EXPLANATION OP PLATES. 

 PLATE ONE. 



Fig. 1. Viola bellidifolia Greene, from Thompsons Canyon on Longs Peak (10,500 feet altitude); natural size. 



2. Lychnis montana Wats. 



3. Same species, both from Pikes Peak ( 14,000 feet altitude) ; natural size. 



4. Same species, from Longs Peak (12,000 feet altitude); natural size. 



5. Stdlaria umbellata Turcz., from Pikes Peak (14,000 feet altitude); natural size. 

 0. Same species; the inflorescence; enlarged. 



7. Same species; a floral shoot with stolons; enlorged. 



8. Calandrinia jyygmaea Gr.; a seedling showing the swollen primary root, and the cotyledons; from James Peak 



(13,000 f eet altitude) ; enlarged. . 



9. Same species from the same locality; natural size. 



