44 MINNESOTA STUDIES IN PLANT SCIENCE 



IiUNOis : wet prairie near Wady Petra, Stark County, May 12, 1897, Virginius H. 

 Chase (MBG 84469). 



Saxifraga fallax Greene, Bull. Torr. Bot. Club 23 :25. 1896. 

 Micranthes fallax (Greene) Small, N. Am. Fl. 22:2:141. 1905. 



A delicate species of the aspect of Saxifraga Careyana Gray (Plate 

 XIV). 



Distribution. — Not definitely known. "Oregon and California" according to 

 Small (I.e.). 



Specimens examined: 



Caufornia: Emigrant Gap, July 1, 1882, Marcus E. Jones, No. 3587, as S. fallax 

 Greene by Engixr and Irmschee (USNH 221361). 



Saxifraga Forbesii Vasey, Am. Entom. and Bot. 2 :288. 1870. 

 Saxifraga pennsylvanica L., Sp. PI. 399. 1753. 



Distribution. — Not definitely known; apparently limited mostly to eastern Mis- 

 souri, through St. Louis and Jeflferson counties, and adjacent counties in Illinois. 



Specimens examined: 



Missouri: wet shaded sandstone cliffs. Silica, Jefferson County, May 5, 1898, 

 Colton Russell (MBG 83960) ; Silica, May, 1890, ex herbarium Frederick Wislisenus, 

 No. 939 (MBG 84580) ; rocks, St. Louis, May, 1887, H. Eggert (UMH) ; Jefferson 

 County "Sandfelsen," May 11, 1887, H. Eggert (MBG 83856, 739323) ; St Louis, 

 shady rocks, May and July, 1880, H. Eggert (MBG 84582) ; Pacific, Franklin County, 

 May 8, 1896, H. Eggert (MBG 738820, 83861) ; St. Louis, shady sandstone, July, 1880, 

 H. Eggert (MBG 83857) ; Jefferson County, May 11, 1887, H. Eggert (MBG 83862) ; 

 St. Louis County, on the Meramec, under shady rocks, June 15, 1875 (MBG 83820) ; 

 April 15, 1880 (MBG 83858) ; June 20, 1884 (MBG 83859), with large foliaceous 

 bracts; Allenton, June 20, 1880 (MBG 772053, 780787) ; April 16, 1880 (MBG 775263, 

 83818), wet sand rocks, G. W. Letterman (MBG 7772QS). 



Illinois : June, 1875, D. G. Vasey (MBG 84223) ; Makanda, "type locality," on 

 moist cliffs, May 5, 1900, Baker, No. 6168 (MBG 83868). 



Saxifraga fragosa Suksdorf ex Small, Bull. Torr. Bot. Club 23:363. 

 1896. 



Saxifraga clay toniae folia Canby, Small, Bull. Torr. Bot. Club 23 :365. 

 1896. 



Saxifraga integrifoUa var. fragosa (Suks.) Rosendahl, Beibl. Bot. Jahrb., 

 Nr. 83. 1905. 



Saxifraga integrifoUa Hook. var. daytoniaefolia (Canby) Rosendahl, I.e. 



Micranthes daytoniaefolia (Canby) Small, N. Am. Fl. 22:2:141. 1905. 



Saxifraga fragosa var. leucandra Suks,, in herb. 



Distribution. — "Washington to Oregon" (Small), I.e. 



Specimens examined : 



Washington : wet rocks near the Columbia River, Klickitat County, May, 1892, 

 W. N. Suksdorf, No. 1727 (MBG 84331, UMH) ; wet mossy cliffs, Almota, Whitman 

 County, May, 1897, A. D. E. Elmer, No. 139 (UMH). 



