Gentiana. GENTIANACE^. 117 



++ ++ Corolla (sky-blue, occasionally white) conspicuoush' longer than the wingless calyx: 

 autunni-tiowering. 



G. crinita, Proel. A foot or two high, often paniculate-corymbose, leafy : leaves lanceo- 

 late or ovate-lanceolate from a rounded or subcordate partly clasping base : salient narrow 

 keels of the calyx-lobes conspicuously decurrent on the tube: corolla 2 inches long; its 

 lobes cuneate-obovate, strongly fimbriate around the summit, less or hardly so down the 

 narrowing sides : capsule fusiform, conspicuously stipitate : seeds squamulose-roughened. 

 — Gent. 112; Bot. Mag. t. 2031; Bart. Fl. Am. Sept. iii. t. 80. G. ciltata Americana,!,. 

 G.fimbriata, Andr. Bot. Rep. t. 509. Gentlanella crinita, Don, Syst. iv. 179. — Low grounds, 

 Canada to Dakotah and southward to the mountains of Georgia. 



G. serrata, Gunner. Stem 3 to 18 inches high : leaves linear or lanceolate-linear : 

 corolla an inch to an inch and a half long ; its lobes oblong or spatulate-obovate, erosely 

 fimbriate or toothed around the summit and sides, or sometimes either part nearly bare : 

 capsule short-stipitate : seeds and calyx nearly as in G. crinita. — Fl. Norveg. 10 (also 

 under G. ciliata, 88, t. 2), & Fl. Dan. t. 317 ; Fries, Summ. Scand. 190; Gray, Bot. Calif, i. 

 481. G. detonsa, Rottb. Act. Hafn. x. 254, t. 1 ; Griseb. 1. c. ; Torr. Fl. N. Y. ii. t. 82. G. 

 ciliata, Pall. Fl. Ross. ii. t. 92, not L. G. barbata, Froel. Gent. 114. G. brachi/petala, Bunge, 

 Consp. Gent, in Mem. Mosq. 1824, 225, t. 1. — Wet grounds, Newfoundland, Canada, and 

 N. W. New York to Saskatchewan and northward, and west to Colorado and W. Nevada, 

 mainly the larger and most fimbriate form, G. detonsa, var. barbata, Griseb., &c. (Siberia to 

 Norway and Greenland.) 



Var. grandis, a form with stem 2 feet high or more, and corolla 2 inches long, a por- 

 tion only of the sides of the lobes coarsely fimbriate. — G. detonsa, Torr. Bot. Mex. Bound. 

 157. — S. E. Arizona, between Barbacoraori and Santa Cruz, Thurber, Wrigld. (Perhaps G. 

 crinita, var. Ccrvantesii, Griseb. in DC. 1. c. Mexico.) 



Var. holopetala, Gray, a small or slender form, 2 to 16 inches high, with compara- 

 tively long peduncles: corolla an inch or more long, its lobes entire or merely erose-den- 

 ticulate round the summit. —Bot. Calif, i. 481. — Sierra Nevada, California, at 5,000 to 

 10,000 feet, and Oregon. 



G. simplex, Gray. Stem 2 to 10 inches high, simple, bearing 2 to 4 pairs of lanceolate 

 or linear-oblong leaves (3 to 9 lines long) and a single slender-pedunculate flower : calyx- 

 tube and lobes hardly at all angled or carinate ; the latter nearly equal and similar : corolla 

 an inch long ; its oblong-spatulate lobes entire or erose-dentate and sometimes a fringe of 

 a few bristly teeth low down on tlie sides : capsule stipitate : seeds smooth but longitudi- 

 nally striate, narrow, wingless when mature, except a cellular appendage at both ends. — 

 Pacif. R. Rep. v. 87, t. 16, & Bot. Calif. 1. c. — ffigher parts of the Sierra Nevada, Califor- 

 nia, to adjacent portion of Oregon. 



•i— -i— Flower 2-bractcate under or near the calyx : filaments ciliate-bearded below the middle : 

 calyx hardly at all angled or carinate: root perennial. 



G. barbellata, Engelm. Stems single or in pairs from the slender fusiform root or 

 caudex, 2 to 5 inches high : leaves rather thick and fleshy, obtuse, with roughish callous 

 margins; the radical spatulate (an inch or two long) or slender-petioled ; the 2 or 3 cau- 

 line pairs spatulate-linear, or the uppermost narrowly linear and connate at base : flowers 

 one to three, sessile or nearly so between 'the involucrate f oliaceous bracts : calyx-lobes 

 subulate-triangular : corolla bright blue, an inch to an inch and a half long, aboiit twice the 

 length of the calyx, deeply 4-cleft ; the lobes oblong, erose-denticulate above, conspicu- 

 ously fimbriate along the middle : capsule short and not stipitate : seeds squamulose- 

 roughened. — Trans. Acad. St. Louis, ii. 216, t. 2. — Alpine region of the Rocky Mountains 

 in Colorado, Parri/, i&c. Related to G. ciliata of Europe. 



* * Flowers smaller, 4-5-merous : corolla somewhat funnelform or salverform when expanded ; 

 the lobes entire (rarely with a few denticulations), their base sometimes crowned with setaceous 

 filaments: capsule seldom stipitate: seeds with a very close thin and smooth coat. — Endotricha, 

 etc., Frcel. § AmareUa, Arctophila, &c., Griseb. 



-t— Peduncles elongated and naked from a very short stem, 1-flowered: throat of corolla crowned; 

 no ghmds at its base: edges of leaves and sepals smooth. 



G. tenella, Rottb. An inch to a span high : leaves (2 to 6 lines long) oblong or the 

 lowest spatulate: calyx deeply 5- (sometimes 4-) parted; the lobes foliaccous, oblong to 

 ovate, usually unequal : corolla 2i to 4 lines long, double the length of the cah'x (more 

 lengthened in fruit), blue; its lobes ovate-oblong, rather obtuse, little shorter than the 



