Notes on some Species of Oak Ijidigcnoits to California. 205 



the State. The acorns are borne in clusters of two or three ; the nut short 

 and thick ; and the cup, wliich is an inch in diameter, is tliickly covered 

 witli rigid subulate or thread-like scales, which become reflexed or recur\'ed 

 {Botany of Facifc-railroad Siin'cy, 1. c). 



7. Q. Evioryi (Torrey). — A species occurring in New Mexico, and fig- 

 ured and described in Emory's Report. A species of the American mistle- 

 toe ; is parasitical on its branches. 



8. Q. Gaj'rcyana (Hooker). — The white oak of Calfornia, first noticed 

 by Menzies in the North-west Territory, and afterwards detected by him in 

 California. A fine tree, forty to eighty feet high. Nuttall, however, saw 

 some in Oregon which he describes as from ninety to a hundred feet in 

 height ; though Dr. Eigelow saw it attaining the height only of thirty feet 

 ^ Flora Bar. Am., vol. ii. p. 159 ; Pacific R. R. Rep., p. 13S). 



9. Q. Hlndsii (Beuth). — The long acorn-oak. A tall tree, with a tmnk 

 three feet in diameter, common in the Valley of the Sacramento. It is 

 noted for the great length of its acorns, even two inches in length, and 

 either tapering to a point, or obtuse at the summit ; the cup tuberculate, 

 with thickened scales {Pacific R. R. Rep., 1. c). 



10. Q.lobaia (Nees). — This species, according to Bolander, is the most- 

 oommon and largest oak in all the vallej^s of the interior of California ; a 

 mighty oak, with peculiar gracefully-drooping branches, and noted for its 

 'ong acorns. One of the white oaks of California (Bolander, 1. c). 



11. Q. Sonomcnsis (Beuth). — The Californian black oak ; a middle-sized 

 Iree, with the branches mostly numerous and erect. Its leaves fall off early, 

 and become buff-colored. The acorns of this and of the preceding species 

 -ire both used by the Indians as food (Bolander 1. c). 



12. (?. tinctjria, var. Calif arnica (Bartr. and Torrey). — A common tree ; 

 and though closely allied to the typical form of the Eastern States, yet 

 probably a distinct species. It occurs throughout the Valley of the Sacra- 

 mento as far south as San Diego (Torrey, Pac. R. R. Survey, p. 138). 



The importance of the oaks in planting for efTect and ornamentation 

 naturally directs attention to species, which, though of different climatic 

 peculiarities, are worthy experiment in areas where these several species of 

 the Pacific coast might find soil and climate appropriate to their cultiva- 



