324 CONVOLVULACEAE. 



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 exceed- 

 ing the stamen-column; horn or crest blunt, not exserted, attached to the 

 hood. 



Southern California: southern Sierra Nevada foothills; near San Francisco 

 and .Monterey ace. to Bot. Cal. 



5. A. cordifolia (Benth.) Jepson. Purple Milkweed. Stems 1\< 2 to 2y 2 

 ft. high; herbage green and more or less purplish, perfectly glabrous; leaves 

 mostly opposite, rarely in 3s, ovate-lanceolate, with the lower round or elliptic- 

 ovate, the upper ovate to ovate-lanceolate with cordate-clasping base, 2 to 4 in. 

 long; umbels loosely many-flowered, mostly in the axils of bracts at the naked 

 summit of the stem, the filiform pedicels equaling or shorter than the peduncles; 

 corolla dark-red purple, its lobes 3 or 4 lines long; hoods purplish, oblong, the 

 summit obliquely truncate dorsally and produced at the ventral margins into an 

 ascending cusp, the fissure down the front narrow; follicles glabrous, 2 to 5 in. 

 long, often long-attenuate. — (Gomphocarpus cordifolius Benth.) 



North Coast Kanges at middle altitudes (Vaca Mts., Napa Kange, etc.) ; 

 Sierra Nevada. 



6. A. californica Greene. Vegetative aspect of A. vestita but commonly 

 stouter and lower; leaves opposite, ovate or broadly oblong, 4 in. long some- 

 what more or less, sharply acuminate, dark green and shining beneath the 

 tomentum; umbels nearly sessile, about 6 to 8-flowered; corolla purplish; hoods 

 dark maroon, nearly orbicular, laterally compressed, centrally attached and 

 reaching nearly to the middle of the anthers, 2-cleft half-way down the back 

 and destitute of horn. — (Gomphocarpus tomentosus Gray.) 



Antioch; Pine Canon, Mt. Diablo, W. W. Carruth; Southern California. 

 Apr.-May. 



2. SOLANOA Greene. 



Perennial herb with strongly flattened stems and opposite leaves. Umbels 

 small, terminal, globose, densely many-flowered, the peduncles longer than the 

 pedicels. Flowers purplish red outside, flesh-color within. Hoods cleft dorsally 

 from top to bottom. Horns none. (The Indian chief, Solano, of the 

 Suisunes.) 



1. S. purpurascens (Gray) Greene. Stems 2 or 3 from a stout taproot, 

 about I ft. long, prostrate, flexuous, purplish and purple-dotted; herbage canes- 

 cently-puberulent ; leaves thick, the lowermost elliptic-ovate, the upper broadly 

 cordate-ovate, 1 to 2 in. long; umbels 2; flowers purplish red outside, flesh- 

 color within, about 2 lines long; follicles 2 in. long, about 5 lines in diameter 

 at the widest part. — (Gomphocarpus purpurascens and Schizonotus purpurascens 

 Gray.) 



High montane dry or rocky slopes in the North Coast Ranges: the Geysers, 

 Sonoma Co., Toicle; Snow Mt., Brandegee; Fout's Springs, Rattan; Soldiers' 

 Ridge, Yallo Bally Mts., Jepson. The only recorded stations. 



CONVOLVULACEAE. Morning-Glory Family. 



Chiefly twining or trailing herbs. Leaves alternate, or the plants leafless 



parasites. Flowers complete and perfect. Sepals 5, distinct or nearly so, im- 

 bricated, persistent, often unequal. Corolla regular, usually showy, more or less 

 campanulate, mostly shallowly 5 Lobed, commonly folded longitudinally and 

 twisted in ill" bud. Stamens 5, borne on the base of the corolla. Ovary superior, 



