126 



SOLANACEAE. 



[Vol. III. 



Corolla yellow, with a brown or purple centre. 



Peduncles short, scarcely as long as the flowers, which are 5"-8" in diameter; calyx-lobes 



broadly triangular. 7. P. ixocarpa. 



Peduncles longer than the flowers, which are 8"-i2" in diameter; calyx-lobes lanceolate-trian- 

 gular. 8. P. Philadelphica. 



& vfc- Perennial by rootstocks. 



t Pubescence not stellate (although in P. pumila of branched hairs). 

 Pubescence on the leaves none, on the upper part of the stem and the calyx sparse and short, if any. 

 Fruiting calyx ovoid, nearly filled by the berry, scarcely sunken at the base. 



Leaves ovate-lanceolate to broadly ovate, usually thin. 8. P. Philadelphica. 



Leaves lanceolate, oblanceolate, or linear. 9. P. longifolia. 



Fruiting calyx pyramidal, very much inflated and deeply sunken at the base; leaves broadly 

 ovate, usually coarsely dentate. 10. P. tnac?'Ophysa. 



Pubescence sparse, consisting of flat, sometimes jointed, and in P. pumila branched hairs; in 

 P. Virginiana sometimes a little viscid. 

 Fruiting calyx ovoid, scarcely angled and scarcely sunken at the base; leaves thick, obovate or 

 spatulate to rhomboid, subentire. 

 Leaves obovate or spatuiate ; hairs all simple. 11. P. lanceolata. 



Leaves broader, often rhomboid; hairs on the lower surface branched. 12. P. pamila. 

 Fruiting calyx pyramidal, more or less 5-angled and deeply sunken at the base; leaves ovate to 

 lanceolate, generally more or less dentate. 13. P. Virginiana. 



Pubescence dense, short, more or less viscid or glandular, often mixed with long flat jointed hairs. 

 Leaves large; blade generally over 2' long and more or less cordate. 14. P. heterophylla. 



Leaves less than 2' long, rounded ovate or rhombic, scarcely at all cordate at the base; calyx, 



peduncles and younger branches with long white flat and jointed hairs. 15. P. coma/a. 

 Leaves small, i'-i%' in diameter, nearly orbicular, sometimes a little cordate at the base, not 

 coarsely toothed; stem diffuse or prostrate. 16. P. rotundala. 



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



i. Physalis pubescens L,. Low Hairy 



Ground-Cherry. (Fig. 3190.) 

 Physalis pubescens L. Sp. PI. 183. 1753. 



Stem generally diffuse or spreading, much 

 branched, angled, often a little swollen at the 

 nodes, villous-pubescent or sometimes nearly 

 glabrous; leaves thin, i / -2 / ^ / long, ovate, acute 

 or acuminate, at the base oblique, slightly cor- 

 date and generally entire, upward repand-den- 

 ticulate or entire, pubescent, sometimes becom- 

 ing nearly glabrous except along the veins; 

 peduncles short, i // -2 // long, or in fruit about 

 5 // ; calyx-lobes narrow but not with a subulate 

 tip; corolla 3 // -5 // in diameter, yellow with 

 dark centre; anthers usually purplish; fruiting 

 calyx membranous, io // -i5 // long, pyramidal, 

 ovoid-acuminate, more or less retuse at the base. 



In sandy soil, Pennsylvania to Florida and Cali- 

 fornia; also in Mexico, Central and South America 

 and India. Called also Dwarf Cape Gooseberry and 

 Strawberry Tomato. July-Sept. 



2. Physalis pruinosa L. Tall Hairy 

 Ground- Cherry. (Fig. 3 191.) 



Physalis pruinosa L- Sp. 184. 1753. 



P. pubescens Dunal, in DC. Prod. 13: part 1, 446. 



1852. Also American authors in part. 



Stout, generally erect, and more hairy 

 than the preceding and the two following 

 species; stem obtusely angled, finely villous 

 or somewhat viscid; leaves firm, \yi f -&f 

 long, finely pubescent, ovate, cordate, gen- 

 erally very oblique at the base, and deeply 

 sinuately toothed with broad and often ob- 

 tuse teeth; peduncles \ ,, -2 ,f long, in fruit 

 about ff f \ calyx villous or viscid; lobes as 

 long as the tube, narrow but not subulate- 

 tipped; corolla 2 // -4 // in diameter; anthers 

 yellow, or tinged with purple; fruiting calyx 

 a little firmer and more pubescent than in 

 the preceding, reticulate, \o"-\^ n long, 

 ovoid, cordate; berry yellow or green. 



In cultivated soil, Massachusetts to Iowa, 

 Missouri and Florida. July-Sept. 



