U. S. GEOLOGICAL SURVEY 



PROFESSIONAL PAPER 130 PLATE XXVIII 



1-4. Piatacia eriensis Knowlton, u. sp.; p. 150. 

 5, 6. Pistacia hollicki Knowlton, u. sp.; p. 151. 



LARAMIE FLORA. 



7. Phyllites marshallensis Knowlton, u. sp.; p. 165. 



