284 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Montana: Cliff Lake, Jul}^ 27, 1897, Rydbcrg & Bessey, ^sgi ; 

 Madison River, 1886, Tweedy, lopS. 



Myriophyllum verticillatum L. Sp. PL 992 [Torr. & Gray, Fl. N. 

 Am. i: 529; Man. R. M. 100; III. Fl. 2: 503]. 

 Lakes and ponds, up to an altitude of 2500 ni. 

 Yellowstone Park: Broad Creek, 1885, Tzvcedy, ^26. 



Hippurus vulgaris L. Sp. PI. 4 [Torr. & Gray, Fl. N. Am. i : 531 ; 



Man. R. M. 99; 111. Fl. 2: 501; Bot. Cal. i: 215]. 



In swamps, up to an altitude of 2500 m. 



Montana: Deer Lodge, 1895, Rydberg; 2jj6; Belt River, 1886, 

 R. S. JJ7///ajns, jjj ; John Pearsall, 86 j. 



Yellowstone Park: Lewis Lake, 1884, R. Tzveedy, 2g; Upper 

 Madison Canon, Aug. 3, 1897, Rydberg & Bcssey, 43^2. 



ARALIACEAE. 



Aralia nudicaulis L. Sp. PI. 274 [Torr. & Gray, Fl. N. Am. i : 

 646; Man. R. M. 122; 111. Fl. 2: 506]. 

 On wooded hillsides. 

 Montana: Columbia Falls, 1892, R. S. Williams, 8S2. 



Echinopanax horridum (Smith) Dec. & Planch. Rev. Hortic. 

 1854: 105 ; Panax horridum Smith, Rees Cycl. [Torr. «& Gray, 

 Fl. N. Am. I : 648] ; Fatsia horrida Benth. & Hook. Gen. PL 

 i: 938 [Man. R. M. 122; Bot. Cal. i: 273]. 

 In woods west of the main range of the Rockies. 

 Montana: Columbia Falls, 1892, R. S. Williams, 88 j. 



UMBELLIFERAE. 



Angelica pinnata Wats. King's Exp. 5: 126 [Man. R. M. 118; 



Coulter & Rose, Rev. N. A. Umb. 2^] . 



In wet meadows, at an altitude of about 2500 m. 



Yellowstone Park: East De Lacy's Creek, Aug. 10, 1897, 

 Rydberg & Bessey, 460^; Lone Star Geyser, Aug. 7, 1897, 4602 

 and^(5od; 1884, Tzceedy, j. 



Angelica Lyallii Wats. Proc. Am. Acad. 17: 374 [Man. R. M. 



118 ; Coulter & Rose, Rev. N. A. Umb. 36]. 



In wet meadows, at an altitude of 2000-2500 m. 



Montana: Indian Creek, July 21, 1897, Rydberg .d- Bessey, 

 4604; Forks of the Madison, July 26, 460J ; Lone Mountain, 1886, 



