Pig. 1. Open woods of Pinus afi»?cawlis just below timber line, 8,000 PiG. 2. Headwaters of Woods Creek, Pinus murrayana, P.albicaulis 
feet ; on a branch of Horse Creek, Idaho-Montana line. and Picea engelmannii, with small open meadows containing 
willows. [Photograph, L. H. Pammel. ] 
Plate XXVI I. 
