14 MINNESOTA STUDIES IN PLANT SCIENCE 



(Lyall)." Lyall's Fort Colville specimen seems doubtful. Piper (21) does 

 not mention this species as occurring in northeastern Washington. 



Specimens examined : 



Alaska: Muir Glacier, Harriman Alaska expedition, July 11, 1899, IVm. Trelease, 

 No. 4066 (MBG 83986) ; Muir Glacier, Harriman Alaska expedition, July 12, 1899, 

 IVm. Trelease, No. 4067 (MBG 83985) ; Alpine Granite Creek, August 12, 1907, H. C. 

 Cowles, No. 1365 (MBG 746118) ; Sindham Bay, July 28, 1905, Baker and Culhertson, 

 No. 4952 (MBG 84096). 



British Columbia : Prairie Hills, Selkirk Mountains, alt. 6,500 ft., July 19, 1904, 

 C. H. Shaw, and T. B. Snyder, No. 402 (MBG 83913, UMH) ; alpine rivulet. Carbonate 

 Draw, Selkirk Mountains, July 14, 1904, C. H. Shaw, No. 340 (UMH) ; alpine meadow 

 in the Big Bend district, about 118° 20' W. long., 51° 45' N. lat, alt. 6,000 ft., July 

 22, 1905, C. H. Shaw, No. 941 (MBG 83914 and UMH) ; Eagle Mountain Glacier, 

 August, 1902, C. O. Rosendahl, No. 998 (UMH) ; Streamsides, Prairie Hills, alt. 5,850 

 ft.. Butters and Holway, No. 222 (UMH) ; Cougar Valley, Selkirk Mountains, August 

 10, 1913, Butters and Holway, No. 818 (UMH) ; Fish Creek Valley, August 10, 1906, 

 Butters and Holway, No. a25 (UMH). 



Alberta : Lake Louise, Rocky Mountains, July 19, 1904, Edith, M. Farr, No. 30 

 (MBG 83912) ; Mt, Temple, Laggan, Alberta, alt. 7,000 ft., August 26, 1904, Butters. 

 Holway, and Rosendahl (UMH) ; Laggan, alt. 6,500 ft., July 19, 1910, C. O. Rosendahl, 

 No. 2489 (UMH) ; Mt. Temple, Laggan, Alberta, alt. 8,000 ft, September, 1906, 

 Butters, Holway, and Rosendahl (UMH). 



Montana : Lambert Valley, Mission Mountains, upper temperate life zone, alt. 

 7,000 ft, August 17, 1909, M. E. Jones (MBG 84060). 



Saxifraga Nelsoniana D. Don, Trans. Linn. See. 13:355. 18.22. 

 Saxifraga punctata L. var. Nelsoniana (Don) Engler, Monogr. Saxifr. 

 p. 39. 1872. 



Micranthes Nelsoniana (Don) Small, N. Am. Fl. 22:2:147. 1905. 

 A species of usually much stouter habit than S. aestivalis (Plate IV). 



Distribution. — Frorn Point Barrow along the coast of Alaska to Montana. 

 Specimens examined : 



Alaska: Cooper Island, September 3, 1891, as Saxifraga crassifolia, Jos. M. 

 Macoun (MBG 83993, USNH 249366) ; Unalaska, July 25, 1891, J as. M. Macomi, No. 

 45 (USNH 249364) ; St Matthew Island, August 10, 1891, Jos. M. Macoun, No. 46 

 (USNH 249363) ; St. Paul Island, July 30, 1891, Jas. M. Macoun, No. 58 (MBG 

 84015) ; St Matthew Island, August 19, 1891, Jas. M. Macoun No. 59 (MBG 83994). 



The following collections were made by Wm. Trelease on the Harriman Alaska 

 expedition, 1899; Douglas Island, July 21, 1899, No. 4047 (MBG 84009) ; Aqua Dulce 

 River, June 21, 1899, No. 4048 (MBG 84007) ; Port Wells, June 26, 1899, No. 4049 

 (MBG 84011) ; Ocra, June 24, 1899, No. 4050 (MBG 83995, 83996; St Paul Island. July 

 9, 1899, No, 4051 (MBG 84003) ; St Lawrence Island, July 13, 1899, No. 4052 (MBG 

 84008) ; Hall Island, July 14, 1899, No. 4053 (84001) ; Hall Island, July 14, 1899, No. 

 4054 (MBG 84997) ; Pt. Clarence, July 12, 1899, No. 4055 (MBG 84002) ; Pt Qarence, 

 July 12, 1899, No. 4056 (MBG 83998) ; St Matthew Island, July 15, 1899, No. 4057 

 (MBG 84000) ; St. Matthew Island, July 14, 1899, No. 4058 (MBG 83999) ; Juneau, 

 July 25, 1899, No. 4060, "Unusually stout and pubescent" (MBG 84010) ; Juneau, July 

 25, 1899, No. 4061 (MBG 84006). 



