 'and high pinelands, Coastal Plain, Fla. 
and cuc i hoe 
ris Scheele. Stem solitary or few together, 2-8 dm. tall, minutely 
mbels 
20. A. linea 
pubescent in lines: leaf- n) narrowly elongate-linear, 4—12 em. long: u 
g as 
ong: fol s 7-9 em. long. [A. dud (Fl. SE. U. 8.) ]—In damp 
TE phi VEL Plain, Ala. to ee can: —fal 
A. verticillata L. Stem 3-8 dm. tall, commonly pubescent in lines: leaf- 
ae very narrowly linear to linear-filiform, 2—6 em. long: umbels few to sev- 
eral in the upper leaf-axils: corolla-lobes Pee ake —4 mm. long: hoods 
abo , about equalling the a eclum or shorter; horn slender, 
ut 1 mm. long, . ndro n 
about twice as long as the hood: follicles 7-12 em. long.—In dry and sterile 
soil, various provinces, Fla. to Tex., Nebr., Sask., Ont., and Mass.—Spr—sum 
or all id S. 
. long, execeding the androecium; t, sane the hood; follicles 
8-10 em. long.—Wet pinelands, Rossa col region, Fla.—Sum.—fall. 
