614 



GENTIANACEAE. 



[VOL. II. 



Gentiana detonsa Rottb. Smaller Fringed Gentian. (Fig. 2868.) 



Genliana detonsa Rottb. Act. Hafn. 10: 254. pi. i. 



1770. 

 Gentiana serrata Gunner. PI. Norv. X 101. 1772. 



Annual; similar to the' preceding species but 

 smaller; stem simple, or" little branched, 3'-i8' 

 high. Basal and lower leaves spatulate, obtuse, 

 the upper linear or linear-lanceolate, i'-2^' 

 long, 2"-4 // wide; flowers 1-6, solitary at the 

 ends of elongated erect peduncles, mostly 4- 

 parted, about i%' high; calyx-lobes lanceolate, 

 acuminate, their midribs decurrent on the tube; 

 corolla narrowly campanulate, its lobes spatu- 

 late-oblong, strongly fringed on both sides, en- 

 tire or somewhat fimbriate or toothed around 

 the apex; capsule short-stipitate; seeds scaly- 

 hispid. 



In wet places, Newfoundland to Alaska, south to 

 Anticosti, western New York, Minnesota, in the 

 Rocky Mountains to Arizona and in the Sierra 

 Nevada. Also in northern Europe and A-ia. 

 July-Sept. 



4. Gentiana actita Michx. Northern Gentian. (Fig. 2869.) 



Gentiana acuta Michx. Fl. Bor. Am. i: 177. 1803. 

 Gentiana Amarella var. acuta Herder, Act. Hort. 



Petrop. i: 428. 1872. 



Annual; stem leafy, slightly wing-angled, simple 

 or branched, 6 / -2o / high. Basal and lower leaves 

 spatulate or oborate, obtuse, the upper lanceolate, 

 acuminate or acute at the apex, rounded or subcor- 

 date at the base, sessile, or somewhat clasping, #'-2' 

 long; flowers numerous, racemose -spicate, $"-8" 

 high, the pedicels 2"-6" long, leafy-bracted at the 

 base; calyx deeply 5-parted (rarely 4-parted), its 

 lobes lanceolate; corolla tubular-campanulate, 5- 

 lobed (rarely 4-lobed), blue, its lobes lanceolate, 

 acute, each with a fimbriate crown at the base; cap- 

 sule sessile. 



In moist or wet places, Labrador to Alaska, Quebec, 

 Minnesota, south in the Rocky Mountains to Arizona 

 and Mexico, and in the Sierra Nevada. Also in Europe 

 and Asia. Perhaps not specifically distinct from the 

 Old World G. Amarella. Felwort. Summer. 



5. Gentiana propinqua Richards. Four- 

 parted Gentian. (Fig. 2870. ) 



Gentiana propinqua Richards. Frank. Journ. 734. 1823. 



Stems slender, usually branched from the base and 

 sometimes also above, slightly wing-angled, 2 / -7 / high. 

 Basal leaves spatulate, obtuse, the upper distant, oblong 

 or lanceolate, J^'-i^' long, acute or obtusish at the 

 apex, rounded at the slightly clasping base, obscurely 

 3-nerved; flowers few or several, solitary on slender 

 peduncles, mostly 4-parted, 8 // -io // high; calyx 4- 

 cleft, 2 of the lobes oblong, the others linear-lanceo- 

 late; corolla blue or bluish, glandular within at the 

 base, its lobes ovate-lanceolate, entire or denticu- 

 late ; capsule linear, at length a little longer than 

 the corolla. 



Labrador to Alaska and British Columbia. Summer. 



