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Jepson Field Book volume 15 page 26 | University and Jepson Herbaria Archives, University of California, Berkeley

Jepson Field Book volume 15 page 26
Kew Herbarium  = Brewer, Wm. H, letters to W.J. Hooker. (1) Sept. 19, 1896, says he wants a perennial forage plant for California. Intensely hot dry summers with hot days and cool nights. Most valuable forage plants Erodium cicutarium and "Avena sterilis" (Wild oats of the hills). Alfalfa introduced but does not answer hopes raised by it. South Coast Ranges, radiating ridges from San Bernardino mass, each chain having different height (2-7000 feet), dif. Geol. structure, dif. features, and impart dif. aspects to the scenery. All very steep and abrupt, cut by numerous canons and gullies and sharp ridges, destitute of forests save near the sea, covered with chap- ::::::::: Nov. 9, 1905.  arral of low shrubs making them exceedingly inaccessible. Chaparral = Manzanita, Ceanothus, scrub oaks, mostly thorny, 3 to 12 ft. h, must be met to be appreciated. The valleys open to the sea N.W. have a fierce current of air drawn up them every day; extends more or less to the mountains but not as much as might be expected; the result is the mountains are the hottest. 90 [degrees] F. at 5000 ft. and 99 [degrees] at 3000 ft. I have found. (2) Aug. 12, 1862. Oak growing under the greatest variety of conditions is Quercus agrifolia, symmetrical head over 100 ft. diam, evergreen foliage peculiarly rich and dark green. Quercus
University and Jepson Herbaria Archives, University of California, Berkeley
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