Convolvulaceae 1. Calephtis - Siphium, R. Borr. a) Sept. 20, 1868 - Humboldt Pass 6,000 ft. 5 sp. b) July 10, 1869 Walisahd Mt., Paso Cano " 2 " c) " 12, " [illegible] - [illegible] - 2 Spots 5,000 ft. 2, From Florida to Canada and the Saskatchewan; in N. Mexico, The Snake Country (Nevada) and on the western slope from the Columbia to S. California, but apparently rather rare. Found only in Humboldt Pass, Nevada, and in the Walisahd Mt., 5-6,000 ft. alt. July, September. 2. Cuscuta - Critica, L. var. Torelliana, Chois. (Ben. Chou) Oct. 8, 1864 - Shore of Neos River, near Brigham City 2 sp. Northern Mexico and S. California. Apparently S. American specimens and the species variable in size & shape, flowers nearly purple or or purplish 2-3" long, and then nearly white in May, and in winter aluminous at very long & stringy, in latter, almost a compound flower in three. 3. Cuscuta - Tenuiflora, Enger (Gr. Munn) Sept. 20, 1868 - Humboldt Pass, Nevada - 6,000 ft. (or Astre + Calyp?) 6 sp. Illinois and Missouri to the upper Missouri; New Mexico, Arizona; and the White Sand Dunes (Lyall). 4. C. Californica, Chois. var. A. graciliflora. California. Aug. 4, 1865 - E. Humboldt Mt., windward side, S. g. Stage Pass - 4,700 ft. 2 sp. July 12, 1869 - Jorda Valley, Alameda bottom - all day 1 " Aug. 19, " Cottonwood Canyon, Lower a Cliffs 2, July 30, 1867 - E. Truckee Valley - in Emory's " 20, 1867 - E. Humboldt Mt., Caribou Creek Camp. 7,200 ft. 1 " " 24, " " " north 3,000 ft. 8 " Richer base or Sap buck July 11, 1869 - Parleys Park near Camp on Thistle 1 " " 21, " " near Calephtis - a sagebrush, Rataf. + [illegible] 34