170 



American Midland Naturalist Monograph No. 4 



may be confused. Elk and deer browse the foliage to a certain extent during 

 the winter when more palatable feed is not available. 



Occurrence. — OLYMPIC: trail to Constance Ridge. MOUNT RAINIER, rare, 3,000 to 

 5,500 feet: Crystal Lake trail; Stevens Canyon. CRATER LAKE, common, 5,200 to 7,200 

 feet: valley adjacent to Wheeler Creek, southeast corner of park; slopes around rim of 

 lake; along south entrance highway. LASSEN, occasional, 6,000 to 8,500 feet: Manzan- 

 ita Lake. YOSEMITE: Mount Dana. SEQUOIA, occasional: Kern Canyon above Junction 

 Meadows. GLACIER, common en open slopes and in old burned-over areas, 4,000 to 

 4,800 feet: Belton; St. Mary Lake near Baring Falls; Otokomi Lake trail; Logging 

 Mountain; between Josephine and Swiftcurrent Lakes; Dry Fork Two Medicine Val- 

 ley. YELLOWSTONE, common throughout the lodgepole pine belt. GRAND TETON, common, 

 6,500 to 9,500 feet: mouth of Granite Canyon; mountain sides back of national park 

 headquarters; Cascade Canyon along trail; Jackson Lake. ROCKY MOUNTAIN, common 

 m open woods at the upper elevations. 



12. Fresno Mat (Ceanothus fresnensis Dudley). — Low, nearly pros- 

 trate shrub with thick, spreading branches, forming mat-like clumps sometimes 

 10 feet across; leaves opposite, small, 1/6 to % inch long, thickish, oblong, 

 slightly broader and shallowly toothed at the tip; flowers bright blue, borne 

 in small clusters; fruits small, about 1/6 inch long, with 3 short horns on the 

 sides near the top; occurs on mountain ridges in the ponderosa pine belt of 

 the middle Sierra Nevada of California. 



Occurrence. — YOSEMITE, rare, 5,000 to 6,200 feet: I '/i miles northeast of Alder 

 Creek ranger station: south of Gin Flat; 1 mile south of Chinquapin. 



Fig. 98. Squaw carpet ceanothus 

 (^Ceanothus proslralus) , 



13. Squaw Carpet Cean- 

 othus (Ceanothus prostratus 

 Benth), fig. 98. — Prostrate 

 shrubs with branches lying 

 along the ground, forming 

 mats; leaves opposite; 1/3 to 1 

 inch long, thickish, rigid, 

 green above and white or rusty 

 below between the veins, more 

 or less wedge-shaped to oval 

 with large stiff teeth, especially 

 above the base; flowers blue, 

 borne in small, rounded clus- 

 ters; fruit globose, not lobed, 

 with 3 large wrinkled horns 

 at the top. 



Occurrence. — CRATER LAKE: 

 Garfield Peak trail. LASSEN, up to 

 7,000 feet: Hot Springs Valley. 

 YOSEMITE: Panoche Peak, Mari- 

 posa Co., a little west of park 

 boundary south of El Portal. 



14. Kern Ceanothus (Ceanothus pinetorum Cov.). — Low shrub, i^ 

 to 3 feet high; leaves elliptic to roundish, the margins toothed with 5 to 8 

 stiff, sharp-pointed teeth, smooth above, some very finely fuzzy below, 1/2 to 1 



