211. 213. Ceanothus cordifolius, Pitta, var. glabra found only on the E. Humboldt Mts. Mary glabrous throughout, flowers white, in loose racemes, leaves somewhat entire, a) July 27, 1868. E. Humboldt Mts., Star Peak above St. Ruby. 5,000 ft. 4 sp. b) " 30, " " " Leakator Sawmill. 5,000 ft. 6 "c) Aug. 12, " " " Near same locality. 2" 214. C. rigidus, Nutt., var. prostratus. [illegible] much branched prostrate. [illegible] the leaves of Brattan is apparently the same with 3-5 teeth at apex. Sin only on the washore Mts. under pines. Dec. 4, 1867. Pearine Mt., Nev. 7,500 ft. 3 sp. May 4, 1866. Sandy foothills, head of Washoe Lake. 5,000 ft. 10" Sapindaceae 213 215. Acer grandidentatum, Nutt. Frequent in the Washoe Mts., + sometimes though rarely attaining 1" in diam. + 30-40" in height. The leaf is like that of A. macrophyllum, Ph. as figured in Hook. Fl. 2. t. 86, but and exceeding 3-4" in diameter. Flowers loosely compound. Fruit broadly winged. May 17, 1869. City creek canyon. In flower. 6 sp. 216. A. glabrum, Torr. var. trifurcatum. Rare in the E. Humboldt Mts., more frequent in the Washoe Mts. More than a shrub; leaves ternate or merely 3-lobed on the same branch. a) July 20 + 29, 1868. E. Humboldt Mts. Cañons, in shade of pines. 6-7,000 ft. 11 sp. + Aug. 24. b) June 28, 1869. Washoe Mts., Washoe. Peaks above Parley's Park. 7-8,000 ft. 5. c) July 14, " " " Above Cottonwood Lake. 10,000 ft. 6. d) Aug. 3 " " " Uintah Mts.- Ridge above Bear River Canyon, 5,000 ft. 1. e) " 24 " Washoe Mts.- American Fork canyon. 5,000 ft. 7 217. Nymphe aceroides, Shreve. Common in the Washoe Mts., but not met with west. leaves nearly 3-foliate, coarsely serrate. May 19, 1869. Washoe Mts., City creek canyon. Aug. 27, " " " American Fork Canyon 4, sp. 2