GENTIANE^E. 241 



3. FRASERA. Walt. 



Calyx deeply 4-parted. Carol 4-parted, spreading ; seg- 

 ments oval, with a bearded orbicular gland in the middle of 

 each. Stamens 4. Capsule compressed, partly margined, 

 1-ceiled. Seeds few, imbricate, large, elliptic, with a mem- 

 branaceous margin. Tetrandria. Monogynia. 



F. icalteri Mich. F. caroliniensis Walt. F. verticillata Muhl. 



HAB. Swamps. N.Y. to Car. 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 



This rare and interesting plant has been found by Prof. Hadley 

 in the vicinity ofFairfield, N. Y. Medicinal. 



American Columbo, 



4. SABBATIA. Adans. 



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

 mens 5. Anthers at length ' revolt! te. Stigmas %, spiral. 

 Capsule 1-celled, 2-valved. Pentandria. Monogynia. 



1. & campanulata Toir. : stem terete ; leaves' linear-lanceolate, 

 smooth ; calyx as long as the corol. Chironia campanulata Linn. 



HAB. Wet grounds. Penn. to Car. July, Aug. < Stem a foot 

 high, terete, with long branches. Flowers terminal, subsolitary. 

 purple, on long peduncles. 



2. & etdlaris Pursh : stem terete, dichotomously branched ; branch- 

 es elongated, 1-flowered ; leaves sessile, lanceolate, acute ; segments 

 of calyx subulate, half as long as the corol ; segments of the corol ob- 

 ovate. & gracilis Ell. 



HAB. Salt marshes. N. Y. to Car. Aug. $ .Stem 1218 

 inches high. Leaves somewhat fleshy, obscurely 3-nerved. Flow- 

 ers solitary, at the extremity of the branches, forming a small 

 corymb, rose coloured. 



3. *S>. angularis Pursh : stem erect, square, somewhat winged ; leaves 

 ovate, clasping ; peduncles elongated, corymbed ; segments of the ca- 

 lyx lanceolate, much shorter than the corol. Chironia angularis Linn. 



HAB. Wet meadows. Can. to Car. Aug. and $. Stem 

 1 2 feet high, with opposite branches. Leaves obscurely 5- 

 nerved. Flowers rose coloured. American Centaury. 



4. $. calycosa Pursh : stem erect, leafy, few-flowered ; leaves ob- 

 long, 3-nerved ; flowers solitary, 7 9-parted ; calyx leafy, longer 

 than the corol ; segments oblanceolate. Chironia calyculosa Mich. 

 C. dichotoma Walt. 



HAB. Wet meadows. N. Y. to Car. Aug. $ . Stem & foot 

 high, slightly angled, with few branches. Leaves sessile, .oval, 

 thin. Flowers terminal, often solitary. 



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