GLNTIAXACK.i:. (<;ENTIAN FAMILY.) 349 



(fer-subulate, very much shorter than the white corolla; st \ Ic 2-j)artetl. — Piue 

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



* * Corolla 8-\2-partcd, large {about 2' broad). 



10. S. Chloroides, Pursh. Stem (1 -2° higli), loosely pauided above; 

 peilmicks slcudcr, l-llo\vered; leaves obloug-lanceohito ; calyx-lobes liuear, 

 luilf the leugtli of the deep rose-colored (rarcdy white) corolla. — Borders of 

 brackish ponds, Mass. to Fla. and Ala. 



3. EtrSTOMA, Srilisb. 



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

 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 lamelke. — Glaucous large-flowered annuals, with more or less clasp- 

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

 1-tlowered peduncles. (From e5, icell, and (rrdixa, moafh, alluding to the open- 

 mouthed corolla.) 



1. E. Russelli^num, Oriseb. ( )nc or two feet high ; leaves from ovate- 

 to lanceolate-oblong; lobes of lavender-purple corolla obovate (H' 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 witli 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 Geutius, 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 lanje, solitan/ on long terminal peduncles, 

 mostli/ 4-merous ; corolla campanulate-funnel-form , its lobes usualli/ Jimbriate 

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

 Autumn-Jloircring. 



1. G. crinita, Froel. Stem 1 -2° high; leaves lanceolate or orate-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 iced ge-obovate, and strongly fringed around 

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

 Ohio, and in the mountains to Ga. 



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

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

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

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

 tical or obovate. (G. deton.sa, .}f(tnual.) — Moi.st gr<»nnds, Ne»vf. and W. New 

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



