Riverside Mts., c. 300 ft. Colorado River.
a crown typically broader than high; foliage very dense for a desert tree, bluish cast. Clumps with 15 or 20 stems from the ground are often seen; perhaps these arise as stump sprouts. Always in the washes.
Another tree 6 ft 3 in. circ at 2 1/2 ft., 43 ft. diam. crown! and 29 ft. h. Cont. at bottom of page.
No. 5245. Composite bush 2 ft. h. and broader than high. Stems all white & leaves green.
No. 5243 cont. Not always with a terminal leaflet but generally, perhaps usually. Leaflets commonly obovate, or sometimes oblong-obovate. Best to say Leaflets obovate or cuneate-oblong!
= Riverside Co. 29 Oct. 1912.
Four prevailing plants:
1. Salix nigra -- Black Willow
2. Salix fluviatilis? -- Gray shrub with yellow bark (no. 5208).
3. Populus fremonti, Fremont Cottonwood.
4. Tessaria borealis, Arrow-weed.
These occur in pure stands or mixed with each other, covering leagues and leagues of bottom lands. No. 4 is most abundant, in individuals, then no. 1, no. 2, no. 3.
Screwbean Mesquite (Prosopis pubescens) occurs likewise on the bottoms, being more abundant there than anywhere else. Honey Mesquite also occurs on the bottoms & likewise abundantly in certain places (Prosopis juliflora).
- Cont. from footnote _ p. 51. I considered these shrubs (not in fl.) from Brannan's Ldg., Whipple Mts., the same as no. 5200.