GEN TIA NA CEA E. 733 



appendages in the sinuses. In moist soil, Minn, to Br. Col., N. Mex. and Nev. 

 Aug. -Oct. 



8. Gentiana puberula Michx. Downy Gentian. (I. F. f. 2873.) Stems 

 usually solitary, 2-4.5 dm. hign? puberulent, or glabrous. Leaves firm, lanceo- 

 late, or the lower oblong, indistinctly nerved, pale beneath, 2-8 cm. long; flowers 

 sessile or nearly so in the upper axils, rarely solitary and terminal, 2-bracteolate 

 under the calyx, 3-5 cm. high; calyx-lobes linear-lanceolate, about as long as the 

 tube; corolla campanulate-funnelform, 2-3 times as long as the calyx, its lobes 

 ovate, entire, spreading, much longer than the cleft or laciniate appendages. On 

 prairies, Ohio to the N. W. Terr., Ga. and Kans. Aug. -Oct. 



9. Gentiana parvifolia(Chapm.). Elliott's Gentian. (I. F. f„ 2874.) Roots 

 a cluster of thick fibres; stems minutely rough-puberulent, 2-5 dm. high. Leaves 

 ovate or ovate-lanceolate, acute or acutish, thin, 2-5 cm. long, 3-nerved, or the 

 lower much smaller and obtuse; flowers 1-4, terminal, or rarely in the upper 

 axils, about 5 cm. long, sessile; calyx-lobes oblong or lanceolate, foliaceous, longer 

 than the tube; corolla blue, its lobes ovate, entire, 6-8 mm. long, about twice as 

 long as the fimbriate or toothed appendages; seeds oblong, broadly winged. In 

 moist soil, Va. to Fla. Sept.-Oct. \G. Elliottii Chapm., not Raf.] 



10. Gentiana Saponaria L. Soap-wort Gentian. (I. F. f. 2875.) Stem 

 glabrous, or minutely rough-puberulent, 3-8 dm. high. Leaves lanceolate, ovate- 

 lanceolate or oblong, usually acute at both ends, 3-5 -nerved, 5-10 cm. long, the 

 lowest obovate and smaller; flowers 2.5-5 cm - high, in sessile terminal and usually 

 also axillary clusters; calyx-lobes oblong or spatulate, ciliolate; corolla blue, its 

 lobes erect, obtuse, equalling or longer than the appendages; seeds broadly winged. 

 In wet soil, Ont. to Minn., Conn., Fla. and La. Aug.-Oct. 



11. Gentiana Andrewsii Griseb. Closed or Blind Gentian. (I. F. f. 

 2876.) Similar to the preceding, stout, glabrous, 3-6 dm. high, simple. Leaves 

 ovate to lanceolate, 3-7-nerved, acuminate, 5-10 cm. long; flowers 2.5-3.5 cm - 

 high in a terminal sessile cluster and commonly 1 or 2 in the upper axils; calyx- 

 lobes lanceolate or ovate, ciliolate; corolla oblong, club-shaped, blue, or occasion- 

 ally white, nearly or quite closed, its lobes obsolete, the intervening appendages 

 very broad; seeds oblong, winged. In moist soil, Quebec to the N. \V. Terr., Ga. 

 and Mo. Aug.-Oct. 



12. Gentiana flavida A. Gray. Yellowish Gentian. (I. F. f. 2877.) 

 Stem stout, glabrous, simple, 3-9 dm. high. Leaves ovate-lanceolate or oblong- 

 lanceolate, acuminate, subcordate, clasping or rounded at the base, 5-13 cm. long; 

 flowers in a sessile terminal cluster and sometimes I or 2 in the upper axils, 

 3-5 cm. high; calyx-lobes ovate, acute; corolla campanulate-funnelform, open, 

 greenish or yellowish white, its lobes ovate, twice as long as the erose-denticulate 

 appendages. In moist soil, Ont. to Va., Minn, and Ky. Aug.-Oct. 



13. Gentiana linearis Froel. Narrow-leaved Gentian. (I. F. f. 2878.) 

 Glabrous; stem slender, terete, simple, 1.5-5 dm. "ig ft < leafy. Leaves linear or 

 linear-lanceolate, acute at both ends, 3-nerved, 3-8 cm. long; flowers 2.5-4.5 cm. 

 high in a terminal cluster of 1-5 and sometimes also in the upper axils; calyx- 

 lobes linear or lanceolate; corolla erect, blue, oblong-funnelform. open, its lobes 

 erect, rounded, 2-4 mm. long, slightly longer than the entire or 1-2-toothed 

 appendages. In bogs and on mountains, N. B. and Ont. to Md. Aug.-Sept. 



14. Gentiana rubricaulis Schwein. Red-stemmed Gentian. (I. F. f. 2879.) 

 Glabrous; stem terete, 3-6 dm. high. Leaves rather distant, lanceolate or ovate- 

 lanceolate, rounded at the base, 5-8 cm. lon^. the lower narrower and obtuse; 

 flowers 3-3.5 cm. high in a sessile terminal cluster; calyx-lobes unequal; corolla 

 greenish blue or bright blue, club-shaped, its lobes ovate, acute or acutish, much 

 longer than the 1-2-toothed appendages. In wet soil, N. B. to N. Y., Ont. and 

 Minn. Aug.-Sept. 



15. Gentiana villosa L. Striped Gentian. (I. F. f. 2880.) Glabrousor 

 nearly so; stem simple, terete, 1.5-5 dm. high- Leaves obovate, obtuse or the 

 upper acute, faintly 5 -nerved, 2-8 cm. lont^. the lower much smaller: flowers in a 

 terminal sessile cluster and sometimes also in the upper axils, nearly 5 cm. long; 

 calyx-lobes unequal, linear, longer than the tube; corolla greenish white, striped 

 within, oblong funnelform, open, its lobes erect, much longer than the oblique 



