CICHORIACEAE. 889 



3-5 cm. wide; stem leaves sessile, oblong, lanceolate, or spatulate. obtuse, the upper- 

 most gradually smaller and acutish; flowers pale blue, 8-10 mm. long, race- 

 mose-spicate, bracts linear, entire; calyx-tube turbinate, usually glabrous, shorter 

 than its subulate spreading lobes; corolla-tube about 5 mm. long and 2 mm. thick. 

 In dry, mostly sandy soil, or in meadows, N. S. and Ont. to the N. W. Terr., 

 N. C., La. and Ark. June-Aug. 



Lobelia spic&ta hirtella A. Gray. Rough or roughish; bracts and calyx-lobes hirsute 

 or ciliate. Manitoba to the N. W. Terr., south to Mich, and Kans. 



Lobelia spic^ta parvifl6ra A. Gray. Glabrous or nearly so; stem low, very slender; 

 flowers only about'C mm. long; calyx-lobes broadly subulate. In swamps, Lancaster, Pa. 



9. Lobelia leptostachys A. DC. SPICKED LOBELIA. (I. F. f. 3508.) Sim- 

 ilar to the preceding species; stem usually stouter, puberulent or glabrous, 6-12 

 dm. high. Basal leaves oval or obovate, obtuse; stem leaves spatulate, oblong, or 

 lanceolate, obtuse, sometimes slightly scabrous, denticulate or entire, or the upper- 

 most narrower and acute; bracts linear, glabrous; pedicels very short; calyx-lobes 

 linear-subulate, nearly as long as the corolla-tube; flowers blue, 8-10 mm. long. 

 In dry soil, Va. to Ohio and 111., Ga. and Kans. June-Aug. 



10. Lobelia inflata L. INDIAN TOBACCO. WILD TOBACCO. (I. F. f. 3509.) 

 Annual, pubescent or hirsute, very acrid; stem leafy commonly paniculately 

 branched, 3-9 dm. high. Leaves thin, repand-dentate or denticulate, the lower 

 oval or obovate, obtuse, 3-6 cm. long, narrowed into short petioles, the upper 

 sessile, oval, oblong, ovate, or ovate-lanceolate, obtuse, or the uppermost acute; 

 flowers light blue, 4-6 mm. long, lower bracts foliaceous, the upper subulate; calyx 

 glabrous or nearly so, its subulate lobes about as long as the corolla; capsule in- 

 flated, 6-8 mm. long, finely transversely veined between the ribs. In fields and 

 thickets, Lab. to the N. W! Terr., Ga., Neb., Ark. and Kans. July-Nov. 



11. Lobelia Kalmii L. BROOK OR KALM'S LOBELIA. (I. F. f. 3510.) 

 Perennial by short offsets, glabrous throughout, or sparingly pubescent below; 

 stem leafy, erect, slender, 15-25 cm. high. Lower and basal leaves spatulate, 

 obtuse, short-petioled, sparingly repand-denticulate, or entire, 12-25 mm. long, 

 3-5 mm. wide; upper leaves sessile, linear, linear-oblong, or narrowly spatulate, 

 the uppermost acute; flowers light blue, 8-10 mm. long; lower bracts linear-lanceo- 

 late, the upper subulate; pedicels nearly filiform; calyx-lobes lanceolate -subulate, 

 longer than the turbinate tube, the sinuses not appendaged; capsule wholly in- 

 ferior, not inflated, campanulute or subglobose, about 4 mm. long. On wet 

 banks, and in wet meadows, N. S. to N. J., west to Ont., the N. W. Terr., Ohio 

 and Mich. July-Sept. 



12 Lobelia Nuttallii R. & S. NUTTALL'S LOBELIA. (I. F. f. 3511.) An- 

 nual, or perhaps biennial, glabrous throughout, or puberulent below; stem weak, 

 usually reclining, very slender, loosely branched, at least when old, 3-9 dm. long. 

 Basal leaves spatulate to oval, obtuse, mostly petioled, 12-25 mm< l n g slightly re- 

 pand, or entire; stem leaves distant, linear, linear-oblong, or slightly spatulate, entire 

 or sparingly glandular-denticulate; flowers pale blue, loosely racemose; bracts linear 

 or the upper subulate; calyx-lobes subulate, longer than the depressed-hemispheric 

 strongly ribbed tube, the sinuses unappendaged; capsule depressed-globose, half- 

 inferior, about 2mm. long. Sandy soil, L. I. to Penn., Fla. and Ga. June-Sept. 



13. Lobelia Canbyi A. Gray. CANBY'S LOBELIA. (I. F. f. 3512.) Annual, 

 slightly puberulent, usually glabrous; stem erect, slender, 6-9 dm. high. Stem 

 leaves linear or linear-oblong, 1-4 cm. long, 1-3 mm. wide, the lower obtuse, 

 sometimes slightly repand-denticulate, the upper acute, narrower, entire; flowers 

 racemose, blue; lower bracts linear, the upper subulate; calyx-lobes linear-subu- 

 late, glandular-denticulate, equalling or somewhat longer than the narrowly turbi- 

 nate tube, mostly shorter than the tube of the corolla; capsule oblong-turbinate, 

 4 mm. long, shorter than the calyx-tube. Swamps, N. J. to S. Car. July-Sept. 



Family 3. CICHORIACEAE Reichenb. 

 Chicory Family. 



Herbs (two Pacific Island genera trees), almost always with milky, acrid or 

 bitter juice, alternate or basal leaves, and yellow, rarely pink, blue, purple, or 



