Vol.. II.] 



GENTIAN FAMILY. 



12. Gentiana flavida A. Gray. Yel- 

 lowish Gentian. (Fig. 2877.) 



Gentiana flavida A. Gray, Am. Journ. Sci. (II.) 



1:80. 1846. 

 G. alba A. Gray, Man. 360. 1848. Not Muhl. 1818. 



Perennial; stem stout, terete, glabrous, sim- 

 ple, erect or ascending, i-3 high. Leaves 

 ovate-lanceolate or oblong-lanceolate, smooth- 

 margined, acuminate at the apex, subcordate, 

 clasping or rounded at the base, 2 / -5 / long, 

 i / -2 / wide; flowers several or numerous in a 

 sessile terminal cluster and sometimes i or 2 

 in the upper axils, i%'-2' high, 2-bracteo- 

 late under the calyx; calyx-lobes ovate, acute, 

 smooth or minutely rough-margined, shorter 

 than the tube; corolla campanulate-funnel- 

 form, open, greenish or yellowish white, its 

 lobes ovate, acute or obtuse, twice as long as the 

 erose-denticulate appendages; anthers coher- 

 ing in a tube; capsule stipitate; seeds winged. 



In moist soil, Ontario to Virginia, Minnesota 

 and Kentucky. Aug. -Oct. 



13. Gentiana linearis Froel. Narrow- 

 leaved Gentian. (Fig. 2878.) 



Gentiana linearis Froel. Gent. 37. 1796. 

 Gentiana Saponaria var. linearis Griseb. in Hook. 

 Fl. Bor. Am. 2: 55. 1834. 



Perennial; glabrous throughout; stem slender, 

 terete, simple, 6 / -2 high, leafy. Leaves linear 

 or linear-lanceolate, smooth-margined, acute at 

 both ends, 3-nerved, 1%'-$' long, 2 // ~5 // wide; 

 flowers i'-i%' high in a terminal cluster of 1-5 

 and sometimes also in the upper axils; calyx- 

 lobes linear or lanceolate, shorter than the tube; 

 corolla erect, blue, oblong-funnelform, open, its 

 lobes erect, rounded, i // -2 // long, slightly 

 longer than the entire or i-2-toothed appen- 

 dages; anthers coherent in a tube, or at length 

 distinct; capsule stipitate; seeds winged. 



In bogs and on mountains, New Brunswick and 

 Ontario to Maryland. Ascends to 5000 ft. in the 

 Adirondacks. Aug.-Sept. 



14. Gentiana rubricaulis Schwein. 

 Red-stemmed Gentian. (Fig. 2879.) 



Gentiana rubricaulis Schwein. in Keating's Narr. 



Long's Exp. 2: 384. 1824. 

 Gentiana linearis var. lanceolata A. Gray, Syn. Fl. 



2: Part i, 123. 1878. 

 Gentiana linearis var. latifolia A. Gray, Proc. Am. 



Acad. 22: 309. 1887. 



Perennial; glabrous; stem terete, i-2 high. 

 Leaves rather distant, lanceolate or ovate-lan- 

 ceolate, acuminate, rounded at the base, smooth- 

 margined, 2 / ~3 / long, the lower narrower and 

 obtuse; flowers about i^' high in a sessile 

 terminal cluster, 2-bracteolate under the calyx; 

 calyx-lobes unequal, the larger about as long 

 as the tube; corolla greenish blue or bright blue, 

 club-shaped, its lobes ovate, acute or acutish, 

 much longer than the broad i-2-toothed appen- 

 dages; anthers coherent, or at length distinct; 

 seeds oblong, winged. 



In wet soil, New Brunswick to central New York, 

 western Ontario and Minnesota. Aug.-Sept. 



