SOLANACE^U. 267 



lines long: calyx lobes ovate lanceolate, acutish, overlapping, much 

 shorter than the cylindric or urn-shaped corolla-tube: corolla-lobes much 

 shorter than the tube, ovate-lanceolate, acute, minutely crenulate or, 

 papillose: anthers oval, subsessile: scales narrow fringed, reaching to 

 the middle of the tube : sjender styles longer than the pointed ovary : 

 capsule conical, capped by the withered corolla, usually 1-seeded. 

 Common in all the hilly districts, usually on shrubs or coarse herbs. 



ORDER LXXV. SOLANACE^E. 



Herbs or shrubs, commonly rank-scented and with colorless narcotic 

 juice. Leaves alternate, exstipulate. Flowers regular, 5-merous, 5- 

 androus, their pedicels bractless. Corolla usually plaited in aestivation. 

 Ovary 2-celled, with axial placentae; style single. Fruit capsular or 

 baccate, many-seeded. Seeds with curved embryo in fleshy albumen. 



Corolla rotate or campanulate; fruit a berry SOL.ANUM 1 



Corolla elongated; fruit a capsule; 



Pericarp thick, prickly DATURA 2 



Pericarp thin and smooth; 



Calyx merely toothed or lobed NICOTIANA 3 



" 5-parted; segments f oliaceous PETUNIA 4 



1. SOL ATOM, Pliny. Calyx and corolla 5-parted or -cleft, the latter 

 rotate or nearly so, and valvate in the bud. Filaments short: anthers 

 distinct but connivent; the cells with a terminal opening. Style long: 

 stigma entire. Fruit a berry, containing many flattened seeds. 



1. S. VILLOSUM, Lain. Annual, stoutish, depressed, the branches 1 

 ft. long, somewhat flexuous, and with one or more slight angles, the 

 whole plant villous-hirsute : leaves rhombic-ovate, 1 in. long or more, 

 strongly sinuate-dentate: corolla white, minute: berries of a, clear deep 

 green when ripe, and half invested by the shallow -campanulate calyx. In 

 fields and gardens. 



2. S. ALATUM, Moench. Similar to the last, but with angular stem 

 and red berries. Said to have been found about San Francisco Bay; 

 but we doubt the identification. 



3. S. Douglasii, Dunal. Somewhat shrubby, widely branching, and 

 even half climbing by the rough angles of the branchlets, 3^-5 ft. high : 

 leaves ovate with cuneate base, 12 in. long, nearly entire : corolla 

 bluish, 35 lines wide: berries black. Plentiful along stream banks and 

 elsewhere in half shady places; flowering and fruiting in many instances 

 almost throughout the year. 



4. S. umbelliferum, Esch. Stoutish cinereous and tomentose-pubes- 

 cent shrub, 34 ft. high: leaves thin, ovate or obovate, or oblong, obtuse 

 entire, acute or cuneate at base, 12 in. long: umbels short-peduncled, 

 few-flowered: corolla about % in. broad, deep blue, with greenish spots at 



