GENTIAN ACE^E. 177 



2. Hal*- 11 la. Corolla 4-lobed, the lobes all spurred at the base. Flow- 



ers yellowish or purplish, somewhat cymose. 



3. Cieutia'na. Corolla not spurred, 4-5-lobed, mostly funnel-form or 



bell-shaped, generally with teeth or folds in the sinuses of the 

 lobes. Stigmas 2, persistent. Pod oblong. Seeds innumerable. 

 Flowers showy, in late summer and autumn. 



4. Mciiyau'tlies. A bog-plant. Corolla short, funnel-form, 5-lobed, 



densely white-bearded on the upper face. Leaves alternate, com- 

 pound, of 3 oval leaflets. The flowers in a raceme at the summit 

 of a naked scape, white or tinged with pink. 



5. Xdmnan'thenium. An aquatic, with simple round-heart-shaped 



floating leaves on long petioles. Corolla white, wheel-shaped, 

 5-parted, bearded at the base only. Flowers in an umbel borne on 

 the petiole. 



1. FRA'SERA, Walt. AMERICAN CoLUMBO. 

 F. Carolinien'Sis, Walt. Tall and showy. Leaves 

 whorled, mostly in fours. Boot thick. Flowers numerous 

 in a pyramidal panicle. Dry soil. 



2. HALE'NIA, Bork. SPURRED GENTIAN. 



H. deflex'a, Griseb. Stem erect, 9-18 inches high. Leaves 

 3-5-nerved, those at the base of the stem oblong-spathulate, 

 petioled ; the upper acute and sessile or nearly so. Spurs 

 of the corolla curved. Not common in Ontario ; common 

 on the Lower St. Lawrence. 



3. GENTIA'NA, L. GENTIAN. 



1. G. erini'ta, Froel. (FRINGED GENTIAN.) Corolla fun- 

 nel-form, 4-lobed, the lobes fringed on the margins ; no plaited 

 folds in the sinuses. Flowers sky-blue, solitary, on long 

 naked stalks, terminating the stem or simple branches. 

 Ovary lanceolate. Leaves lance-shaped or ovate-lanceolate. 

 Low grounds. 



2. G. deton'sa, Fries., (G. serrata, Gunner.) (SMALLER 

 FRINGED G. ) is distinguished from No. 1 by the shorter or 

 almost inconspicuous fringe of the corolla, the linear or 

 lance-linear leaves, and the broader ovary. Moist grounds, 

 chiefly in the Niagara District. 



3. G. QUinqueflo'ra, Lam. (FIVE-FLOWERED G.) Corolla 

 tubular-funnel-form, pale-blue, no folds in the sinuses. 



