ASCLEPI ADAGES. (mTLKWEED FAiULY.) 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. Europasa, L., Var. latifolia, Torr. Stems 4 to 8 inches high, springing 

 from a little tuber. 



3. ANAGALLIS, Toum. PniPERXEL. 



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. GLAUX, L. Sea :Milkwort. 



Calyx campanulate, 5-cleft; the lobes ovate, petal-like. Filaments rather shorter than 

 the cal3rx. 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. 



Order CLI]ACI].S is represented by Frax'mus Oregana, Xutt., the Oregon Ash. 



Order APOCYNACU^ is represented by Apocynum cannaUnum, L. .(Indian 

 Hemp.) An herb with milky juice, tough bark, opposite entire exstipulate leaves, regular 

 flower.^, 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 4 inches long. The greenish- white small flowers in close cymes. A. androscBmifolium, 

 L., has smaller ovate leaves, conspicuously petioled; flowers rose-colored. 



Oeder 36. ASCLEPIADACEiE. 



Herbs with milky juice, no stipules, and regular flowers, with the parts in fives, except 

 that there are two carpels with distinct ovaries and a 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. Milkweed. 

 The calyx and corolla deeply o-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 hem; anthers with thin scarious tips inflexcd 



