uu^. 



A LOWER JURASSIC FLORA FROM THE UPPER 

 MATANUSKA VALLEY, ALASKA 



BY 



F. H. KNOWLTON 



Custodian of Mesozoic Plants, United States National Museum 



No. 2158. — From the Proceedings of the United States National Museum, 

 Vol. 51, pages 451-460, with Plates 79-82 



Published December 16, 1916 



DEC 1 6 1916 



Washington 



Government Printing Office 



1916 



