SOLANACEAE 275 



Calyx-lobes broadly triangular : pedicel scarcely as long- as the flower. 



3. P. ixocarpa. 

 Calyx-lobes triangular-lanceolate : pedicel longer than the flower. 



4. P. Philadeiphica. 

 Plants perennial by rootstocks and roots. 



Leaves glabrous. 4. p, Philadeiphica. 



Leaves pubescent. 



Stem strigose with flat hairs. 5. P. Virginiana. 



Stem clammy-pubescent with spreading hairs. 6. P. helerophylla. 



1. Physalis pruinosa L,. Tali, Hairy Ground-cherry. (Man. p. 



810 ; I. F./. 3 191.) In cult, soil, Mass. to Iowa, Mo. and Fla. — Pennsyl- 

 vania : lyANCASTER. 



2. Physalis Barbadenslsjacq. Bakbadoes Ground-cherry. (Man. 

 p. 810; I. F./. 3ig2.) Sandy soil, N. C, southern 111. and Mex., the W. 

 Indies and S. Am. — Pennsylvania : Ali^egheny. 



3. Physalis ixocarpa Brot. Mexican Ground-Cherry. Straw- 

 berry Tomato. (Man. p. 8ri ; I. F./. j/p6.) In waste places, locally 

 eastward. Native of Mex. — Pemisylvania : Philadelphia. 



4. Physalis Philadeiphica Lam. Philadelphia Ground-cherry. 

 (Man. p. 811 ; L Y.f.sigj.) In rich soil, R. I. to Ga., Neb. and Tex. — 

 Pennsylvania: Monroe ; Northampton ; Lancaster ; Franklin. 



5. Physalis Virginiana Mill. Virginia Ground-cherry. (Man. p. 



811 ; I. V.f. 3202.^ Rich soil and open places, N. Y. to Man., Fla. and 

 La. — Pennsylvania : Monroe ; Northampton; Bucks ; Delaware ; 

 Chester ; Philadelphia ; York ; Lancaster ; Franklin ; Clarion ; 

 Erie. 



5a. P. Virginiana intermedia Rydb. (Man. p. 812.) Northampton. 



6. Physalis heterophylla Nees. Clammy Ground-cherry. (Man. 

 p. 812; I. F./. 3203.') In rich soil, N. B. to Saskatchewan, Fla., Colo, 

 and Tex. — Pennsylvania : Northampton ; Bucks ; Philadelphia ; 

 Delaware ; Chester ; Lancaster ; Franklin ; Bedford ; Hunting- 

 don; Luzerne; Erie. 



6a. P. heterophylla ambigua (A. Gray) Rydb. (Man. p. 812.) 

 Monroe ; Allegheny. 



3. SOLANUM L. 



Upright or spreading herbs. 



Plants glabrous or simply pubescent, not prickle-armed, i. .S. nigfum. 

 Plants stellate-pubescent, prickle-armed. 

 Berry not enclosed in the calyx : perennial species. 2. 5. Catolinense. 

 Berry enclosed in the accrescent calyx : annual species. 3. S. rostratum. 

 Climbing vine. 4. 5. Dulcamara. 



1. Solanum nigrum L. Black or Garden Nightshade. (Man. 

 p. 814; I. F./. 3211.) In waste places or cult, soil, N. S. to the N. W. 

 Terr., Fla. and Tex. — Pennsylvania: Northampton; Bucks; Phila- 

 delphia ; Delaware ; Chester ; Lancaster ; Franklin; Alle- 

 gheny. 



2. Solantmi Carollnense L. Horse-nettlE. (Man. p. 814 ; I. F. /. 

 3213.) In dry fields and in waste places, Ont. to Mass., Fla., 111., Neb. 



