GENTIANACEiE. (GENTIAN FAMILY.) 349 



der-subulate, very much sJiorter than the white corolla ;, style 2-parted. — Pine 

 barrens, S. Va. (!) to Pla. 



* * C'orulla 9> - \2-parted , large (about 2' Iroad). 



iO. S. chloroides, Pursh. Stem (1-2° high), loosely panicled above; 

 peduncles slender, 1-flowered ; leaves oblong-lanceolate ; calyx-lobes linear, 

 half the length of the deep rose-colored (rarely white) corolla. — Borders of 

 brackish ponds, Mass. to Fla. and Ala. 



3. Etr STOMA, Salisb. 



Calyx 5- (rarely 6-) parted ; its lobes long-acuminate, with carinate midrib. 

 Corolla campauulate-fuuuel-form, deeply 5 - 6-lobed. Anthers oblong, versa- 

 tile, straight or recurving in age. Style filiform, nearly persistent ; stigma of 

 2 broad lamellae. — Glaucous large-flowered annuals, with more or less clasp- 

 ing and connate leaves, and slender terminal and more or less paniculate 

 1-flowered peduncles. (From eu, )cell, and aro/xa, mouth, alluding to the open- 

 mouthed corolla.) 



1 . E. RusseUianum, Griseb. One or two feet high ; leaves from ovate- 

 to lanceolate-oblong; lobes of lavender-purple corolla obovate (1^' long), 4 

 times longer than the tube ; anthers hardly curving in age. — Neb. to Tex. 



4. GENTIAN A, Toum. Gentian. 



Calyx 4 - .5-cleft. Corolla 4 - 5-lobed, regular, usually with intermediate 

 plaited folds, which bear appendages or teeth at the sinuses. Style short or 

 none; stigmas 2, persistent. Capsule oblong, 2-valved , the innumerable seeds 

 either borne on placentae at or near the sutures, or in most of our species cover- 

 ing nearly the whole inner face of the pod. — Flowers solitary or cymose, 

 showy, in late summer and autumn. (Name from Gentius, king of Illyria, 

 who used some species medicinally.) 



§ 1. GENTIANELLA. Corolla {not rotate) destitute of extended plaits or 

 lobes or teeth at the sinuses ; root annual. 



* (Fringed Gentians.) Flowers large, solitarij on long terminal peduncles, 

 mostly 4-7nerous ; corolla campanulate-funnel-form, its lobes usually fimbriate 

 or erose, 7iot crowned; a row of glands between the bases of the filaments. 

 Autumn fiowering . 



1. G. crinlta, Froel. Stem 1 -2° high; leaves lanceolate or ovate-lanceo- 

 late from a partly heart-shaped or rounded base ; lobes of the 4-cleft calyx 

 unequal, ovate and lanceolate, as long as the bell-shaped tube of the blue co- 

 rolla (2' long), the lobes of Avhich are icedge-obovate , and strongly fringed around 

 the summit; ovary lanceolate. — Low grounds, N. Eng. to the Dakotas, south 

 to Iowa, Ohio, and in the mountains to Ga. 



2. G. Serrata, Gunner. Stem .3-18' high; leaves linear or lanceolate- 

 linear ; lobes of the 4- (rarely 5-) cleft calyx unequal, ovate or triangular and 

 lanceolate, pointed ; lobes of the sky-blue corolla spatulate-oblong, with ciliate- 

 fringed margins, the fringe shorter or almost obsolete at the summit; ovary ellip- 

 tiad or obovate. (G. detonsa. Manual.) — ]Moist grounds, Xenf. and W. New 

 York, to Iowa and Minn., north and westward. 



