GENTIANACE.E. (GENTIAN FAMILY.) 349 



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

 barrens, S. Va. (?) to Fla. 



* * Corolla 8-12-parted, large (about 2' broad). 



10. 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. EUSTOMA, Salisb. 



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

 Corolla campanulate-funnel-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 e3, well, and crr^ua, mouth, alluding to the open- 

 mouthed corolla.) 



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

 to lanceolate-oblong; lobes of lavender-purple corolla obovate (l" long), 4 

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



4. GENTIAN A, Tourn. 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, solitary on long terminal peduncles , 

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

 or erose, not crowned; a row of glands between the bases of the filaments. 

 Autumn-flowering. 



1. G. crinita, 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 which are wedge-obovate,and strongly fringed around 

 the summit; ouary 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- 

 tical or obovate. (G. detonsa, Manual.} Moist grounds, Newf. and W. New 

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



