POTATO FAMILY 757 



corolla white, 8-10 mm. broad; berry globose, 10-15 mm. thick. Prairies, culti- 

 vated ground, waste places, '^prairie-dog to\\'ns"; w Ont.— Kaiis.— N.M.— Ariz. 

 —B.C. Plain—Mont. Je-S. 



2. S. nigrum L. Stem erect, branched, 1-12 dm. high; leaf-blades ovate 

 or oblong-ovate, 2-8 cm. long, unfhilate to sinuately lobcd; inflorescence xmibelli- 

 form; calyx-lobes ovate or oblong-ovate; corolla white or bluish, about 1 cm, 

 broad; lobes oblong or linear; berries subglobose, 5-8 mm. thick, black. Sandy 

 soil, waste places: N.S. — Fla. — Tex. — Wash.: nat. or adv. from Eu. riain. 

 Mr-D. 



3. S. interius Rydb. Stem 3-6 dm. high, usually with narrow denticulate 

 margins or wings; leaf-blades deltoid or rhombic, 3-7 cm. long, acuminate, 

 usually sinuately lobed or dentate, with acute or acuminate lobes or teeth; in- 

 florescence corymbiform; calyx-lobes ovate, 2 mm. long; corolla yellowish white; 

 lobes ovate, acute, 3-4 mm. long; berry greenish black, nearl}' 1 cm. in diameter. 

 River valleys among bushes: Neb. — Kans. — N.M. — Ariz. — Utah. Plain — Sub' 

 mont. Je-Au. 



4. S. Douglasii Dunal. Annual or perennial, and then more or less shrubby 

 at the base; stem 1-3 m. high, denticulate on the angles, glabrous or strigose; 

 leaf-blades ovate or somewhat hastate, 3-6 cm. long, sinuate-dentate, grayish 

 strigose beneath; inflorescence cor^-mbiform; cah'x-lobes oblong, actite, erect in 

 fruit; corolla white or often tinged with blue, puberulent, its lobes 6-8 mm. long; 

 berry globose, black. Valleys: Calif. — Ore. — (? Colo.) — Ariz. Mr-S. 



6. S. villosum Mill. Stem 3-10 dm. high, viscid-villous; leaves ovate or 

 ovate-rhombic, coarsely sinuate-dentate, villous-hirsute, 2-5 cm. long; calyx- 

 lobes triangular, acute; corolla white or greenish ochroleucous; lobes 2-3 mm. 

 long; berry globose, yellow or greenish. Waste places and sandy soil: Wyo.^ 

 Colo.— L. Calif.— B.C.; adv. from the Old World. Plain— SubnionL Jl-S. 



6. S. Jamesii Torr. Stem 1-3 dm. high, erect, sparingly hairy or glabrous; 

 leaves pinnately divided; divisions 5-7, lanceolate, subentire, 2^ rnm. long, 

 glabrate, or with scattered hairs; inflorescence c^-mose; corolla white; lobes 

 lanceolate, 7-8 mm. long. Wild Potato. Momitains: Tex. — Colo. — Utah — 

 Ariz.; Mex. Son. — Submont, Je-S. 



7. S. Dulcamara L. Stem climbing or t^^-ining, 4-15 dm. long; leaf-blades 

 ovate, 3-10 cm. long, acute or acuminate, imdulate, entire or with a lobe or two 

 on one or both sides at the base; calyx glabrous, its lobes triangidar; corolla blue 

 or white, about 1.5 cm. wide; lobes oblong-lanceolate, pubescent near the tips. 

 Bittersweet. Thickets: N.B. — Fla. — Kans. — Ida.; adv. or nat. from Eu. Je- 

 Au. 



8. S. elaeagnifolium Cav. Perennial, with a cespitosecaudex or rootstock; 

 stem 3-11 dm. high, silvery stellate-canescent, often more or less prickly; leaf- 

 blades oblong to linear, 5-15 cm. long, usually obtuse, undulate to deeply sinu- 

 ate, silvery-stellate; calyx 5-ribbed; corolla violet or white, 2-2.5 cm, broad; 

 berries globose, 1-1.5 cm. thick, yellow or black. Dry soil: AIo.— Tex.— CaUf.; 

 Mex. Sour. My-0. 



9. S. carolinense L. Stem erect, 3-6 dm. high, hirsute and prickly; leaf- 

 blades mostly ovate, sinuately toothed or lobed, 1-2 dm. long, green, but rather 

 densely stellate-pubescent, prickly on the petioles, midribs, and the stronger 

 veins beneath; corolla blue, about 2 cm. m diameter; berr>' l-l.o cm. in diameter, 

 globose. Horse Nettle. Sandy soil and waste places: :\Iass.— Fla.— Tex.— 

 Neb.; adv. in Utah and Idaho. Je-S. 



6. LYCOPERSICON jNIill. Tomato, Love Apple. 



Annual herbs, with once or twice pinnately divided leaves. Flowers perfect, 

 in small racemes, opposite the leaves. Cah-x mostly 5-parted. CoroUa rotate, 

 6-lobed, pUcate. Stamens usuaUy 5; filaments short; anthers elongate, connate 

 or connivent, introrsely longitudinally dehiscent. Ovary 2-3-ceUed, many- 

 seeded. Fruit a berry. 



