CONTENTS. 
P?ge. 
Letter of transmittal , . . ix 
Introduction „ „ 1 
Localities in Bitter Creek Valley 5 
Coalville, Utah, and vicinity 7 
Other localities ; 9 
Belly River flora and its relation to the Montana flora 9 
Description of plants collected hy Lester F. Ward on the right bank of the 
Missouri River, 7 miles below the Coal Banks, August 24, 1883 11 
Discussion of the Belly River flora 15 
I Description of the plants of the Montana formation 17 
Discussion of the Montana flora 76 
Index „ 117 
v 
