SOLANACEAE (;nIGHTSHADE FAMILY) Tl;') 



small (6-10 mm. broad when expanded); fnuting calyx conical-ovoid with a 

 truncate or sunken base, lO-angled, loosely inflated, at length well filled by the 

 greenish-yeUow berry. — Open rich grounds, Pa. to Minn., and southw. 



4. P. pub£scens L. Pubescent but not hoary; leaves thin, entire at least 

 near the oblique but rarely cordate base ; stem slender, geniculate, diffusely 

 branolied ; fruiting calyx suhglobose, shortly acuminate, earinately b-angled. — 

 Pa. to Va., and westw. 



5. P. pruinbsa L. (Strawbeeet Tomato.) Hoary-pubescent; stem 

 stouter ; leaves thiclier, sinuate-dentate even to the oblique and distinctly 

 cordate base ; fruiting calyx subglobose, rather abruptly acuminate, earinately 

 5-angled. — Sandy soil, Mass. to Ont., la., Kan., and southw. 



6. P. barbadSnsis Jacq. Pubescent or somewhat hoary, near the two 

 preceding but with m ire elongated ovoid and gradually attenuate fruiting calyx 

 of somewhat firmer texture ; leaves toothed or entire, rounded or subcordate 

 at the scarcely oblique base. — Pa. {Knipe) to Mo. (Bush), and southw. Var. 

 OBSctJRA (Michx.) Rydb. Nearly glabrous. (P. obscura Miohx.) — Mo. 

 {Bush, Eggert), and southw. 



7. P. missourifinsis Mackenzie & Bush. Leaves repand, oblique but not 

 cordate at base, thin; flowers 4-8 mm. in diameter; fruiting calyx subglobose, 

 not sharply angled, 2 cm. or less in length. — Mo. and Kan. 



8. P. yiscbsa L. Cinereous or when young almost canescent with short 

 stellate or 2-3-forked pubescence ; stems ascending or spreading from slender 

 creeping subterranean shoots; leaves ovate or oval, varying to oblong and 

 obovate, entire or undulate ; corolla greenish-yeUow, with a more or less dark 

 eye ; fruiting calyx globose-ovoid ; berry yellow or orange. — In sands on and 

 near the coast, Va. to N. C. and Fla. 



9. P. piimila Nutt. Dichotomously branched, 3 dm. high ; stems geniculate, 

 shortly hirsute with spreading once or twice branched sordid hairs ; leaves 

 ovate-oblong, mostly entire, acute or acutish at each end ; fruiting calyx yellow- 

 irh-green, ovoid-pyramidal, 2.5-3 cm. in diameter, scarcely umbonate at base. 

 (P. lanceolata, var. hirta Gray.) — Dry ground, w. Mo. {Bush), and southwestw. 



10. P. Alkekengi L. (Winter Cherry.) Stems subsimple, erect from 

 a creeping perennial rootstook ; leaves thin, green, broadly ovate, entire or 

 angled; flowers 2.5 cm. in diameter; fruiting calyces flrm, veiny, scarlet or 

 crimson. — Frequently cultivated for its decorative fruit; said to be escaping 

 locally, as also the doubtfully distinct P. FEANCHiTi Masters (Chinese Lan- 

 tern Plant), which is annual and has even larger and more showy scarlet or 

 crimson fruiting calyces (5 cm. in diameter). (Introd. from e. Asia.) 



11. P. heterophylla Nees. Perennial, diffusely much branched and widely 

 spreading or at first erect, puberulent or tomentose, usually viscid ; leaves 

 sometimes oblong, repand or obtusely toothed, acute or obtuse; corolla 1.5-2.2 

 cm. broad, 5-angled or 5-10-toothed ; anthers chiefly yellow. (P. virginiana 

 Man. ed. 6, not Mill.) — Chiefly in sandy or alluvial soil, N. B., southw. and 

 westw. Var. Awsiavx (Gray) Rydb. Spreading-villous ; anthers chiefly pur- 

 plish. — N. H., southw. and westw. Var. NvcTAofNEA (Dunal) Eydb. Leaves 

 thinner, mostly subentire and acuminate, pubescent chiefly on the veins. — R. I., 

 southw. and westw. 



12. P. longifblia Nutt. Essentially smooth and green, 4-6 dm. high, much 

 branched above ; leaves narrowly lanceolate, attentuate at each end, entire 

 or undulate-dentate ; calyx and peduncles more or less strigillose ; corolla 1-1.5 

 cm. wide. — Bottom lands, etc., la. to S. Dak., and southwestw. 



13. P. subglabrjlta Mackenzie & Bush. Leaves ovate or ovate-oblong, oblique 

 at base, entire, repand, or sparingly angulate-toothed ; peduncles 1-3 cm. long ; 

 calyx-teeth ovate-lanceolate ; corolla brownish- or violet-spotted in the center; 

 calyx at maturity globose and completely filled by the large reddish or purple 

 berry and open at the mouth. (P. phiiadelphlca Man. ed. 6, but perhaps nou 

 of Lam.) — Fertile soil, R. I. to Minn., and southw. 



14. P. virginislna Mill. Erect perennial ; stem 1.5-3 dm. high, villous; leaves 

 rather narrowly ovate, mostly acutish at each end, subentire or more often witt 

 1-5 acutish or rounded teeth on each side, thinner than in the next species; 



