tawa, at upper Stewart R. (Rambler Hill, McQuestion Lake, Mt Haldone, Minto Bridge, N. of Mayo landing) in July 1918.
        1918.   Noyes, Russell, of the U. S. Bureau of Fisheries, obtained a small collection on Afognak I.  Specimens in Calif. Acad. of Sc.
        1919.   Stecker, Adolph, Moravian missionary, collected some plants in Alaska.    They are now in Gray Herb.
        1920-1936.   Murie, O. J., of the Bureau of Biol. Surv., and to some extent also his wife Margaret E. Murie, on many journeys undertaken for Zoological purposes collected plants in different parts of Alaska and Yukon.    Specimens preserved in Nat. Herb., Washington, in Mr. MURIE’S own herb. and in the author’s herb.  Plants were collected in the following places: Aug. 21, 1920 Tanana R.; Aug. 23 Hot Springs Landing, Tanana; June 23, 1921 Tanana R.; July 10 Mt Veta; July 14 Ketchumstock Creek; May 26, 1922 Jarvis Creek; June 5 Rapids; June 6 Straw Creek, tributary to Tanana R.;June 19 Salcha Slough; Aug. 2 Anchorage; July-August 1923 Savage R., McKinley Park; July 3-24, 1925 Izenbeck Bay, False Pass; June 11, 1936 Porcupine R. 8 miles from the mouth; June 12 Porcupine R. 45 miles from the mouth; June 26 Old Crow R.; July 7 Timber Creek, Old Crow R.; Aug. 11 mouth of Old Crow R. in Porcupine R.; Aug. 22 Porcupine R.   In 1936 he collected together with SCHEFFER and STEENIS at Cordova, Dolgoi I., Unalaska I., Herbert I., Atka I., Kasalochi I., Little Tanaga I., Kanaga I., Adak I., Skagul I., Oliuga I., Kavalga I., Semisoposchnoi I., Amchitka I., Little Sitkin I.. Rat I., Kiska I., Buldir I., Agattu I. and Attu I.
        1920-1933.   Palmer, L. J., of the U. S. Bureau of Biol. Surv., made during these years at various places in Alaska small collections of plants, now preserved in Nat. Herb., Washington.   In 1921 he visited Nelson I. and St. Lawrence I., in 1923 Kobuk R., in 1924 Noorvik, in 1925 he collected together with MILLER at Unalaklet, in 1926 he accompanied PORSILD from Anchorage over Fairbanks and Pastolik to Nome, in 1927 he collected at Cantwell in 1932 at Rampart and in 1933 at Skilab and Tustumena Lakes on Kenai Penins.
        1920.   Johnston, H. W., obtained together with PALMER a small collection, now in Nat. Herb., Washington, at Unalaklet and Egavik in Aug. 1920.
        1920.   Müller, Adolf, collected in Aug. 1920 a series of plants mostly labelled »Lake Kluane to Don Jek R. Aug. 11-27, 1920».  Specimens collected Aug. 6 are labelled Bear Creek and »near Lake Desert