OF NORTH AMERICA, 
61 
from Arkanzas, anonymous in ColL herb, stem 
pedal slender, with obtuse angles above as in 
the last, leaves adpressed 2 to 4 inches long very 
narrow, umbels I or 2 terminal and lateral, 
flowers bicoior, corol green, centre pale red, 
the tips very conspicuous black purple. 
888. OTANEMA ilaf. meaning auricles 
without filaments , Acerotis 1818, Asclepias El- 
liot and authors. Differs from last by central 
body with membranes for appendages above and 
no shining hard tips, leaves opposite umbelsax- 
illary sessile nodding. I have 3 sp. of it, all have 
simple terete stems and pubescent leaves, um- 
bels muliiflore globose, flowers greenish &c, 
889. Otanema latifolia Raf. leaves ellipti- 
cal or rounded, obtuse or retuse, mucronate pe- 
tiolate, undulate reticulate roughly pubescent 
rigid— from the Alleghanies to Kentucky in 
glades, pedal and sesquipedal, leaves nearly 2 
inches long, over one broad, sometimes almost 
round seldom obovate — Yar, Retusa , all the 
leaves retuse. 
890. Otanema ovata Raf. leaves ovate or 
subovate, petiolate, acute flat, base often sub- 
cordate, roughly pubescent — from New Eng- 
land to Yirginia, smaller plant $ leaves chiefly 
uncial, flowers fewer, perhaps another var. of 
the last, petiols very short as in last. 
891. Otanema lanceolata Raf. Ascl, do 
Ives &/C. Ascl. nutans and viridiflora Raf. Mg. 
Fursh &c leaves lanceolate sessile flat, acute at 
both ends — from New England to Kentucky &c. 
Leaves 2 or 3 inches long,, narrow. These 3 
plants as in Ansonia and Upopion show the 
gradual deviation of species in shapes of leaves. 
892. Asclepias megalotis Raf. hardly pu- 
bescent, leaves opposite subsessile, elliptic base 
