MILKWEED FAMILY. 



and incurved over the summit of the disk; follicles 8 nr 4 in. long, 

 about 4 lines in diameter at the widest part; seeds 3.] lines long;. 



Forming patches in dry ground; distributed throughout California, 

 but not near the coast within our limits: Bound Valley, Westermann; 

 Clear Lake; Putah Canon, Brewer; Sonoma; Napa City; Alameda; 

 Walnut Creek; Sacramento and San Joaquin Valleys; Mt. San 

 Carlos and southward to Southern California. July-Sept. 



2. A. speciosa Ton*. Stem stout, 2 to 4£ ft. high, leafy to the 

 top; soft-tomentose, or rarely glabrate in age; leaves opposite, oval to 

 ovate or oblong, transversely veined, acute or obtuse, 4 to 6j in. long; 

 petioles 3 to 5 lines long; peduncle longer than the woolly pedicels; 

 lower umbels with to 10 flowers, the upper with 18 or 20 to as many 

 as 55; petals pink or reddish purple; hoods with a short involute 

 base, above this abruptly contracted into a nearly flat lanceolate por- 

 tion, the whole fully twice as long as the stamen-column; horns much 

 exserted, incurved over the central disk; follicles soft-spiny, at least 

 toward the apex. 



Along streams: Solano Co.; common in the Sierra Nevada. Marin, 

 Contra Costa and Alameda Cos., acc. to Greene. Last of May-July. 



3. A. eriocarpa Benth. Stems 1£ to 3 ft. high, more or less 

 sharply angled below; herbage hoary -tomentose, in age more or less 

 deciduous; some of the leaves in whorls of 3 or 4, all broadly oblong 

 with truncate base, rounded or acute at apex, 5 to 7 in. long, short- 

 petioled; umbels few or several, mostly corymbose-clustered toward 

 the summit, on peduncles equaling or rather longer than the pedicels; 

 flowers 3^ lines long; corolla creamy white; hoods with slight purplish 

 tinge, shorter than the anthers, cleft a short distance down the back, 

 the acute sickle-shaped horn little protruded from between the acute 

 teeth of the cleft. 



Dry ground: Potter Valley (Mendocino Co.) and Big Valley (Lake 

 Co.) to ./Etna Springs (Napa Co.) and eastward to Putah Pass, Jepson. 

 Also in Santa Clara Co. and Monterey Co. and southward to Fort 

 Tejon and Southern California. July— Aug. 



A. Fremonti Torr. Similar to no. 3; umbels 1 or 2; peduncles 

 not longer than the pedicels; hoods nearly erect, equaling the anthers, 

 rather evenly truncate; horn broad, its apex subulate, inflexed and a 

 little exserted. — Chico; Upper Sacramento; Little Lake, Mendocino 

 Co., acc. to Bot. Cal. To be looked for near Ukiah. 



4. A. vestita H. & A. Two and one-half to 3 ft. high, 

 unbranched, white- woolly, at length densely floccose; leaves oppo- 

 site, ovate to oblong-lanceolate, the upper more acuminate and often 

 subcordate at base, short-petioled or the upper sessile, 4 to 6 in. long; 

 umbels 1 to 4, the lateral sessile, the terminal peduncled; corolla 

 greenish white or purplish, tomentose on the outside, its lobes 3 lines 

 long; hoods truncate at summit and entire, not exceeding the stamen- 

 column; horn or crest blunt, not exserted, attached to the hood. 



Southern California; southern Sierra Foothills; near San Francisco 

 and Montere}' acc. to Bot. Cal. 



