328 COVILLE 



Kadiak Island. — At various points, Coville and Kearney (No. 

 1473), Trelease and Saunders (Nos. 3419 to 3421), Brewer and Coe 

 (Nos. 206, 232), Cole, Walter H. Evans, 1S97 (Nos. 437 to 439), F. 

 A. Walpole, 1900 (Nos. 116S, 1169). 



SJmmagin Islands. — At several localities on Popof and Unga, Tre- 

 lease and Saunders (Nos. 3423. 3424, 3456, 3457), Brewer and Coe 

 (No. 2S0), Kincaid, M. W. Harrington, 1S71-2. On Nagai Island, 

 C. II. Townsend, 1893. 



Alaska Peninsula. — At Kukak Bay, Coville and Kearney (No. 

 1670), Trelease and Saunders (No. 3422), Kincaid. At Stepovak 

 Bav, Palache. At Bailey Harbor, Belkofski Bav, C. H. Townsend, 

 1S93. At Nushagak, without collector's name, 1SS2. 



Aleutian Islands. — On Akun Island, C. H. Townsend, 1S93. On 

 Unalaska, Coville and Kearney (Nos. 17863, 2200), Trelease and 

 Saunders (No. 3426), Brewer and Coe (No. 296), Cole, H. G. von 

 Langsdorff, 1805-6, A. Kellogg, 1S67 (No. 275), M. W. Harrington, 

 1S71-2, L. M. Turner, 1880, C. Hart Merriam, 1891, J. M. Macoun, 

 1S91, B. W. Evermann, 1S92, Walter H. Evans, 1897 (No. 537, in 

 part). On Attn Island, J. M. JMacoun, 1891, W. V. E. Jacobs, 1894. 



Pribilof Islands. — On St. Paul, Robert White. 1879, William 

 Palmer, 1S90 (Nos. 310, in part, 425, 724), C. Hart Merriam, 1891, 

 J. M. Macoun, 1892, 1897, C. H. Townsend, 1893, Trevor Kincaid, 

 1897. 



St. Matthc-ju Islands. — On St. Matthew, Coville and Kearney 

 (No. 2086), Trelease and Saunders (Nos. 3394, 3430, 3431, 3447)- 

 On Hall Island, Coville and Kearney (No. 20S2), Trelease and 

 Saunders (Nos. 3428, 3429, 3446), Brewer and Coe (No. 410), J. 

 M. Macoun, 1891. 



Arctic Seacoast. — Collected at Point Hope by some person on the 

 Revenue Cutter Corwin in 1883. 



Siberia. — At Plover Bay, Coville and Kearney (No. 1865), Cole, 

 W. H. Ball, 1865-6. On Bering Island, L. Stejneger, 1S82-3. 



Salix arctica is exceedinglv variable in its leaf characters, and this, 

 together with certain nomenclatorial accidents, has caused the species 

 to be known under several different names. Mr. M. S. Bebb pub- 

 lished a critical statement on the subject in 1889,^ based in part on 

 correspondence with Trautvetter, which I have here followed. The 

 large number of specimens examined tends to confirm the idea that 

 the extreme variation in the leaves is chieflv an individual characteristic 

 and does not mark recognizable incipient species. The nearest ap- 



^ Bot. Gaz. 14: 1 15-17. 1SS9. 



