8lO FLORA. 



Leaves large ; blade generally over 5 cm. long and more or less cordate. 



14. P. heterophylla. 

 Leaves less than 5 cm. long, round-ovate or rhombic, scarcely at all cordate at the 



base; calyx, peduncles and younger branches with long white flat and jointed hairs. 



15. P. comata. 

 Leaves small. 2.5-4 cm - i n diameter, nearly orbicular, sometimes a little cordate at 



the base, not coarsely toothed; stem diffuse or prostrate. 16. P. rotundata. 

 t t Pubescence dense, cinereous, beautifully stellate. 17. P. viscosa. 



1. Physalis pubescens L. Low HAIRY GROUND-CHERRY. (I. F. f. 3190.) 

 Stem generally diffuse or spreading, often a little swollen at the nodes, villous- 

 pubescent or nearly glabrous; leaves thin, 2.5-6 cm. long, ovate, acute or acumi- 

 nate, slightly cordate, upward repand-denticulate or entire, pubescent, sometimes 

 becoming nearly glabrous except along the veins; peduncles short; calyx-lobes 

 narrow but not with a subulate tip; corolla 6-10 mm. in diameter, yellow with 

 dark center; anthers usually purplish; fruiting calyx membranous, 2-3 cm. long, 

 pyramidal, ovoid-acuminate, retuse at the base. In sandy soil, Fenn. to Fla. and 

 Cal. ; also in tropical Am. and India. July-Sept. 



2. Physalis pruinosa L. TALL HAIRY GROUND-CHERRY. (I. F. f. 3191.) 

 Stout, generally erect, and more hairy than the preceding and the two. following 

 species; stem finely villous or somewhat viscid; leaves firm, 3-10 cm. long, finely 

 pubescent, ovate, cordate, and deeply sinuately toothed; calyx villous or viscid, 

 its lobes as long as the tube, narrow but not subulate-tipped; corolla 4-8 mm. 

 in diameter; anthers yellow, or tinged with purple; fruiting calyx reticulate, 2-3 

 cm. long, ovoid, cordate; berry yellow or green. In 'cultivated soil, Mass, to Iowa, 

 Mo. and Fla. July-Sept. 



3. Physalis Barbadensis Jacq. BARBADOES GROUND-CHERRY. (I. F. f. 

 3192.) Stem stout, acutely 3~4-angled, pubescent or viscid; leaves 3-6 cm. long, 

 acute, or abruptly acuminate, sharply repand-dentate, pubescent with short hairs; 

 peduncles short, but in fruit sometimes 2 cm. long; calyx generally densely viscid- 

 hirsute, lobes lanceolate, acuminate; corolla 5-10 mm. in diameter; anthers gen- 

 erally purplish; fruiting calyx longer than in the two preceding species, reticulate. 

 Sandy soil, N. Car., southern 111. and Mex., the W. Ind. and S. Am. July-Sept. 



Physalis Barbadensis obscura (Michx.) Rydberg. Greener, perfectly glabrous, or 

 sometimes minutely pubescent. The distribution is about the same as that of the species. 



4 Physalis Missouriensis Mack. & Bush. MISSOURI GROUND-CHERRY. (I. 

 F. f? 31930 Stem spreading, often zigzag, striate, or slightly angled, villous with 

 short hairs. Leaves 1-9 cm. long, ovate, oblique and cuneate, obtuse, or cordate 

 at the base, acute, repand or sinuately dentate, hairy, at least on the veins; 

 peduncles in fruit 5-10 cm., reflexed, shorter than the fruiting calyx; calyx villous, 

 corolla 3-8 mm. in diameter, yellow, generally with a dark center; anthers gen- 

 erally yellow: fruiting calyx 1.4-2 cm. long, round-ovoid, nearly filled^ by the 

 berry, commonly rounded at the base. On rocky hillsides; Mo. and Kans. to 

 Ark. and Ind. Terr. July-Sept. This species has been confused with the tropi- 

 cal P. Lagasca R & S. 



5. Physalis pendula Rydb. LANCE-LEAVED GROUND-CHERRY. (I. F. f. 

 3194.1 Erect, generally 4-5 dm. high; stem angled, glabrous; leaves in the typical 

 form lanceolate; calyx cylindric-campanulate, its lobes broadly triangular, shorter 

 than the tube; peduncles filiform, about 2.5 cm. long, erect with nodding flower, 

 in fruit reflexed; corolla 6-8 mm. in diameter; campanulate, yellow, without a 

 dark spot; anthers yellow, tinged with purple; fruiting calyx about 2 cm. long, 

 ovoid, indistinctly lo-angled, purple-veined, nearly filled by the berry. 111. to 

 Tex., and Kans. (P. lanceifolia Rydh., in part, not Nees.) July-Sept. 



6. Physa'is angulata L. CUT-LEAVED GROUND CHERRY. (I. F. f. 3195.) 

 Erect, 4-9 dm. high, glabrous; stem angled; leaves ovate, with cuneate base and 

 long-acuminate teeth; blades 5-6.5 cm. long, on slender petioles, thin, the veins 

 not prominent: peduncles slender. 2-3 cm. long, erect, in fruit often reflexed but 

 seldom exceeding the fruiting calyx; calyx-lobes triangular to lanceolate, generally 

 shorter than the tube; corolla 5-10 cm. in diameter; anthers purplish tinged; 

 fruiting calyx about 3 cm. long, ovoid, not prominently angled, at last nearly 



