24 CUN I Kibeiiudws LO WESTEKN BOTANY 
Pinus monophylla Eng. The type of this species has ent re 
and single leaves, rather long-acuminate, normally 3 inches long. 
Engelmann, when describing it, mentions the fact of its having 2 
Juniperus. 
of confusion, dae to such closet botanists ag Sargent. The chiet 
trin Mexicana, Engelmann clearly places this with the big and 
red fruited Californica, and has slender branches and squarrose 
scales. What the Texan botanists call this species has blue and 
small fruit and must belong to the occidentalis group. This has 
been chopped up, on trivial characters, into three times as_ many 
species as exist, 
aspalum tenuissimum n. sp. 
27584, on the prairie at the laguna, Laguna mts. L. Calif., low- 
er temperate life zone, 6500 ft. alt., and along the down trail, 
broad sheaths, the blades 1-3 inches Jong and about 1 mm. wide 
Whole plant smooth. Stems 3-5-times as long as the leaves and 
threadlike, and leafless above the base, terminated by a single fal- 
i owers ashy- 
a ve 
dark ground. It is strange that Brandegee and Goldman did not 
get this very common grass on the Laguna mesa. ae 
