SOLANACE^E. (NIGHTSHADE FAMILY.) 269 



incurved beak: leaves 1 to 3-pinnatifid : annuals, armed with straight 

 prickles. 



4. S. heterodoxum, Dunal. Pubescent with glandular-tipped simple 

 hairs, with a very few 5-rayed bristly ones on the upper face of the irregu- 

 larly or interruptedly bipinnatifid leaves ; their lobes roundish or obtuse 

 and repand: corolla violet, l£ inches or less in diameter, somewhat irregular, 

 5-cleft ; the lobes ovate-acuminate : four anthers yellow and the large one tinged 

 with violet. — On the plains from Colorado to New Mexico and Texas. 



5. S. rostratum, Dunal. Somewhat hoary or yellowish with a copious 

 wholly stellate pubescence, a foot or two high : leaves nearly as in the last or 

 less divided, some of them only once pinnatifid : corolla yellow, about an inch 

 in diameter, hardly irregular, tlie short lobes broadly ovate. — On the plains 

 from Nebraska to Texas and westward to the mountains. 



2. CHAMiESARACHA, Gray. 



Depressed plants ; with narrow entire or pinnatifid leaves tapering into 

 margined petioles, filiform naked pedicels, the calyx close-fitting in fruit, 

 almost globose. 



I. C. Coronopus, Gray. Green, almost glabrous, or beset with some 

 short and roughish hairs, diffusely very much branched : leaves lanceolate or 

 linear with cuneate-attenuate base, varying from nearly entire to laciniate- 

 pinnatifid : peduncles elongated : calyx more or less hirsute, the hairs often 

 2-forked at tip : corolla yellowish : berry nearly white. — Bot. Calif, i. 540. 

 Withania (?) Coronopus, Torr. From S. Colorado to Texas and Arizona. 



3. PHY SAL IS, L. Ground Cherry. 



Herbs, with entire, toothed, or lobed leaves, and solitary or sometimes 2 or 

 3 drooping or nodding pedicels : the flowers white, yellow, or violet-purple : 

 berries greenish, red, or yellow. 



* Young parts sparsely (or on stalks and calyx densely) scurfy-granuliferous, 



otherwise quite glabrous i some leaves sinuate-pinnatifid : corolla flaU-otate. 



1. P. lobata, Torr; Low and small, diffusely branched: leaves oblong- 

 spatulate or obovate, from repand to sinuate-pinnatifid, the base cuneately 

 tapering into a margined petiole : corolla violet, the centre with a 5 to 6-rayed 

 white-woolly star. — On the plains, from Colorado to Arizona and Texas. 



* * Not granulose-scurfy : leaves never pinnatijid : corolla mostly rotately spread- 



ing from a somewhat campanulate throat or base, greenish white or yellow. 

 ■»- Annuals, glabrous or nearly so, the pubescence if any minute, and neither 

 viscid nor stellate: anthers violet: berry greenish yellow : stem and branches 

 conspicuously angular. 



2. P. angulata, L. Erect, or at length declined or spreading, 2 to 4 feet 

 long : leaves mostly ovate-oblong and with somewhat cuneate base, coarsely 

 and laciniately toothed : corolla 3 to 6 lines broad, with no distinct eye : 

 fruiting calyx at first ovate-pyramidal and 10-angled, the 5 principal angles 

 sharply keeled, at full maturity nearly replete and globose-ovate. — From 

 Colorado eastward to the Atlantic States. 



