Bailey & Bailey: Woody Plants of National Parks 



187 



make this an attractive ornamental species although it is not an evergreen. 

 The foliage has been found to be poisonous to Hvestock. 



Occurrence. — YOSEMITE, occasional, 4,000 to 8,300 feet: Yosemite valley; near 

 Sentinel Hotel; Mirror Lake; near Glacier Point; Cloud's Rest trail; Illilouelte 

 Creek; % mile southwest of Crescent Lake; Lake Eleanor. 



3. Cascades Azalea {Rhododendron albiflorum Hook.). — Shrub 2 to 4 

 feet high with erect or clustered branches; leaves thinnish, oblong, pointed at 

 both ends, 1 to 21/2 inches long, occurring in bunches of 5 to 10 towards the 

 ends of the stems; flowers bell-shaped, 1/2 to 1 inch long, creamy-white or 

 yellowish with a greenish center, borne in nodding clusters of 1 to 3; capsule 

 splitting into 5 sections. 



This is a small shrub common in the parks of the Northwest. It is usu- 

 ally found in scattered patches at the higher elevations, but is sometimes one 

 of the dominant shrub species in the middle elevation forests. The foliage 

 is poisonous to livestock. 



Occurrence. — OLYMPIC, common, 3,500 to 6,000 feet: Lake Margaret near Low 

 Divide; Marmot Lake; Marmot Pass, east of park boundary; Constance Ridge. 

 MOUNT RAINIER, abundant, 4,500 to 5,500 feet: Paradise Park; trail to Reflection Lake. 



Black Laurel Leucothoe (Leucothoe 

 Davlsiae Torr.). — Erect evergreen shrub 2 

 to 5 feet high; stems yellowish-brown; leaves 

 oblong to elliptic, % to 3 inches long, most- 

 ly blunt-pointed, dark shiny green above, 

 paler below, smooth on both sides, the mar- 

 gins toothed or not toothed; flowers white, 

 small, about % inch long, urn-shaped, borne 

 on short nodding stems on simple erect 

 branches 2 to 4 inches long; fruits flattened- 

 globose capsules, splitting down the backs 

 of the cells. 



Black laurel occurs in the California 

 parks where it is commonly found in wet 

 places. The herbage has been found to be 

 poisonous to livestock^^O and it is seldom 

 browsed. 



Occurrence. — YOSEMITE, occasional, 5,000 to 

 7,000 feet: west of Crane Flat; Tuolumne 

 Grove; Merced Grove. 



Leatherleaf (Chamaedaphne calycu- 

 lata (L.) Moench.), fig. 109.— Erect ever- 

 green shrub up to 4 feet high, with loose, 

 widely spreading branches; leaves elliptic or 



Fig. 109. Leatherleaf {Chamae- 

 daphne calvculata) . 



40 Range Plant Handbook B 92: United States Department of Agriculture, 

 Porest Service. Washington, D. C. 1937. 



