238 GENTIANACE^. 



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

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

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

 long as the corolla. (£>. C.) Swertia deflexa Smith. S. corniculoM Mich. 



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 wiiorls. The plant turns 

 nearly black in drying. Deflexed Halenia. Felwort. 



3. SWERTIA. Z.m7i.— Swertia. 



(In honor of Emanuel Stveert, 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. 



5". jmsilla 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. ® ? N. to Labrador.— Sfm 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. W^aZ^.— 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 smoofh ; leaves opposite and whorled ; 

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

 P. Walteri 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. ^^«?^s.— Sabbatia. 

 (In honor of Liberatvs Sahbati, an Italian botanist.) 



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

 mens 5 — 12. Anthers at length revolute. Stigmas 2, spiral. 

 Capsule 1-celled, 2-valved. 



1. S. stellaris Pursh: stem slightly angular, dichotomously branched; 

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



