GKNTIANACE.E. (GENTIAN FAMILY.) ''> ~> 1 



erect or converging, short and broad, but distinct, and more or less longer than 

 the conspicuous 2-cleft and minutely toothed appendages. Moist woods, N. Y. 

 and N. J. to Minn., south to Fla. and La. 



8. G. Andrews!!, Griseb. (CLOSED G.) Stems upright, smooth ; leaves 

 ovate-lanceolate aiid lanceolate from a narrower base, gradually pointed ; calyx- 

 lobes lanceolate to ovate, recurved, shorter than the top-shaped tube, and much 

 shorter than the more oblong and truncate mostly blue corolla, which is closed 

 at the mouth, its proper lobes obliterated, the apparent lobes consisting of the 

 broad fringe-toothed and notched appendages. Moist ground, N. Eng. to 

 Minn., south to N. Ga. Corolla blue with white plaits, or sometimes all white. 



i- *- Marc/ins of leaves, bracts, etc., smooth and naked ; terminal flower-cluster 

 leafy-involucrate ; seeds winged. 



9. G. alba, Muhl. Stems upright, stout ; flowers sessile and crowded in 

 a dense terminal cluster ; leaves ovate-lanceolate from a heart-shaped closely 

 clasping base, gradually tapering ; calyx-lobes ovate or subcordate, many times 

 shorter than the tube of the corolla, reflexed-spreading ; corolla white more or 

 less tinged with greenish or yellowish, inflated-club-shaped, at length open, its 

 short and broad ovate lobes twice the length of the broad toothed appendages. 

 Low grounds and mountain meadows, Ont. to 111., Ky., and Va. 



10. G. linearis, Froel. Stems slender and strict, 1-2 high; flowers 

 1 -5 in the terminal cluster; leaves linear or narrowly lanceolate, with some- 

 what narrowed base ; bracts sometimes very finely scabrous ; calyx-lobes lin- 

 ear or lanceolate ; corolla blue, narrow funnel-form, its erect roundish-ovate 

 lobes little longer than the triangular acute appendages. (G. Saponaria, var. 

 linearis, (j'ray.) Bogs, mountains of Md. to N. Y., N. Eng., and northward. 



Var. lanceolata, Gray. Leaves lanceolate, or the upper and involucrate 

 ones almost ovate-lanceolate , appendages of corolla sometimes very short and 

 broad. Minn, and L. Superior; also Herkimer Co., N. Y. 



Var. latifolia, Gray. Stout , leaves closely sessile, not contracted at base, 

 the lowest oblong-linear, the upper ovate-lanceolate ; appendages broad, acute 

 or subtruncate. L. Superior; X. Brunswick (flowers blue). 

 *-!-- Calyx-lobes and bracts with smooth margins or nearly so ; seeds com- 

 pletely mar a Mess. 



11 G. ochroleuca, Froel. Stems ascending, mostly smooth; leaves 

 obovate-obloug, the lowest broadly obovate and obtuse, the uppermost some- 

 what lanceolate, all narrowed at base , calyx-lobes linear, unequal, much 

 longer than its tube, rather shorter than the greenish-white open corolla, 

 which is painted inside with green veins and lilac-purple stripes; its lobes 

 ovate, very much exceeding the small and sparingly toothed oblique appen- 

 dages. Dry or damp grounds, Peuu. to Fla. and La. 



* * * Anthers not connected ; JJowers terminal, solitary, commonly peduncled 



and naked ; seeds wingless. 



12. G. angUStifolia, Michx. Stems slender and ascending (6- 15' high), 

 mostly simple; leaves linear or the lower oblanceolate, rigid ; corolla open- 

 funnel-form (2' long), azure-blue, also a greenish and white variety, about 

 twice the length of the thread-like calyx-lobes, its ovate spreading lobes twice 

 as long as the cut-toothed appendages. Moist pine barrens, N. J. to Fla. 



