5. Dasystephana Andrewsii (Griseb.) Small Closed Blue Or Blind Gentian

Fig. 3357

?Gentiana alba Muhl. Cat. Ed. 2, 29. 1818. ?Genliana clausa Raf. Med. Fl. 1: 210. 1832. G. Andrewsii Griseb. in Hook. Fl. Bor. Am. 2: 55. 1834. D. Andrewsii Small, Fl. SE. U. S. 930. 1903.

Perennial; stout, glabrous, 1°-2° high, simple leafy. Leaves ovate to lanceolate, 3-7-nerved, acu minate at the apex, narrowed or sometimes rounded at the base, 2'-4' long, rough-margined, the lowest oblong or obovate, smaller; flowers 1'-1 1/2' high in a terminal sessile cluster and commonly 1 or 2 in the upper axils, 2-bracteolate under the calyx calyx-lobes lanceolate or ovate, ciliolate, usually spreading; corolla oblong, club-shaped, blue, 0r occasionally white, nearly or quite closed, its lobes obsolete, the intervening appendages very broad light colored, opposite the stamens; anthers coher ing in a tube; capsule stipitate; seeds oblong winged.

In moist soil, Quebec to Manitoba, Georgia and Ne braska. Cloistered-heart. Bottle- or barrel-gentian Aug.-Oct.

5 Dasystephana Andrewsii Griseb Small Closed Blue  285 Dasystephana Andrewsii Griseb Small Closed Blue  29

6. Dasystephana Flavida (A. Gray) Brit-Ton. Yellowish Gentian

Fig. 3358

G. 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, simple, erect or ascending, 1°-3° high. Leaves ovate-lanceolate or oblong-lanceolate, smooth-margined, acuminate at the apex, subcordate. clasping or rounded at the base, 2'-5 long, 1'-2'wide; flowers several or numerous in a sessile terminal cluster and sometimes 1 or 2 in the upper axils, 1 1/2-2' high, 2-bracteolate under the calyx; calyx-lobes ovate, acute, smooth or minutely rough-margined, shorter than the tube, at length spreading; corolla campanulate-funnelform, open, greenish or yellowish white, its lobes ovate, acute or obtuse, twice as long as the erose-denticulate appendages; anthers cohering in a tube; capsule stipitate; seeds winged.

In moist soil, Ontario to Minnesota, Missouri, Virginia and Kentucky. Aug.-Oct.

7. Dasystephana Linearis (Froel.) Britton. Narrow-Leaved Gentian

Fig. 3359

Gentiana linearis Froel. Gent. 37. 1796.

Gentiana Saponaria var. linearis Griseb. in Hook. Fl.

Bor. Am. 2: 55. 1834. Gentiana rubricaulis Schwein. in Keating's Narr.

Long's Exp. 2: 384. 1824. Gentiana linearis var. lanceolata A. Gray, Syn. Fl. 2:

Part 1, 123. 1878.

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 1/2'-3' long, 2"-5" wide; flowers 1'-1 3/4 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, 1"-2" long, slightly longer than the entire or 1-2-toothed appendages; anthers coherent in a tube, or at length distinct; capsule stipitate; seeds winged.

In bogs and on mountains, New Brunswick and Ontario to Maryland and Minnesota. Ascends to 5000 ft. in the Adirondacks. Aug.-Sept.

7 Dasystephana Linearis Froel Britton Narrow Leave 307 Dasystephana Linearis Froel Britton Narrow Leave 31