Asclepias. | ASCLEPIADE (Brown). 669 
tawny; corona-lobes distinctly 
angular in side view at the dorsal 
apex ws ee ay ... (34) dregeana, 
Corona-lobes in side view with the dorsal 
apex rising much above or prolonged 
beyond the teeth or apex of the 
inflexed sides : 
Leaf-blade 23-10 lin. long, 14-34 lin. 
broad at the hastate or truncate base 
glabrous above a cea ... (13) multicaulis, 
Leaf-blade 4-33 in. long, }-1 in. broad, 
more or less harshly pubescent or 
scahrous on both sides (sometimes 
glabrous above in 42, A. erispa, 
var. 7)? 
Plant 2-5 in. high : 
Peduneles as long as or longer than 
the leaves at their base ; corona- 
lobes 1 lin. Jong ks ... (38) monticola. 
Peduncles much shorter than the 
leaves at their base; corona- 
lobes 14-2 lin. long... ... (37) meliodora, 
Plant 4-14 ft. high: 
Peduncles 1-3 in. long, slightly 
shorter than to much longer 
than the leaves at their base .,, (42) erispa, 
Peduncles }-3 in. long, much shorter vars, B and y. 
than the leaves at their base... (41) hastata, 
tttUmbel solitary and terminal on each stem or 
branch; peduncles often long: 
Corona-lobes subtruncate or rounded at the 
top and scarcely or not at all longer 
from the base to the dorsal apex than to 
the apex or teeth of the inflexed sides : 
Corolla-lobes very distinctly puberulous all 
over the inner face ; umbel 1-1} in. 
in diam. a aa bis ... (48) viearia. 
Corolla-lobes glabrous on the inner face or 
very minutely puberulous at the base: 
Umbels 14-2 in. (rarely more) in diam. ; 
peduncle 14-4 in, long; corona- 
lobes 1-1 lin. long : 
Leaves ovate to ovate-lanceolate, sub- 
cordate to broadly rounded at the 
base ; umbel 15-30-flowered (see 
also 50, A. affinis) on ... (49) albens. 
Leaves narrowly lanceolate, cuneate, 
subhastate or subtruncate at the 
base, often undulate; umbel 30- 
50-flowered aps ssf ... (46) Cooperi. 
Umbels 3-1} in. in diam., 2-25-flowered 
Peduncles 3-2} in. long ; corona-lobes 
not quite 1 lin. long ae ... (47) adscendens, 
Peduncles 3-7 in. long; corona-lobes 
1}-1} lin. long: 
Plant 1-13 ft. high; corona-lobes 
entirely creamy-white or yellow- 
is gevngin 26 0s ie) denbifiora, 
Plant 3-1 ft, high; corona-lobes 
dark violet-brown on the back (45) fallax, 
