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Jepson Field Book volume 26 page 90 | University and Jepson Herbaria Archives, University of California, Berkeley

Jepson Field Book volume 26 page 90
Riverside Mts., c. 300 ft. Colorado River. ---------- - Camped last night on a sandbar in the middle of the river bed. Went into camp at 5:15 and again into the stream at 8:20 this a.m. We now have the Riverside Mts. in full view; they parallel the river for many miles. The prominent mt._ so near the river which we passed yesterday is not Riverside but the end of a range perpendicular to the river and separated as we now see from the Riverside Mts by a low broad swale_. The Riverside Mts are marked from far up the river by four equally spaced peaks of equal size & appearance. These stand centrally in the range as observed from here. As we have come nearer the northerly peak is seen at this angle to consist of 4 equal teeth and the southerly peak is truncated. _= Riverside Mts on contour map; prob. the whole are called so. ::::::::: = Riverside Co.  29 Oct. 1912 ---------- No. 5243. Olneya tesota Gray. Tree 5 ft. 6 in. circ., at 1 ft., 19 ft. h., about 26 ft. broad, branching low, at 2 & 3 ft., but only one main trunk. Leaflets 15 or 16, one always terminal in any case. Stipular spines (in pairs) always present! Washes. Another tree 4 ft. 10 in. at 3 ft., & 25 ft. h. and crown fully as broad._ Cont. p. 92. No. 5244. [Mammillaria tetrancistra Engelm.] Cactus. Fruit crimson! smooth. ---------- _ Bark light-colored, smooth, roughened and shredding in thick narrow strips only on old trunks. In its best form a tree with a single trunk 1 to 4 ft. h., giving rise to many upright or ascending branches, forming
University and Jepson Herbaria Archives, University of California, Berkeley
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