13 + 



SOLANACEAE. 



[Vol. III. 



U^^cL 



2. Chamaesaracha Coronopus 

 (Dunal) A. Gray. Smootliisli Chamae- 

 saracha. (Fig. ,i2io. ) 



So/aiium Coronopus Dunal in DC. Prodr. 13: Part 



I, 64. 1852. 

 C. Coronopus A. Graj-, Bot. Cal. I: 540. 1876. 



Branched and difTiise from a perennial base; 

 stem obtusely angled; pubescence on the stem 

 and leaves more or less roughish pruinose or 

 stellate, often scarcely any; on the calyx stellate 

 or sometimes hirsute. Leaves linear or lanceo- 

 late, tapering at the base, more or less sinuately 

 lobed, occasionally subentire, sometimes pin- 

 nalifid; calyx-lobes triangular, acute; corolla 

 white or ochroleucous, the appendages of the 

 throat often protuberant; berry 2>i"-4" in 

 diameter, nearly white. 



In clayej- soil, Kansas to Utah, California and 

 Mexico. Variable. May-Sept. 



6. SOLANUM L. Sp. PI. 184. 1753. 

 Herbs or shrubs, often stellate-pubescent, sometimes climbing. Flowers cymose, unibel- 

 liform, paniculate, or racemose, white, blue, purple, or yellow. Calyx campanulate or rotate, 

 mostly 5-toothed or 5-cIeft. Corolla rotate, the limb plaited, 5-angled or 5-lobed, the tube 

 very short. Stamens inserted on the throat of the corolla; filaments short; anthers linear or 

 oblong, acute or acuminate, connate or connivent into a cone, the cells dehiscent by a term- 

 inal pore, or sometimes by a short introrse terminal slit, or sometimes also longitudinal!)'. 

 Ovary usually 2-celled; stigma small. Berry mostly globose, the cal3'x either persistent at 

 its base or enclosing it. [Name, according to Wettstein, from so/aiiicii, quieting.] 



About 900 species, of wide geographic distribution, most abundant in tropical America. Besides 

 the following, some 15 others occur in the southern and western United States. 



■^ Glabrous or pubescent herbs, not prickly. 

 Plants green; pubescence simple, or some of it stellate; flowers white. 

 Leaves repand or entire; ripe berries black. 

 Leaves deeply pinnatifid; ripe berries green. 

 Plant silvery stellate-canescent; flowers violet. 



^ -J^ Stellate-pubescent and prickly herbs. 

 Berry not enclosed by the calyx; perennials. 



Hirsute; leaves ovate or oblong, sinuate or pinnatifid. 

 Densely silvery-canescent; leaves linear or oblong, repand or entire. 

 Pubescent; leaves ovate, s-y-lobed. 

 Berry invested by the spiny calyx; anintals. 



Plant densely stellate-pubescent; corolla yellow. 



Plant glandular-pubescent, with few stellate hairs; corolla violet. 



v^ ^- -X- Climbing vine, not prickly; leaves hastate or 3-lobed. 



I. Solanum nigrum L. Black or Garden 

 Nightshade. Morel. (Fig. 321 1.) 



Solanum nigrum L. Sp. PI. 186. 1753. 



Annual, glabrous, or somewhat pubescent with 

 simple hairs, green; stem erect, branched, i°-2%° 

 high. Leaves ovate, petioled, more or less inequi- 

 lateral, i'-3'long, entire, undulate, or dentate, thin, 

 acute, acuminate or acutish at the apex, narrowed 

 or rounded at the base; peduncles lateral, umbel- 

 lately 3-io-flowered, ^j'-I/j' long; pedicels 2,"-l" 

 long; flowers white, 4"-5" broad; calyx-lobes ob- 

 long, obtuse, spreading, much shorter than the 

 corolla, persistent at the base of the berry; filaments 

 somewhat pubescent; anthers obtuse; berries black 

 when ripe, smooth and glabrous, globose, 4"-5" in 

 diameter, on nodding peduncles. 



In waste places, commonly in cultivated soil. Nova 

 Scotia to the Northwest Territory, south to Florida and 

 ~ Widely distributed in nearlj- all countries as a 



Called also Duscle, Hound's-berrj-. July-Oct. 



1. S. nigrum. 



2. S. triflorum. 



4. S. elaeasnifolium. 



S. Carolinense. 

 S. etaeagni/olium. 

 S. Torreyi. 



S. rostralum. 

 S. heterodoxum. 



S. Dulcamara. 



Texas 

 weed. 



