GKNTIANACEJE. 113 



a. HAT.E'XIA, Borkh. SPURRED GENTIAN. 

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

 -To-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'XA, L. GENTIAN. 



1. G. crini'ta, Frcel. (FRINGED GENTIAN.) Corolla funnel- 

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

 the sinuses. Flowers sky-blue, solitary on long naked sta/ks ter- 

 minating the stem or simple branches. O vary lanceolate. Leaves 

 lance-shaped or ovate-lanceolate. Low grounds. 



2. G. deton'sa, Fries., (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. quinquefio'ra, Lam. (FIVE-FLOWERED G. ) Corolla tubu- 

 lar-funnel-form, pale-blue, no folds in the sinuses. Calyx o-cleft, 

 the lobes awl-shaped. Lobes of the corolla triangular-ovate, 

 bristle-pointed. Anthers separate. Stem slender and branching, 

 a foot high, the branches racemed or panicled, about 5-flowered 

 at the summit. Dry hill-sides. 



4. G. alba, Muhl. (WHITISH G. ) Corolla inflated-club-shaped, 

 at length open, 5-lobed, the lobes about twice as long as the 



toothed appendages in the sinuses. Flowers greenish-white, or 

 yellowish, sessile, crowded in a terminal cluster. Anthers usually 

 cohering. Leaves lance-ovate, with a clasping heart-shaped 

 base. Low grounds. 



5. G. Andrews!!, Griseb. (CLOSED G.) Corolla inflated- 

 club-shaped, closed at the mouth, the apparent lobes being really 

 the large fringecl-toothed appendages. Flowers blue, in a close 

 sessile terminal cluster. Anthers cohering. Leaves ovate-lanceo- 

 late from a narrower base. Low grounds ; common northward, 

 flowering later than No. 3. 



4. MENYAN'THES, Toum. BUCKBEAN. 



M. trifolia'ta, L. A common plant in bogs and wet places 

 northward. The bases of the long petioles sheathe the lower 



