SOLANACEAE. 239 



3. SOLANUM [Tourn.] L. Annual or perennial herbs, or vines. Leaf- 

 blades entire, toothed, or lobed. Flowers variously clustered. Calyx sometimes 

 accrescent. Corolla rotate, of various colors: lobes longer than the tube. 

 Anthers narrow, converging or united, much longer than the filaments. — Sum. 



Climbing vine : berries red. 1. 8. Dulcamara. 



Upright or spreading herbs : berries not red. 



Plants glabrous or simply pubescent, not prickle-armed : 



corolla white. 2. S. nigrum. 



Plants stellate-pubescent, prickle-armed : corolla violet or 

 yellow, or rarely white. 

 Berry not enclosed in the calyx : anthers equal : perennial 



plants. 3. s. carolinense. 



Berry enclosed in the accrescent calyx : anthers imequal : 



annual plants. 4. 8. rostratum. 



1. S. Dulcamara L. Partially woody climber: leaf -blades ovate, 3-10 cm. 

 long, entire or with 1 or 2 basal lobes, thin: corolla white or blue, 8-10 mm. 

 long; lobes lanceolate to oblong-lanceolate: berries oval, 9-15 mm. long. — 

 Common, in thickets and waste places. Nat. of Eu. — Bittersweet. 



2. S. nigrum L. Herbaceous annual, 1-12 dm. tall: leaf -blades ovate to 

 oblong-ovate, 2-8 cm. long, undulate or deeply repand: calyx-lobes fully 1 mm. 

 long : corolla white ; lobes lanceolate to oblong-lanceolate : berries subglobose, 

 4-8 mm. in diameter, black. — Common, in waste places and fields. — Commox- 



NIGHTSHADE. 



3. S. carolinense L. Herbaceous perennial, 2-7 dm. tall, hirsute or rough- 

 pubescent : leaf -blades oblong to ovate in outline, 5-12 cm. long, sinuate or 

 pinnately sinuate-lobed, the lobes of a triangular type : calyx spinescent ; lobes 

 lanceolate, often narrowly so, acuminate : corolla violet or rarely white, 25-30 

 mm. wide; lobes ovate: berries globular, 10-15 mm. in diameter, orange-yellow. 

 — M. S. Common, in fields and on roadsides. — Horse-nettle. 



4. S. rostratum Dunal. Herbaceous annual, hoary- or yellowish-pubescent, 

 2-7 dm. tall: leaf -blades mostly ovate or oval, 1-2-pinnatifid, 5-22 cm. long: 

 calyx spinescent ; lobes lanceolate or linear-lanceolate : corolla yellow, about 

 25 mm. wide ; lobes ovate to lanceolate, shorter than the tube : berries enclosed. 

 — • M. Occasional, on roadsides and along railroads. Nat. of the Plains. — 

 Buffalo-bur. 



4. LYCOPEESICON Mill. Annual or perennial heavy-scented herbs. 

 Leaf-blades 1-2-pinnately divided. Flowers in cymes. Calyx not accrescent. 

 Corolla rotate, yellow: lobes longer than the tube. 



1. L. Lycopersicon (L.) Karst. Plants clammy-pubescent, 3-12 dm. tall: 

 leaf-blades 1-4 dm. long, the divisions ovate to oblong, coarsely toothed or 

 incised: calyx-lobes narrow, acute: corolla mainly 1.5-2 cm. wide: berries 

 depressed, mainly 5-15 cm. wide, and red or yellow. — Occasional, in culti- 

 vated grounds. Nat. of trop. Am. — Sum. — Tomato. Love-apple. 



5. LYCIUM L. Shrubs or woody vines, commonly spiny. Leaf -blades 

 thick, flat or sometimes terete, entire. Flowers axillary, sometimes clustered. 

 Calyx markedly lobed. Corolla white or colored, funnelform, salverform, or 

 nearly campanulate: lobes longer than the usually short tube, or shorter. 

 Filaments adnate to the lower part of the corolla-tube, pubescent below: 

 anthers shorter than the filaments. Stigma dilated. 



1. L. halimifolium Mill. Plant irregularly branched, sometimes vine-like: 

 leaves herbaceous, 1.5-5 cm. long; blades oblong, oval, ovate, lanceolate, or 

 spatulate: calyx-lobes ovate to somewhat triangular, obtuse: corolla purplish 

 or greenish; lobes 4-5 mm. long: berries oval or ovoid, orange or orange-red, 



