14 Rhodora [JANUARY 
no. 64,690. ee Upper Marias Pass, alt. 2440 m., August 4, 
1883, W. M. Canby, no. 44; Old Hollowtop, near Pony, alt. 2745 m., 
July 7, 1897, Radbery "¢ Bessey, no. 4041. Wyomrne: Teton Mts., 
August 21, 1894, Aven Nelson, no. 1009. Conorapo: Gray’s Peak, 
alt. 3965 m., cote 15, 1885, Letterman; a mo bee Takes 
Ouray, alt. 3660 m., pales 30, ‘1901, C.F. Baker, no. a baie 
Uinta Mts., alt. 3350 m , August, 1869, Watson, no. 173. ARIZONA: 
summit of Mt. Agassiz, ‘August, 1884, Lemmon, no. 3289. OREGON: 
cliffs of Wallowa Mts., alt. 2745 m. , July 31, 1899, Cusick, no. 2301a. 
Wasnincton: Cascade Mts. near Mt. Baker, July 16, 1898, J. B. 
Flett, no. 860; Engel Creek near Mt. Stewart, 1883, Brandegee, no. 
672. British CoLumMBIA: mountain summits, alt. 2290 m., Kicking 
Horse Lake, July, 1885, J. Macoun; summits of Selkirk Mts., alt. 
1675-2440 m., August 2-4, 1890, J. Macoun, nos. 13, 16; summit of 
Rocky Mts., alt. 2135 m., ‘August 18, 1890, J. Macoun, no. 15; s 
peak above timber line, ‘alt. 2285 m., Selkirk Mts., July 26, 1905, 
H. Shaw, no. ike sean of Mt. Arrowsnels Vancouver Is 
July 16, 1887, J. M 
A. obtusiloba “Cid coax n. comb. A. obtusa Torr. Ann. Lye. 
WY a. 170 (1826) not All. Ane fae ii. 114 (1785). A. arctica 
Torr. & Gray, Fl. i. 181 (1838). A. biflora, var. obtusa (Torr.) Wat- 
son, Bibl. Ind. 94 (1878). Alsinopsis obtusiloba Rydberg, Bull. 
Torr. Bot. Cl. xxxiii. 140 (1906), as to first citation, Ar. obtusa Torr., 
but only i in small part as to other citations (see discussion below).— 
Alberta to New Mexico. The following belong here. ERTA: 
Sheep Mt. Waterton Lake, July 28-31, 1895, J. Macoun, no. ia 
Monrana: Bridger Mts., ‘August 21, 1902, W. W. J ;_Spanis 
Peaks, 1901, J. Vogel; Old Hollowtop, near Pony, alt. "2440 = 
July 2 1897, Rydberg & Bessey, no. 4039. Wyromte: pag 
alpine parks, Brooklyn Lake, Albany Co., August, 1909, Aven N 3, 
no. 9235; open hillsides, Telephone Mines, Albany Co., ae 
1900, Aven Nelson, no. 7951; Little Bald Mt., Bighorn Mts. Piles 
vicinity, alt, 3350-4270 m., July and August, 1885, ea 
no. 11; alpine, Pikes Peak, pelo 27, 1895, Canby; alpine eases 7 
— of Middle Park, 1861, Parry, no. 14 41; barren rocky places 
the limit of trees on James Peak, August 18, 1870, E. L. Wort & 
Sierra Blanca, 1877, Hooker & Gray; South Park, 1873, Wod 
Rothrock, no. 364; among rocks at 3660 m., mountain peas Oe 
Como, July al, 1895, Crandall & Cowen, no. 82; Mt. G anaes 
3800 m., July 25, 1901, F. E. & E. 8. Clements, no. 496; neat 
Sg alt. 3500 m., August, 1899, C. F. Baker, no. 310 (distribu ae 
ma). UTAH: moist soil, alt. 3810 m., La Sal Mts. rN pe 
ie 15, 1912, E. P. Walker, no. 279. New Mexico, ee 
Mexico, 1867, Parry, no. 17. 

