BOTANY. 
89 
Quercus Garryana, Hook. Flor. Bor.-Amer. 3 , p. 159. Northern California and Oregon. 
Quercus Hindsii, Benth. Bot. Sulpli. p. 55. Sacramento valley, Cal. 
Quercus Kelloggii, Neivb. Q. tinctoria var. Californica, Torrey, in Whipple’s Rep. p. 138. 
Hills near San Francisco and Fort Reading. 
Quercus densiflora, Hook. &Arn. Bot. Beech, p. 391. Q. Ecliinacea, Torr. 1. c.; Nutt. Sylv. 1, 
p. 11, t. 5. Foot hills, Sierra Nevada, Cal. 
Quercus fulvescens, Kellogg , Proc. Cal. Acad. 1 ,p. 67, 71. Q.crassipocula, Torr. 1. c. Banks 
of Canoe creek. 
Quercus (Sp. -.) We passed through thickets of a small oak, near Lassen’s butte, N. 
Cal., which is apparently undescribed. Our specimens were unfortunately lost in crossing the 
Cascade mountains. The leaf and fruit resemble those of Q. Garryana, but the plant grows 
but 5 or 6 feet high. 
Castanea chrysophylla, Dougl. in Hook. Flor. Bor.-Amer. 2, p. 159. N. California and 
Cascade mountains, 0. T. 
Corylus rostrata, Ait. Common in Oregon Territory. 
MYRICACEiE. 
Myrica Californica, Cham. & Schlecht in Linnea, p. 535. On the coast near San Fran¬ 
cisco, California. 
BETULACEiE. 
Betula glandulosa, Michx. Spliagnous marshes, Cascade mountains, 0. T.; latitude 44°. 
Betula occidentalis, Hook. Flor. Bor.-Amer. 2, p. 155; Nutt. Sylv., p. 22. Banks of Psuc- 
see-que creek, Des Chutes basin, 0. T. 
Alnus Oregana, Nutt. Sylv. 1 , p. 28, t. On the Sacramento and Columbia rivers. 
Alnus viridis, DC. FI., Fr. 3, p. 304. Cascade mountains, 0. T. 
SALICACE2E. 
Populus TREMULOIDES, Michx. Flor. Amer. 2, p. 243. Along streams, N. California and 
Oregon. 
Populus angustifolia, Torr. Ann. Lyc. Nat. Hist. 2, p. 249. Banks of Columbia river. 
Populus monilifera, Ait. Banks of Sacramento river, California. 
Salix Hindsiana, Benth. PI. Hartw. No. 1956. Banks of Sacramento river, California. 
Salix lasiandra, Benth. PI. Hartw. No. 1954. Banks of Sacramento river, California. 
Salix pentandra, Nutt. Sylva, 1 , p. 61, t. 18. Banks of the Willamette river, 0. T. 
Salix speciosa, Nutt. Sylv. 1, p. 58, t. 17. Banks of Columbia river, 0. T. 
PLATANACE2E. 
Platanus racemosa, Nutt. Sylva, 1 , p. 47, t. 15. Sacramento valley, California. 
URTICACEiE. 
Urtica gracilis, Ait. McCumber’s Flat, N. California. 
Urtica urens, ? Linn. Banks of Canoe creek, N. California. 
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