544 SOLANACE.E. JJutura. 



§ 1. Calyx-tuhe prismatic, acutely b-anyled : border of the corolla with 5 acute teeth : 

 capsule dry and of Jinn texture, ividved from, the top: seeds tvith a thick and 

 rouyh dark-colored coat : rout annual. 



* Capsule erect as well as the floiver. 



1. D. Stramonium, l-inn. ((Jummon Stramonium.) Smooth, green, 2 or 3 foot 

 liigh : leaviis aiuimtely ami Iiiciuiately angled and toothed : corolla white, about 

 3 inches long : capsule thickly beset with short and stout prickles, the lower ones 

 coTuiuonly shorter than the upper. 



Waste grounds, especially near towns, sparingly naturalized, probably originally from Asia. 



2. D. Tatula, Linn. Like the i)receding, except that the stem is reddiah- 

 purple, the corolla })ale violet, and the prickles on the fruit about equal. 



Not yet recorded I'roni California, but probably introduced in some places, from Tropical 

 America. 



3. D. quercifolia, IIBK. Green, and tlie young herbage commonly a little 

 pubescent : leaves sparingly but deeply sinuate-pinnatifid ; corolla nearly as in the 

 foregoing : capsule urnied with unequal and llattened prickles, some of them large 

 and strong, even an inch long. 



Along the Rio Colorado, especially in Arizona ; perhaps indigenous, as it is a ilexican species. 

 * * Capsule noddiny on a recurved peduncle. 



4. D. diBCOlor, IJernh. Jvathor low, pubescent : leaves laciniutely or sinuately 

 toothed : corolla 2 or 3 inches long, white with a purple tinge : capsule globose, 

 pubescent, armed with stout large jjrickles. — (iray, Proc. Am. Acad. v. 165. JJ. 

 Thomasii, Torr. in Tacif. \l. IJep. v. 302, it Bot. Mex. Bound. 155. 



Along the Rio Colorado, at Fort Yuma, &c. ; thence into Mexico, from whicli it is likely to 

 have been introduced : yet it may be indigenous. 



§ 2. Calyx tubular and nearly cylindrical : capsule nodding on the recurved short 

 peduncle, globose, succulent, bursting from the ajjex someivhat irregularly 

 at maturity : seeds jlatter, xvith a softer and pale smoothish coat. 



5. D. meteloides, DC. Perennial, pale, being coated with a very minute and 

 soft whitish pubescence, from one to 4 feet high : leaves mostly only repand or 

 entire : calyx 3 and corolla 7 or 8 inches long ; the latter white or suffused with 

 violet, the widely exi)anded border with 5 (not 10) slender-subulate con.spicuous 

 teeth : capsule 2 indues in diameter, thickly beset with short and weak equal 

 ])rickle3 : seeds bordered by a narrow and uniform cord-like margin. — Dun. in DC 

 Prodr. xiii. 544 (with erroneous descr.); Gray in I'ot. !Mex. Bound. 154. IJ. Mttel, 

 var. quinc/uecusjiida, Torr. in Pacif. II. Ivep. vii. 18. I). Wrightii of the ganlens, 

 & Kegel, Gartenll. viii. t. 2G0. 



Southern part of the State, extending nortliward ns far as to Santa Barbara on tlie sea-shore, 

 and eastward to Texas, and in adjacent jiarts of Mexico. Now common and very ornameiitul in 

 cultivation. 



9. NICOTIANA, Tourn. Tobacco. 

 Calyx campanulate or ol)long, 5-toothed or moderately lobed, persistent, closely 

 investing the capsule, ('orolla various, but commonly funneliorm or salverform ; 

 the limb plaited and the plaits more or less convolute in the bud. Stamens mostly 

 included : anthers short, opening lengthwise. Style long : stigma capitate or de- 

 pressed, somewhat 2-lobed. Capsule smooth, with 2 (rarely more) cells, and veiy 

 immerous seeds on broad placentae borne in the axis, 2-valved from the top, and 

 the valves tluiuiselves soon 2-ch'ft, thus becoming as it were 4-valved. Seeds very 

 numerous and small, oval or roundish, somewhat pitted. Embryo straightish. — 



