ASCLEPIADACEE, (MILKWEED FAMILY.) 73 
2. TRIENTALIS, L. STAR-FLOWER. 
Calyx and wheel-shaped corolla about 7-parted. Filaments slender, spreading.—Low 
and glabrous perennials, with simple stems, which bear a whorl of leaves at the summit, 
in their axils slender peduncles supporting star-shaped, white or pinkish flowers. 
1. T. Buropeza, L., Var. latifolia, Torr. Stems 4 to 8 inches high, springing 
from a little tuber. 
3. ANAGALLIS, Tourn. PmrERNeEt. 
Divisions of the rotate 5-parted corolla broad. Capsule globose.—Spreading, prostrate 
herbs, with opposite or whorled leaves and axillary flowers. 
1. A. arvensis, L. Leaves ovate, sessile, shorter than the peduncles, sometimes in 
threes; flowers scarlet, purple, or nearly salmon-colored, rarely blue. 
4 GLAUZ, L. Sea Mitewort. 
Calyx campanulate, 5-cleft; the lobes ovate, petal-like, Filaments rather shorter than 
the calyx. Style filiform; stigma capitate. 
1. G, maritima, L. Low, glabrous; branching stems 3 to 9 inches high, leafy to 
the top; leaves commonly opposite, fleshy, oblong, half an inch or less long, minutely 
dotted; flowers axillary, almost sessile, white or purplish. 
‘OrpER OLEHACE ZS is represented by Frazxinus Oregana, Nutt., the OREGON AsH. 
Orprr APOCYNACEZ is represented by Apocynum cannabinum, L, (InpIAN 
Heme.) An herb with milky juice, tough bark, opposite entire exstipulate leaves, regular 
fiowers, the sepals, petals and stamens five, the latter borne on the corolla alternate with 
its lobes and conniving around the stigma. The commonly sessile, oblong leaves often 3 
or 4incheslong. The greenish-white small flowers in closecymes. A. androsemifolium, 
L., has smaller ovate leaves, conspicuously petioled; flowers rose-colored. 
Oxver 36. ASCLEPIADACEZ. 
Herbs with milky juice, no stipules, and regular flowers, with the parts in fives, except 
that there are two carpels with distinct ovaries and 4 common stigma to which the sta- 
mens are attached; the latter (in our genera) with hood-like appendages. Leaves entire, 
generally opposite, sometimes whorled, Flowers usually in simple umbels. Fruit a 
pair of follicles. Seeds almost always with a coma of silky down. 
1. ASCLEPIAS, L. MiILkweep. 
The calyx and corolla deeply 5-parted; the small divisions reflexed; filaments short, 
crowned behind each anther with a conspicuous hood from the cavity of which 
rises the subulate and usually falcate hcrn; anthers with thin scarious tips inflexed 
