238 GENTIANACE^E. 



H. deflexa Griseb.: stem erect, leafy; leaves 3 5-nerved; lower ones 

 oblong-spatulate, attenuated into a petiole as long as the lamina ; cauline 

 oblong-lanceolate, subsessile, acute ; spurs cylindric, obtuse, deflexed, half as 

 long as the corolla. (D. C.) Swertia deflexa Smith. S. corniculata Mick. 



Swamps. Can. and N. Y. N. to Hudson's Bay. W. to the Rocky Moun- 

 tains. Aug. (p). Stem 18 inches high, 4-angled. Leaves about an inch long, 

 Flowers blue, in terminal cymes and subterminal whorls. The plant turns 

 nearly black in drying. Deftexed Halenia. Felwort. 



3. SWERTIA. Linn. Swertia. 



(In honor of Emanuel Sv:eert, gardener to the Emperor Rudolphus II.) 



Calyx 4 5 -parted. Corolla rotate, 4 5 -parted ; the seg- 

 ments with 2 glanduliferous fimbriate pores at the base of each. 

 Stamens 4 5. Stigmas reniform, mostly 2-lobed (rarely 2, 

 distinct.) Style none. Capsule 1 -celled, 2-valved, many- 

 seeded. 



S 1 . pusitta Pursh : stem simple, 1-flowered ; leaves few, small, oblong ; 

 corolla twice as long as the calyx ; the segments oblong, acuminate. 



White Hills, N. H. June. Pursh. (T) ? N. to Labrador. Stem about an 

 inch high. Leaves 1 or 2 pairs, small. Flowers large, blue. It is still doubtful 

 whether it belongs to this genus. Small Swertia. 



4. FRASERA. Walt. Frasera. 



(In honor of John Fraser, a collector of North American plants.) 

 Calyx 4-parted. Corolla deciduous, rotate, 4-parted, with 1 

 or 2 fringed glands on each lobe. Stamens 4. Styles united. 

 Stigmas 2. Capsule compressed, 1 -celled, 2-valved. Seeds 

 few, large, winged. 



F. Caroliniensis Walt. : stem smooth ; leaves opposite and whorled ; 

 panicle elongated ; glands oval-orbicular, one on each lobe of the corolla. 

 F. WaUeri Mich. F. verticillata Muhl. 



Swamps. Near Fairfield, Herkimer county, N. Y. Prof. Hadley. Moscow, 

 Livingston county. Dr. Bradley. S. to Car. ; rare. July. (). Stem 3 6 

 feet high, nearly square, branched, furrowed. Leaves smooth, usually whorled, 

 sometimes opposite, oblong-lanceolate. Flowers on whorled peduncles, greenish- 

 yellow. Peduncles 1-flowered. The root of this plant is esteemed as a bitter 

 tonic. See U. S. Dispensatory. . American Columbo. 



5. SABBATIA. Adans. Sabbatia. 

 (In honor of Liberatus Sabbati, an Italian botanist.) 



Calyx 5 12-parted. Corolla rotate, 5 12-parted. Sta- 

 mens 5 12. Anthers at length re volute. Stigmas 2, spiral. 

 Capsule 1-celled, 2-valved. 



1. S. stettaris Pursh: stem slightly angular, dichotomously branched j 

 branches elongated, 1-flowered ; leaves sessile, ovate-lanceolate, somewhat 



