282 BOTANY. 
APOCYNACE^. 
Apocynum ANDROS.TSMIFOLIUM, L. Mostly glabroiis throiiglioiit. From 
North Carolina to Hudson's Bay and west to Kansas and tlie Saskatchewan, 
and from Washington Territory to the Sacramento. East Humbohit Mount- 
ains, Nevada, and in the Wahsatch and Uintas ; 6-8,000 feet aUitude ; July, 
August. (957.) 
Apocynum cannabinum, L. 3-6° high ; canline leaves 4' long or more 
and 2' broad, sessile and amplexicaul, the rameal ones much smaller and 
petioled ; glabrous. Used by the Indians as a substitute for hemp in making 
nets, &c. From Florida to Canada and Winnipeg Valley, and west to New 
]^I('xic(), Sonora and CaUfornia. On the Humboldt River and on stream- 
banks in tlic West Humboldt ^lountains, Nevada, and shores of Salt Lake; 
4-5,000 feet altitude ; June-September. (958.) 
ASCLEPIADACE^. 
AscLEPiAS FASCicuLAEis, Dccnc. DC. Prodr. 8. 569. Stems erect, 
glabrous, P)-5° high ; leaves crowded in fours or fives, 2-5' long, short-petioled, 
linear, nuicronulate, glaljrous, uniform in color, not rcvolute, subcoriaceous, 
nerves thick beneath ; peduncles shorter than the leaves, umbeled, densely 
flowered ; pedicels and flowers softly puberulent ; ccrolla-lobes ovate, reflexed, 
about equaling the 'pedicels ; hoods ovate upon the back; horns falciform, 
acute ; crown stipitate ; pods smooth, narrow, 2i' long and 21" wide. — Differ- 
ing from A. mrtkillaris only in its less pubescence, more densely flowered 
umbels, more distant whorls of leaves and stouter habit. Oregon to Southern 
CaUfornia. West Humboldt Mountains, Nevada; 5,000 feet altitude; August, 
September. (959.) 
AscLEPiAS spECiosA, Torr. DC, Prodr. 8. 571. {A. Douglasii, Hook., 
X>C., /. C.J 564.) Tomentose ; stem simple, 2-5° high ; leaves 4-8' long, 
cordate-ovate, acute, short-petioled, or the uppermost sessile ; umbels axillary 
and terminal, solitary, many-flowered, the short peduncles and the pedicels 
densely tomentose; flowers light-purple; corolla-lobes ovate, acutish, reflexed; 
hoods of the crown 6" long, ovate, long-acuminate, bidentate at the base 
within, thrice longer than the stigma and the compressed incurved horn; 
pods 4' long, 1' in diameter. — From Washington Territory and Northern 
Cabfornia to Dakota, Colorado and New Mexico. The prevalent species of 
