GENUS 2. 



POTATO FAMILY. 



'59 



8. Physalis subglabrata Mackenzie and 

 Bush. Smooth Ground-Cherry. 



Fig- 3/03- 



? Physalis philadelphica Lam. Encycl. 2: 101. 1786. 

 P. subglabrata Mackenzie & Bush, Trans. Acad. St. 

 Louis 12: 86. 1902. 



Perennial from a deep rootstock, tall, erect, 2i-5 

 high ; stem angled, dichotomously branched, gla- 

 brous, or sometimes slightly pubescent with sparse 

 and short hairs on the upper parts; blades ovate to 

 ovate-lanceolate, often very oblique at the base and 

 more or less acuminate, entire or repand-denticulate, 

 2^-4' long, on petioles ii'-2i' long, often in pairs; 

 peduncles slender, 5"-io" long, generally longer than 

 the flower; calyx glabrous, or minutely ciliolate, 

 lobes ovate-lanceolate or trangular, sometmes broadly 

 ovate and unequal, generally equalling the tube ; 

 corolla yellow or greenish yellow with purplish 

 throat, |'-i' in diameter; anthers tinged with pur- 

 ple; fruiting calyx at first somewhat lo-angled and 

 sunken at the base, at last often filled with or burst 

 by the large red or purple berry. 



Ontario and Rhode Island to Georgia, Minnesota, Kentucky and Colorado. July-Sept. 



9. Physalis longifolia Nutt Long-leaved Ground-Cherry. Fig. 3704. 



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 com- 

 mon form stout and tall, i^-3 high, slightly angled, 

 branched above, the branches strict, glabrous. 

 Leaves lanceolate, oblanceolate, or linear, tapering 

 into a short stout petiole 5"-io" long, subentire or 

 repand; peduncles s"-io" long, in fruit often re- 

 curved ; calyx generally glabrous, its lobes triangular- 

 lanceolate, about the length of the tube; corolla 6"- 

 10" in diameter, yellow with a dark, commonly 

 brownish center; anthers yellow, tinged with purple; 

 fruiting calyx ovoid, about li' long, not sunken at 

 the base ; berry yellow, the lower portion and the 

 stipe glutinous. 



In rich soil, Iowa to South Dakota, Montana, Arkan- 

 sas, Utah and Mexico. July-Sept. 



10. Physalis macrophysa Rydb. Large- 

 bladder Ground-Cherry. Fig. 3705. 



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



Perennial ; rootstock rather thick and fleshy ; stem 

 erect, ii-3 high, comparatively slender, angled, 

 perfectly glabrous, or the upper parts sparingly pu- 

 bescent with very short hairs. Leaves large, thin, 

 ii'-3$' long, i '-2' wide, the lower obtuse, the upper 

 acute or acuminate; petioles slender, io"-2o" long; 

 peduncles s"-8" long, erect, in fruit reflexed ; calyx 

 smooth, its lobes ovate-triangular or broadly lanceo- 

 late, generally a little shorter than the tube; corolla 

 yellow with a dark center, about 10" in diameter ; 

 anthers generally yellow, sometimes tinged with pur- 

 ple; fruiting calyx large, ij'-ii' long, i'-ii' in diam- 

 eter, pyramidal to ovoid-conic, indistinctly lo-angled, 

 deeply sunken at the base; berry small, in the center 

 of the calyx. 



In rich soil, Kansas and Arkansas to Texas. May 

 July. Rare. 



