374 soLANACE^. (nightshade family.) 



^- -t- Simple-leaved annuals. 



1 . S. triflorum, Nutt. Low, spreading, slightly hairy or nearly glabrous , 

 leaves oblong, pinnatijid (7 -9-lobed) with rounded sinuses; peduncles 1-3- 

 flowered ; corolla white ; berries green, as large as a small cherry. — Central 

 Kan., and westward ; chiefly a weed near dwellings. 



2. S. nigrum, L. (Commox Nightshade.) Low, much branched and 

 often spreading, nearly glabrous, rough on the angles; leaves ovate, tcavi/- 

 toothed ; flowers white, in small umbel-like lateral clusters, drooping; cali/x 

 spreading ; filaments hairy ; berries globular, black. — Shaded grounds and 

 fields ; common, appearing as if introduced, l)ut a cosmopolite. July - Sept. 



Var. vicl6su3I, Mill. Low, somewhat viscid-pubescent or villous ; leaves 

 small, conspicuously angular-dentate ; filaments glabrous ; berries yellow. — 

 Established near Philadelphia, from ballast. (Adv. from Eu.) 



S. GRACiLE, Link. Cinereous-pubescent or puberuleut, rather tall (2-3° 

 high), with virgate spreading branches ; leaves ovate and ovate-lanceolate, nearlt/ 

 entire; corolla white or bluish; calyx somewhat appressed to the black berrij — 

 Coast of N. C, and about ballast near Philadelphia. (Adv. from S. Am.) 



* * More or less prickly ; anthers tapering upward ; pubescence stellate 



H- Perennial ; frxdt naked ; anthers equal ; corolla vwlet, rarely white. 



3. S. Carolinense, L. (Horse-Nettle.) Hirsute or roughish-pnbescenl 

 with 4- 8-7'ayed hairs : prickles stout, yellowish, copious (rarely scanty) ; leaves 

 oblong or ovate, obtusely sinuate-toothed or lobed or siuuate-pinnatifid , ra- 

 cemes simple, soon lateral; calyx-lobes acuminate; berries about 6" broad. — 

 Sandy soil and waste grounds. Conn, to Iowa, south to Fla. and Tex, 



4. S. elseagnifolium, Cav. Silver y-canescent with dense scurf -like pu 

 besceuce of many-rayed hairs ; prickles small, slender, more or less copious or 

 wanting; leaves lanceolate to oblong and linear, sinuate-repand or entire; 

 calyx-lobes slender; herry seldom 6" in diameter. — Prairies and ])laius, E 

 Kan. to Tex., and westward. 



5. S. Torreyi, Gray. Cinereous icith a someivhat close pubescence of about 

 equally 9-l2-rayed hairs • prickles small and stout, scanty or nearly wanting; 

 leaves ovate with truncate or slightly cordate base, sinuately 5 - 7 -lobed (4 -6' 

 long) ; calyx-lobes short-ovate, abruptly long acuminate ; berry 1' in diameter. — 

 Prairies, etc., E. Kan. and Tex. 



-t- -i- Annual -.fruit closely covered ; lowest anther much the longest , corolla i/ellow. 



6. S. rostratum, Dunal. Very prickly, somewhat hoary or yellowish 

 with a copious wholly stellate pubescence (1 - 2° high)- leaves 1 - 2pinnatifid . 

 calyx densely prickly ; stamens and style much declined. — Plains of Neb. to 

 Tex.; spreading eastward to 111. and Tenn. 



2. CHAMiESARACHA, Gray. 



Calyx herbaceous, closely investing the globose berry (or most of it), ob- 

 scurely if at all veiny. Corolla rotate, 5-angulate, plicate in the bud Fila- 

 ments filiform ; anthers separate, oblong. — Perennials, with mostly narrow 

 entire or pinnatifid leaves tapering into margined petioles, and filiform naked 

 pedicels solitary in the axils, refracted or recurved in fruit. {Saracha is a 

 tropical American genus dedicated to Isidore Saracha, a Spanish Benedictine, 

 the prefix x"/^'*') ^" ^^^ ground.) 



