194 KEY AND FLORA 
Corolla bell-shaped, 5-lobed, with a small, scale-hke appendage 
at the base of each lobe. Stamens 5, distinct, inserted on the 
base of the corolla tube. Ovaries 2. distinct, united by the 
styles; stigma obtuse, 2-lobed. Pods long, slender, many- 
seeded; seeds with a tuft of hairs.* 
1. A. androsemifolium L. DoGnanr. Plant 2-5 ft. high, usually 
smooth, purplish, the branches spreading and forking. Leaves 2-3 
in. long, acute, mucronate ; petioles about } in. long. Cymes mostly 
terminal, few-flowered. Calyx teeth lance-ovate, about half as long 
as the corolla tube. Corolla pale red or whitish, its lobes recurved, 
Pods stouter than in No.2. Roadsides and clearings; comimon. 
2. A. cannabinum L. InprAn IIemp. Stem erect, smooth, with 
numerous erect or ascending branches. Leaves oval to oblong, 
mucronate at the apex, rounded at the base, downy beneath, 
short-petioled. Cymes terminal, compact, shorter than the leaves, 
Flowers are on short, bracted pedicels, greenish-white, about 1 in. 
broad. Calyx lobes lanceolate, nearly as long as the tube of the 
corolla. Corolla lobes erect. Pods very slender, tapering, 3-4 in. 
long. Along fences and in thickets.* 
IV. NERIUM L. 
Shrubs. Leaves mostly whorled in threes. Flowers in termi- 
nal cymes. Calyx small, lobes acute. Corolla salverform, the 
throat of the tube crowned with cleft or cut-fringed scales. 
Stamens 5, short, included; anthers tipped with a hairy 
bristle. Ovary of 2 carpels; style short. Pods erect; seeds 
with a tuft of hairs.* 
1. N. Oleander L. OLeanper. Stem erect, diffusely branched 
from below, 4-10 ft. high. Leaves narrowly elliptical, acute at each 
end, thick and leathery, short-petioled. Flowers showy, in large 
clusters, red or white, often double; seales of the crown 3—4-pointed 
unequal teeth. Pods spindle-shaped, 3-4 in. long. Introduced from 
Palestine. Common in cultiyation.* 
82. ASCLEPIADACEA. Mirkweep Famiry 
Shrubs or herbs, often twining; juice usually milky, 
Leaves generally opposite or whorled, entire, without stipules. 
Flowers regular. Calyx 5-parted. Corolla 5-parted. Stamens 
5; the filaments usually united around the styles, often with 
