SOLANACEE. (POTATO FaMILY.) 88a 
Corolla rotate; fruit a berry............ cece eee eeee Se aeaces esis eiarite Saree Solanum. 1 
Corolla funnel-form; capsule large, spiny.............0000- ceeeeeeeeeeeee Datura. 2 
Corolla funnel-form; capsule smooth..........-..2. sess Sees ....Nicotiana. 3 
1 SOLANUM, Tourn. 
Lobes of the corolla valvate in the bud. Filaments short; anthers usually conniving. 
Style elongated. 
* Corolla small white; deeply 5-cleft. 
1. S. nigrum, L. (Buack NicutsHapg.) Widely branching; leaves usually ovate 
and sinuate toothed; flowers in umbellate clusters; berries black. Wariable. 
Var. Douglasii, Gr, Leaves apt to be coarsely toothed; flowers sometimes half an 
inch broad. 
* * Corolla large, blue, 5-angled. 
2. S&S. umbelliferam, Esch. Somewhat shrubby; flowers in umbel-like clusters, 
violet-blue to rarely white, about 9 lines broad. A variable species similar to S. Xanti, 
which is less shrubby and has larger flowers, a common species farther south. 
2. DATURA, L. Srgamonivm. 
Calyx prismatic, partly deciduous. Corolla with ample 5-pointed limb. Style long; 
stigma 2-lipped. Capsule spiny. 
1. D. Stramonium, L. Smooth, green; corolla white, about 3 inches long; cap- 
éule beset with short, stout prickles, the lower shorter. 
2 D. Tatula, L. Stem reddish-purple; corolla pale violet; prickles about equal. 
3. D. quercifolia, HBK. Green; corolla violet-tinged; prickles flattened, unequal, 
some an inch long.—Lower Russian River. 
3. NICOTIANA, Tourn. Tosacco. 
Calyx campanulate or oblong, persistent. Corolla commonly funnel-form, the limb 
plaited. Style long; stigma capitate, somewhat 2-lobed.—Very viscid herbs, 
1. N. rustica, L. Leaves petioled, ovate, or the lower slightly cordate; corolla 
short and broad, dull white, less than an inch long. 
2. N. Bigelovii, Wat. Leaves oblong or oblong-lanceolate, only the lower ones 
petioled, these scarcely exceeding 6 inches long; corolla nearly salver-form with tube 14 
inches long, the limb an inch or more wide, its lobes acute. 
3. WN. attenuata, Torr. (SLENDER ToBacco.) Leaves petioled, the lower ovate or 
oblong, the upper lanceolate to linear lanceolate; calyx teeth short; corolla greenish 
white, salver-form, an inch or more long, and a half an inch or less across, Slender 
plants 3 or 4 feet high in cultivated ground. 
4. NN. glauca, Graham. (Tosacco Treg.) A small tree, commonly cultivated; 
smvoth, glaucous leaves long-petioled; tubular corolla greenish yellow, an inch or more 
jong. 
