Vol. III.] 



POTATO FAMILY. 



129 



g. Physalis longifolia Nutt. Long-leaved Ground- Cherry. (Fig. 3198.) 



Physalis longifolia Nutt. Trans. Am. Phil. Soc. (II.) 5: 



193- 1833-37. 

 Physalis lanceolata var. laevigata A. Gray, Proc. Am. 



Acad. 10: 68. 1874. 



Perennial from a thick rootstock; stem in the 

 common form stout and tall, i^2-3 high, slightly 

 angled, branched above, the branches strict, gla- 

 brous. Leaves lanceolate, oblanceolate, or linear, 

 tapering into a short stout petiole 5 // -io // long, 

 subentire or repand; peduncles 5 // -io // long, in 

 fruit often recurved; calyx generally glabrous, its 

 lobes triangular-lanceolate, about the length of the 

 tube; corolla 6 // -io // in diameter, yellow with a 

 dark, commonly brownish center; anthers yellow, 

 tinged with purple; fruiting calyx ovoid, about \% f 

 long, not sunken at the base; berry yellow, the 

 lower portion and the stipe glutinous. 



In rich soil, Iowa to Arkansas, Utah and Mexico. 

 July-Sept. 



10. Physalis macrophysa Rydb. Large- 

 bladder Ground-Cherry. (Fig. 3199.) 



P. macrophysa Rydberg, Bull. Torr. Club, 22: 308. 1895. 



Perennial; root somewhat thick and fleshy; stem 

 erect, i^ -3 high, comparatively slender, angled, 

 perfectly glabrous, or the upper parts sparingly pu- 

 bescent w T ith very short hairs. Leaves large, thin, 

 1%'-$%' long, i / -2 / wide, the lower obtuse, the 

 upper acute or acuminate; petioles slender, io // - 

 20" long; peduncles 5 // -8 // long, erect, in fruit re- 

 flexed; calyx smooth, its lobes ovate-triangular or 

 broadly lanceolate, generally a little shorter than 

 the tube; corolla yellow with a dark center, about 

 10" in diameter; anthers generally yellow, some- 

 times tinged with purple; fruiting calyx large, 

 iX /_I /^ / l D g> i/-iI 4 / i n diameter, pyramidal to 

 ovoid-conic, indistinctly 10-angled, deeply sunken 

 at the base; berry small, in the center of the calyx. 



In rich soil, Texas to Kansas and Arkansas. May- 

 July. 



ir. Physalis lanceolata Michx. 



Rare 



Prairie Ground- Cherry 



Physalis lanceolata Michx. Fl. Bor. Am. 1: 149. 1803. 

 Physalis Pennsvlvanica var. la?iceolata A. Gray, Man. 

 Ed. 5, 382. 1867. 



Perennial; rootstock apparently as a rule slender 

 and creeping; stem about ij^ high, first erect, 

 later spreading or diffuse, only slightly angled, 

 sparingly hirsute with flat hairs. Leaves broadly ob- 

 lanceolate or spatulate, tapering into the petiole, 

 acute or obtuse, nearly always entire, rarely wavy, 

 but never sinuately toothed, thickish, sparingly 

 hairy with short hairs; peduncles 5 // -io // long, in 

 fruit reflexed; calyx strigose or villous, rarely gla- 

 brous, its lobes triangular-lanceolate; corolla dullish 

 yellow with a brownish center, about S // in diam- 

 eter; fruiting calyx round-ovoid, not sunken at the 

 base, indistinctly 10-angled; berry yellow or green- 

 ish yellow. 



On dry prairies, common west of the Missouri River, 

 extending eastward to Illinois and the Carolinas. July- 

 Sept. 



9 



(Fig. 3200.) 



