ocr., 1899.] PLANTS. 157 
Pyrola secunda Linn. 
Decidedly less common than P. picta, but like it found in the Shasta 
fir forest. 
Pterospora andromede Nutt. Pinedrops 
Found in the dry woods along the border between the Canadian and 
Transition zones. (Identified by Professor Greene.) 
Pleuricospora fimbriolata Gray. 
Collected at Wagon Camp by Miss Wilkins. (Identified by F. V. 
Coville.) 
Sarcodes sanguinea Torr. Snow Plant. 
This handsome plant is reported as common on the forested slopes of 
Shasta at the time of melting snow in spring. It probably occurs in 
both the Canadian and Transition zones. 
Arctostaphylos nevadensis Gray. Dwarf Mountain Manzanita. 
Common in the Canadian and Hudsonian zones, growing in extensive 
beds a foot or less in height. On the high ridges, among the timber- 
line Pinus albicaulis, these beds of green cover the pale gray lava 
rocks, and in the dark forests of Shasta fir they form the only con- 
spicuons surface vegetation. 
Arctostaphylos patula Greene. Green Manzanita. 
The most abundant and troublesome chaparral of Shasta. It is a 
characteristic Transition zone species and covers the lower slopes all 
the way around the mountain except a belt about 10 miles wide on the 
Fic. 45.—Manzanita chaparral. 
northeast base, reaching from Ash Creek to about 3 miles northwest of 
Inconstance Creek, which is too cold for it and is occupied by Canadian 
zone species. On the north, west, and south it covers practically the 
whole of a broad belt several miles in width, reaching from base level 
