MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA UNIVERSITY 159 



borne on pedicels 1-3 cm. long. Sepals, bractlets and petals as in the following. Fruit- 

 ing calyx about 1 cm. in diameter. Achenes lenticular in all specimens examined. 



A. Egedii is a native of Arctic America, but extends to the coasts of Massachusetts 

 and Oregon. Specimens examined : 



Iceland : Professor and Mrs. C. S. Smith, 1888. 



Greenland: Hartz; Holboell; Sorensen, 1893; Eberlin.* 



Labrador: Fratres Moravi (Ex. Herb. J. Ball); Miss Macfarlane, 1870. 



Martha's Vineyard, Mass.: Oakes. 



Alaska: J. Muir (Kotzebue Sound); J. M. Macoun, No. 43, 1891 (Umnock Island); 

 C. A. White, 1881. 



Oregon: Isabel Mulford, 1892. 



2. Argentina Anserina (L.). 



Potentilla Anserina L. Sp. PI. 495. 1753. 



L. Sp. PI. Ed. 2 : 710; Mill, Gard. Diet. Ed. 8 : No. 1 ; Ait. Hort. Kew. 2 : 213 

 Dietr. Pflanz. Ed. 2 : 90 ; Willd. Sp. PL 2 : 1095 ; Poir. in Lam. Enc. Meth. 5 : 584 

 Persoon, Syn. Pi. 2 : 53 ; Ait. Hort. Kew. Ed. 2, 3 : 273 ; Nestler, Mon. Pot. 24 and 35 

 Haller, Syn. Pot. 56; Lehm. Mon. Pot. 22 and 71 ; Sprengel, Syst. Veg. 2: 535; Seringe 

 in DC. Prod. 2: 582 ; Don, Gard. Diet. 2 : 559; Dietr. Syn. PL 3 : 188; Walp. Rep. 2: 

 34 ; Ann. 2 : 513 ; Lehm. Del. Sem. Hort. Hamb. 1850 : 10 ; Rev. Pot. 188. 



Michx. Fl. Bor. Am. 1: 304; Pursh, Fl. Am. Sept. 356; Bigelow, Fl. Bost. 124 

 Ed. 2 : 203 ; Nutt. Gen. N. A. PL 1: 310 ; Eat. Man. Bot. Ed. 2: 380 ; Ed. 3 : 408 ; Ed 

 5 : 344 ; Ed. 6 : 281 ; Ed. 7 : 458 ; Torr. FL U. S. 498; Comp. 210 ; Beck, Bot. 107 ; Ed 

 2: 99 ; Bigelow, PL Bost. 216; Torr. & Gray, Fl. N. Am. 1: 444; Eat. & Wr. N. Am 

 Bot. 373 ; Torr. Fl. N. Y. 210 ; Frem. 1st Exp. 89 [174] ; Gray, Man. Ed. 1: 122 

 Ed. 2 : 119 ; Ed. 5 : 155; PL Fend, in Mem. Am. Acad. 4 : 42 ; Torr. Pac. R. R. Rep 

 4 : 84 ; Newberry, 1. c. 6^: 72 ; Gray, 1. c. 12 ; Book 2, 39 ; Cooper, 1. c. p. 56 ; Torr 

 Mex. Bound. Surv. 2 : 64; Wood, Class Book, 343 ; Bot. and Flor. 107 ; Porter, U. S 

 Geol. Surv. 1870 : 475 ; 1871: 482 ; Coulter, 1. c. 1872 : 765; Wats, in King's Re- 

 port 5 : 89 ; Proc. Am. Acad. 8 : 562 ; Wheeler's Rep. 8 ; Port. & Coult. Syn. Fl. 

 Colo. 38 ; Brewer & Wats. Bot. Cal. 1: 180 ; Rothrock, Wheeler's Rep. 6 : 114 ; Coulter, 

 Man. Rocky Mts. 86; Tweedy, Fl. Yellowst. Nat. Park, 35; Greene, Pittonia, 1:87; 

 K. Brandegee, Zoe, 2 : 349 ; Wats. & Coult. in Gray, Man. Ed. 6 : 160 ; Rattan, An. 

 Key W. Coast Bot. 51 ; Behr, Fl. Vic. San Fran. 249 ; Greene, Fl. Fran. 1: 63 ; Man. 

 Bay Reg. 115 ; Bailey, in Gray, F. F. & G. Bot. Rev. Ed. 152 ; Aven Nelson, Wy. Exp. 

 Sta. Bull. 28: 102; Rydb. Fl. Neb. 21 : 18; Bull. Torr. Bot. Club, 24: 12; Britt. & 

 Brown, 111. Fl. 2 : 216 ; Howell, FL N. W. Am. 1: 179. 



