BOT.— Vol. II.] PARISH—WESTERN AMERICAN SOLANUMS. 165 



* Suffrutescent or suffniticose plants; peduncles lateral, or by the suppres- 

 sion of the growing apex apparently terminal; styles clavate; fruit a many- 

 seeded berry. 



-I- Corollas small, s-cleft; peduncles slightly thickened at the articu- 

 lation of the pedicels. 



y 



I. Solanum arizonicum. 



Barely suflrulicose or even herbaceous; stems 3 m. high, not striate or 

 angled, pubescent with unbranched hairs, the upper part canescent, as are 

 the lower surfaces of the leaves; leaves ovate-lanceolate, 2-3 cm. long, prom- 

 inently anastomose veined, the lower half of the margins coarsely toothed; 

 flowers in small corymbs (about 7-flowered); peduncles surpassing the leaves; 

 pedicels short, 2-5 mm.; calyx 3 mm. high, the lobes ovate; corolla light 

 purple, pubescent without, 5-6 mm. wide, 5-cleft nearly to the base into 

 ovate-acuminate lobes; anthers 3 mm. long, on filaments i mm. long; style 

 hirsute below; fruit not seen. 



Habitat: Hot Springs, Arizona (397 Toumey, June 17, 

 1892 [N]).i 



-<- ->- Corollas rotate, angulately s-lobed, violet, zuith green markings 

 at base; peduncles thickened into a cupulate node at the articulations of the 

 slender pedicels. 



** Pubescence of several-celled, unbranched hairs. 



y 



Solanum tenuilobatum. 



Suffrutescent, stems slender, angled, glabrescent below, hirsutulous above 

 with short, one- to several-celled, non-glanduliferous hairs; leaves linear to 

 narrowly oblong, 2-3 cm. long, the midrib prominent, all but the uppermost 

 with a pair of hastate linear lobes at base; umbels 1-4-flowered; corolla 12-15 

 mm. wide; fruit not seen. 



Habitat: Mexico, — Lower California (probably near 

 Ensenada, C. C. Parry, April, 1882, type [G]); (Carrizo 

 Creek, Brandegee, April 19, 1893 [A]). 



1 The letters in brackets denote the herbaria in which specimens are deposited. |A] 

 Herbarium California Academy of Sciences, San Francisco; [G] Gray Herbarium, Har- 

 vard University; [N] National Herbarium, Washington; [P] Herbarium of S. B. Parish, 

 San Bernardino, Calif.; [U] Herbarium University of California. 



It is a pleasure to record my thanks to Miss Alice Eastwood, Dr. B. 1,. Robinson, Dr. 

 J. N. Rose, and Dr. Willis L. Jepson, for the opportunity of examining the collections of 

 which they are the custodians. I am also under obligations to Mr. H. M. Hall for speci- 

 mens and other favors. 



