Order 94.— NIGHTSHADES. 283 



d Stamens growing to the summit of the tube. Neircmherg. NEraEMBER^ciA. 



d Stamens growing to the bottom of the tube. Matrimony. Ltc'iom. 



e Calyx 5-angled. Capsule spiny or smooth. Thorn Apple. Datu'ra. 



e Calyx terete. Stigma capitate. Herbs coarse. Tobacco. Nicotia'na. 



e Calyx terete. Stigma 2-lobed. Delicate shrubs. + FaUe Tamarisk. Fabia'na. 



SOL A' NUM. Nightshade. 



Calyx 5-parted. Corolla rotate, limb spreading, tube very short, limb 

 plaited in the bud, 5-lobed. Anthers erect, slightly united or converging, 

 each opening at top by 2 pores. Berry globular or depressed, 2-celled. 

 — Herbs or shrubs unarmed or prickly. Leaves often 2 together, a large 

 and a small one. Flowers generally lateral. May-July. 



% Plants not prickly. Anthers short, blunt. . . .a 



§ Plants prickly. Anthers long, linear, and pointed.... b 



a Herbs with pinnatifid leaves, shorter than the racemes. . . .1 

 a Herbs with undivided leaves, longer than the racemes. . . .2-4 



a Shrubby plants, erect or climbing. Berries red 5-7 



b Peduncles exceeding the leaves, many-flowered 8, 9 



b Peduncles shorter than the leaves, few-flowered. , . .10, 11 



I S. tubero'sum. Potato. Segments of the leaves unequal, some very small. Co- 



rolla limb 5-angled. Tubers on the underground branches. 

 2 S. nig'rum. Blach Nightshade. Smoothish. Leaves ovate, toothed, and wavy. 



Flowers small, white, in lateral umbels. Berries black. 

 8 S. nodiflo'rum. Knot-flowered N. Quite smooth. Leaves ovate, entire. 



Flowers minute, white, the stalk arising from a knot in the stem. S. 

 . 4 S. pycnan'thiun. Stem hispid. Leaves ovate-acuminate, wavy. Peduncle 2 

 or 3-flowered. S. 



5 S. Dxalcama''ra. Bitter-sweet. Stem flexuous, climbing. Leaves ovate, cordate, 



wpper ones lobed or gashed. Flowers purple, in lateral cymes, drooping. 

 (Fig. 611.) 



6 S. Pseudo-cap 'sicum. Jervsalem Cherry. A small, handsome, erect shrub, 2-4f. t 



7 S. sempervi'rens. Evergreen JV. Climbing. Leaves thick, cordate, elliptic, ob- 



tuse, with a blunt cusp, very smooth and shining. Panicles terminal, f * 



8 S. Carolinen'se. Horse Nettle. Leaves angulur-lobed. Kacemes leafless, xv. 



9 S Virginia 'num. Virginia N. Leaves pinnatifid. Eacemes leafy. Pale. S. 

 10 S. mammo'sum. A^yple of Sodom. Woolly and prickly. Leaves roundish-ovate, 



lobed. Fruit inversely pear-shaped. Flowers violet-colored. 



II S esculen'tum. Egg-plant. Leaves ovate, somewhat sinuate, downy. Flowers 



6-9-parted. Fruit egg-shaped, from the size of an &gg to a water-n.elon. f 



