254 SOLANACEiE. 



Wet woods. Penp- to Car. W. to Miss. May, June. %1 — Stem a foot 

 high. Leaves 3 — i inches long, thin and smoothish. Flowers blue, in terminal 

 racemes. Jagged Phacelia. 



3. COSMANTHUS. iV^Zte.— Cosmanthus. 

 (Etymology uncertain.) 

 Calyx 5-parted ; the sinuses naked. Corolla broadly cam- 

 panulate, caducous, 5-cleft; tube without scales. Filaments 

 slender, about as long as the corolla. Style bifid. Capsule 

 2-valved, septiferous in the middle. * Seeds 4 — 10, ovoid- 

 angular. 



* Lobes of the coroUa naked. fj^ 



1. C. parvijlorus D.C. : stem diffuse, pubescent; leaves subsessile, pinna- 

 tifid#r trifid, hairy on both sides, the uppermost sometimes undivided ; lobes 

 of the lower ones ovate or oblong, entire ; racemes solitary. Phacelia par- 

 vijlora Pursh. PoUmonium dubium WUld. 



Low grounds. Penn. Ohio, and Virg. May. Q.—Stem 6 — 8 inches high. 

 Flowers small, pale-blue; lobes of the corolla rounded, entire, somewhat hairy 

 on the outside. Stamens hairy at the base. Small-flowered Cosmanthm. 



** Lobes of the corolla fimbriale. 



2. C fimbriata Nolle : whole plant hairy ; stem ascending ; lower leaves 

 petiolate, pinnately divided, the segments few and entire ; upper sessile, pec- 

 tinate-pinnatifid ; the lobes oblong and entire ; racemes terminal, elongated, 

 few-flowered ; lobes of the calyx linear-lanceolate, half as long as the 

 corolla, (D. C.) Phacelia fimbriata Mich. 



Low grounds. Penn. to Geor. W. to Miss. May, June. (T). — Stem 8 — 12 

 inches high, ascending, slender, branched. Radical leaves with the lobes very 

 obtuse. Flowers pale-blue, in a simple terminal raceme, at first revolute, after- 

 wards erect. Fimbriate Cosmanthus. 



Order XC. SOLANACE^.— Nightshades. 



Calyx 5- seldom 4-parted, persistent. Corolla with the limb 

 5- seldom 4-cleft, mostly regular, deciduous. Stamens inserted 

 upon the corolla, as many as the segments of the limb. Ovary 

 2 -celled ; style continuous ; stigma simple. Fruit a capsule or 

 berry. Seeds numerous, with the embryo straight or curved, 

 in fleshy albumen. — Herbaceous plants or shrubs, with alternate 

 undivided or lobed leaves. Inflorescence various. 



» * Fruit a berry. 

 1. SOLANUM. Linn.— Nightshside. 

 (Etymology uncertain.) 

 Calyx 5 — 10-parted. Corolla rotate or subcampanulate ; 

 limb plaited, 5 — 10-cleft. Stamens 5. Filaments very sh1)rt; 



