in the N Y. Bot. Garden. duplicates in Nat. Herb., Washington.   A report on the collections is found in Bull. N. Y. Bot. Gard. 2 (1901), where the flowering plants were identified by BRITTON & RYDBERG, the ferns by UNDERWOOD, the Sphagna by WARNSDORFF, the mosses by WILLIAMS himself and the hepatics by A. HORNE.   WILLIAMS also published a paper: »Additional Mosses of the upper Yukon» (Bryologist 6, 1903).  The following places were visited: March 23, 1898 Dyea; May 20. 1899 Lake Lindemann; May 30-July 30 Dawson and vicinity; July 7 mouth of Klondike R.; Aug. 25 Bennett City.
        1898.   Tyrrell, Joseph Burr, mining engeneer, made a small collection along »Dalton Trail» July 3-7 at Aishihik Lake; Aug. 18-19 at Forty Mile Creek and at Dawson.  The specimens are kept in Ottawa. A list of the plants was published by JOHN MACOUN (Ottawa Nat. 13, 1899).
        1899-1901.    Weirick, S. T., Dr., collected a few plants, now in Nat. Herb., Washington, at Fort Gibbon.
        1898-1900.   Georgeson, Charles Christian, director of the Agricult. Exp. Station at Sitka, collected about 200 specimens at Sitka and Kodiak in 1898 and at Rampart, Fort Yukon and Eagle in July 1900.  The collection is in Nat. Herb., Washington.
        1899.    Tarleton, John Berry, collected about 270 specimens at upper Yukon R.   They are preserved in Nat. Herb., Washington.  The phanerogams were published by BRITTON & RYDBERG together with WlLLIAM's plants in Bull. N. Y. Bot. Gard. 2 (1901).   TARLETON traversed Chilkoot Pass about May 1, worked at Five Finger Rapids July 5, at Fort Selkirk July 20 (where he met GORMAN), fifty miles above Stewart R. July 27, and at Dawson.   TARLETON wrote a popular account of his journey under the title »A botanist's trip on the Upper Yukon» (Alaskan Magaz. and Canad. Yukoner vol. 1. 1900).
        1899.   Ruddock, George T., obtained a collection near Teller.  The specimens that were kept in the Calif. Acad. of Sc. were probably destroyed in the San Francisco earthquake.  Some of them are mentioned by EASTWOOD in Bot. Gaz. 33 (1902) p. 299.
        1899.   Rhodes, H. M., Newhall, P. M., and Giacomini, A. L., of the U. S. Coast and Geod. Surv. Steamer Patterson, collected at Norton Sound some specimens, now in Univ, of Calif., NEWHALL also collected at »Paslatiak R.» (=Pastolik R.?) in the Yukon Delta.
        1899.   Setchell, William Albert, Jepson, Willis Linn, Lawson, A. A., and Hunt, L. E., of the University of California, collected June to August at Unalaska and Beaver Inlet, Unalaska I., later at Unga I.,