Genus 2. 



POTATO FAMILY. 



2. Physalis pruinosa L. Tall Hairy 

 Ground-Cherry. Fig. 3697. 



Physalis pruinosa L. Sp. PI. 184. 1753. 

 P. pubescens Dunal, in DC. Prodr. 13: part 1, 

 446. 1852. 



Annual; siem stout, generally erect, and 

 more hairy than the preceding and the two 

 following species ; stem obtusely angled, finely 

 villous or somewhat viscid; leaves firm, li'-4 - 

 long, finely pubescent, o\ate, cordate, generally 

 very oblique at the base, and deeply sinuately 

 toothed with broad and often obtuse teeth ; 

 peduncles i'W long, in fruit about 5"; 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, 

 io"-is" long, ovoid, sunken at the base; berry 

 yellow or green. 



In cultivated soil. Massachusetts to Ontario, 

 Florida, Iowa, Missouri and Colorado. July-Sept. 



3. Physalis barbadensis Jacq. Barbadoes 

 Ground-Cherry. Fig. 3698. 



Physalis barbadensis Jacq. Misc. 2: 359. 1781. 

 Physalis obscura Michx. Fl. Bor. Am. I: 149. 1803. 

 Physalis barbadensis obscura Rydberg, Mem. Torr. Club 

 4: 327. 1896. 



Annual; stem tall and erect or widely spreading, 

 acutely 3-4-angled, pubescent, viscid, or nearly gla- 

 brous; leaves 1V-2V long, ovate or heart-shaped, acute, 

 or abruptly acuminate, sharply repand-dentate, pubes- 

 cent with short hairs; peduncles short, \i"-2" long, but 

 in fruit sometimes 10", calyx generally densely viscid- 

 hirsute, lobes lanceolate, acuminate, but not subulate- 

 tipped; corolla 2i"-s" in diameter; anthers generally 

 purplish; fruiting calyx longer than in the two pre- 

 ceding species, i'-li' long, acuminate and reticulate, 

 retuse at the base. 



Sandy soil, Pennsylvania to Illinois. Missouri, Florida, 

 Mexico, the West Indies and South America. July-Sept. 



4. Physalis missouriensis Mack. & Bush. 

 .Missouri Ground-Cherry. Fig. 3699. 



Physalis missouriensis Mack. & Bush, Fl. Jackson 

 Co. 167. 1902. 



Annual ; stem spreading, often zigzag, branched, 

 striate, or slightly angled, villous with short hairs. 

 Leaves i' 3J' long, ovate, oblique and cuneate, 

 obtuse, or cordate at the base, acute but not acu- 

 minate, repand or sinuately dentate, hairy, at least 

 on the veins ; peduncles i"-2&" long, erect, in fruit 

 2i"-s"i reflexed, shorter than the fruiting calyx ; 

 calyx villous, lobes shorter than the tube, triangu- 

 lar; corolla li"-4" in diameter, yellow; fruiting 

 calyx y"-io" long, round-ovoid, nearly filled by 

 the berry, scarcely sunken or commonly rounded 

 at the base. 



Missouri and Kansas to Arkansas and Oklahoma. 

 July-Sept. Referred in our first edition to the 

 tropical P. Lagascae R. & S. 



