Petelia 1946 June 21 Southern Washoe, Lyon, and Storey counties, Nevada. Certain indicator plants, as Eriogonum robustum, are endemic to the yellow- june areas. and sinister terraces Visited hot spring at Steamboat Springs and then proceeded northward, returning to Reno. June 22 Southern Washoe, Ormsby, Douglas counties, Nevada; and Eldorado and Placer counties, California. The second excursion held for the AAAS meetings was conducted through Carson City, around Lake Tahoe, and over the Mt. Rose highway northeast of Lake Tahoe. Visited the Nevada State Museum in Carson City. Its director, Richard Gordon Miller (M.S. from Cornell), appears to be an energetic and capable young man. Entered Tahoe region along Clear Creek highway over Spooner's Summit (7140 feet). Stopped for lunch at Emerald Bay—a spectacularly beautiful spot. Acquainted myself with huckleberry oak, Quercus vaccinifolia. Road over Mount Rose Summit (8933 feet) passes through subalpine forest: Pinus albicanis, P. contorta and P. monticola together with Tsuga mertensiana. Here Nucifraga Junco oreganus, Penstetes gambeli, and Carpodacus cassini were observed.