PLATE CI I. 



Page. 

 Figs. 1-3. Sapindus affinis Newby. Yellowstone River below Elk Creelc 736 



4. Sapindus gbaxdifoltoli'S? Ward. Yellowstone River below Elk Creek 737 



5. Phyllites crassifolia u. sp. Fossil Forest 753 



844 



