334 BOTANICAL GAZETTE [November 



Specimens examined.— Alaska (and neighboring islands): Hall Island, 

 July 14, 1899, Brewer and Coe 427 (Hb. Greene 3 o8 3 I ); Point Gustavus, 

 Glacier Bay, June 10-12, 1899, Coville and Kearney 732 (Hb. U.S. 376695); 

 Haenke Island, Disenchantment Bay, June 22, 1899, iidem 1097 (Hb. U.S. 

 376702); St. Matthew Island, Bering Sea, July 15, 1899, iidem 2164 (Hb. 

 U.S. 376718); Bennet, July 31, 1907, Henry C. Cowles 1005 (Hb. Field 419544); 

 Clifton Point, Dolphin-Union Straits (lat. 69 13'N.), in 1916, Rev. H. Girling 

 (Hb. Can. 99071); Herald Isl., Arctic Ocean, in 1881, Capt.C. L. Hooper (Hb. 

 U.S. 424060); Wollaston Land (lat. 69-70 N., long. 115 W.), July 1915, 

 D. Jenness 415 (Hb. Can. 98711); Camden Bay (lat. 70 N., long. 145 W.), 

 Collinson Point, July 17, 1914, Frits Johansen 115 (Hb. Can. no 98716 in 

 Hb. Field 483378); Bernard Harbor (lat. 68° 47' N., long. ii4°46'W.), August 

 1914, idem 276 (Hb. Can. 98715); Cape Bathurst (lat. 70 35' N., long. 128 6' 

 W.), July 1916, idem 508 (Hb. Can. 98713); Popof Isl., Shumagin Isls., 

 July 14, 1899, Trevor Kincaid (Hb. U.S. 376796); Muir Glacier, July 8-19, 

 1899, idem (Hb. U.S. 376795, peculiar form with foliage of the T. alaskanum 

 form and with achenes brown as in T. ceratopharum); Point Barrow (lat. 

 71 N.), steep side bank facing the ocean, July 23, 1898, E. A. Mcllhenny 

 (Hb. N.Y. ; Hb. Can. 26283; type and cotype of T. alaskanum Rydb.); Point 

 Barrow, in 1883, Dr. John Murdoch (Hb. U.S. 424062, 424063, and 

 424064, topotypes of T. alaskanum Rydb.); Kadiak Isl, vicinity of 

 Karluk, July 5, 1903, Cloudsley Rutter 197 (Hb. U.S. 420615, the form 

 matching Ledebour's type illustration very closely) ; vicinity of Port Clarence, 

 Teller Reindeer Station, tundra banks near beach July 20, 1901, F. A. Walpole 

 1492 (Hb. U.S. 378605), August 9, 1901, idem 1791 (Hb. U.S. 378905), and 

 September 4, 1901, idem 1987 and 1988 (Hb. U.S. 379107 and 379108 respec- 

 tively); vicinity of Port Clarence, banks along streams, flat west end of 

 Tasuk Lagoon, August 22, 1901, idem 1895 (Hb. U.S. 379011); Arakamt- 

 chetchene Isl., Bering Staits, C. Wright in 1853-1856 (Hb. U.S. 424059). 



British Columbia: West Summit of S. Kootenay Pass, mountain slopes, 

 July 26, 1883, Dawson (Hb. Can. 15115); Chilliwhack River, alt. 6000 ft., 

 rocky slopes, August 29, 1901, /. M. Macoun (Hb. Can. 26811); Hazelton, 

 Skeena River, mountains, alt. 4500 ft., July 13, 1917, idem (Hb. Can. 98703; 

 Hb. Field 483397); second summit west of Skagit River, July 24, 1905, idem 

 (Hb. Can. 77001); Cascade Range, near head of McGillivray Creek, alt. 

 6500 ft., August 12, 1916, idem (Hb. Can. 98701; Hb. Field 483396); Mt. 

 Queest, alt. 6000 ft., crevices of rocks, July 25, 1889, idem (Hb. Can. 15m; 

 type of T. rupestre Greene); Kicking Horse Lake, alt. 8000 ft., alpine slopes, 

 August 14, 1890, idem (Hb. Can. 11114; Hb. U.S. 219543); Kicking Horse 

 Lake, damp open thickets, July 28, 1885, John Macoun (Hb. Can., 151 10); 

 Avalanche Alt., Selkirk Mts., alt. 8000 ft., August 4, 1890, idem (Hb. Can., 

 sine num.); Revelstoke, alt. 1600 ft., July 26, 1905, C. //. Shaw 1008 (Hb. 

 U.S. 621912); Tete Jaune Cache, headwaters of Fraser River, mountain 

 summits, August 31, 1898, W. Spreadborough (Hb. Can. 19743)- 



