MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. I97 



Heuchera parvifolia Nutt. ; Torr. & Gray, Fl. N. Am. i : 581 [Man. 



R. M. 94]. 



Common among rocks, at an altitude of 1000-3000 m. 



Montana: Milk River, 1879, ^''- Havard; Anaconda, 1892, 

 F. D. Kelsey ; Lima, 1895, Rydberg, 267S and 267^; Spanish Basin 

 and Peaks, 1896, Flodman, ^20 2.nd. §22; Cottonwood Creek, 52/; 

 Cedar Mountains, July 16, 1897, Rydberg & Bessey, 428^ Sind 42^4; 

 Indian Creek, July 21, 42^0; Jack Creek, July 15, 42^1; Bridger 

 Mountains, June 11-18, 42^2 and 42py ; Electric Peak, Aug. 18, 

 42pj; Spanish Basin, June 23-24, 42pj ; Beaver Head Co., 1888, 

 Tweedy, 56; Bridger, 1892, W. T. Skazv ; Great Falls, 1891, R. 

 S. Williauis, jij ; Shields River, 1883, ^Sfr/^^^zer, 5i'<7. 



Yellowstone Park: 1884, Tzveedy, 246; Soda Butte Creek, 

 1885, Tweedy, 844. 



Idaho : Mt. Chauvet, July 27, Rydberg & Bessey, 42^0. 



* Heuchera glabella Torr. & Gray, Fl. N. Am. i : 581 ; Heuchera 



cylindrica glabella Wheelock, Bull. Torr. Bot. Club, 17: 203. 



Resembles H. cylindrica, but has somewhat smaller, less hairy, 

 rounded-reniform leaves and almost glabrous, not hirsute, stem. 

 No specimen of H. cylindrica has been seen from Montana. It 

 may occur there, as it is found in northern Idaho. H. glabella grows 

 among rocks, at an altitude of 1000-2000 m. 



Montana: Helena, 1892, F. D. Kelsey; Little Belt Mts., 1895, 

 Flodman, 52^; Elk Mts., 324; Lewis & Clarke Co., Mrs. MutJi ; 

 Rainbow Falls, 1888, R. S. Williams, 46; Judith Mts., 1882, 

 Canby ; Little Belt Mts., 1883, Scribner, 32. 



* Heuchera ovalifolia Nutt. ; Torr. & Gray, Fl. N. Am. i : 581. 



Also a relative of H. cylindrica, but the plant is densely glandular 

 all over and the leaves are rounded-elliptic, not heart-shaped, at 

 the base. It is the commonest species in the region, growing on 

 dry hills at an altitude of 1000-2000 m. 



Montana: Silver Bow, 1895, Rydberg, 2682; Lima, 2680; 

 Bozeman, 2681 ; Cottonwood Creek, 1896, Flodman, 323; Bridger 

 Mts., June 15, 1897, Rydberg d- Bessey, 42^8 ; Jack Creek, July 14, 

 42gg; Spanish Basin, June 23-24, 4300; Indian Creek, July 21, 

 4301 : Beaver Head Co., 1888, Tweedy, 33: Bear Creek, 1887, 238; 

 Virginia City, 1871, Hay den. 



Yellowstone Park: Slough Creek, 1885, Tweedy, 843; Grand 

 Canon, 1872, Coulter. 



