MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 305 



* Dodecatheon pulchrum. 



Scape stout, about 2 dm. high, from a cluster of fleshy root-fibers ; 

 leaves obovate-elliptic, 7-8 cm. long, without distinct petiole, rather 

 thin, slightly wavy, acute or obtuse, glabrous; umbel 5-7-flowered ; 

 bracts lanceolate ; corolla rose or purplish, with a wavy deep purple 

 line in the throat; lobes about 2 cm. long, broadly oblong; stamens 

 almost free ; filament obsolete ; anthers 6-7 mm. long, obtuse ; con- 

 nective purple, lanceolate, rugulose at the base. 



It agrees with the description of D. conjKgens, except that the 

 petioles of the leaves are obsolete. It grows at an altitude of about 

 2500 m. 



Yellowstone Park : Indian Creek, 1885, 7^. Tweedy, 4J2, in part. 



Dodecatheon pauciflorum (Durand) Greene, Pittonia, 2:72; Dode- 



catheo)i JMeadia j)ancijlorti)n Durand, PI. Pratt. 95 ; D. Meadia 



Coulter, Man. R. M. 233, in part; not L. 



Common in rich soil throughout the mountain region, at an altitude 

 of 2000-3000 m. 



Montana: Dillon, 1895, Rydberg; 2'/4.g; Little Belt Mts., 1896, 

 Flodman, y20, ^21 and ^22; Deer Lodge, 1888,/^. W. Trafhagen; 

 Hell Roaring Creek, Park Co., 1887, Tzveedy, 81 ; Old Hollowtop, 

 Pony, July 9, 1897, Rvdherg & Bessey, 4.6 j o ; July 7, 46^1 ; Spanish 

 Basin, July i, 46^2; Indian Creek, 1885, Tweedy, 432, in part; 

 Granite, 1892, Kclsey ; Twin Bridges, H. M. Fitch: Belt Mts., 

 1888, R. S. Williams, 780. 



Yellowstone Park : 1888, Dr. C/ias. H. Hall. 



*Dodecatheon Cusickii Greene, Pittonia, 2: 73. 



Resembling D. ^aucifloriini, but the calyx gradually tapering into 

 the pedicels. At an altitude of 2500 m. 



Montana: Helena, 1892, A't'/5^j'. 



* Dodecatheon puberulentum Heller, Bull. Ton*. Bot. Club, 24: 311. 



Nearest related to the preceding, but characterized by the column of 

 the filaments, which is very narrow and fully half as long as the 

 diverging anthers. Hillsides and mountains, at an altitude of 300- 

 2500 m. 



Yellowstone Park: 1888, Dr. Chas. H. Hall; 1883, Miss 

 Mary Comfton. 



* Dodecatheon cylindrocarpum. 



Scape rather stout, 1-2 dm. high, from a cluster of fibrous roots, 

 which in age become somewhat thickened and fleshy : leaves ^—^o 



