U. S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF BOTANY. 



CONTRIBUTIONS 



THE U. S. NATIONAL HERBARIUM. 



Vol. V, No. 5. 



ISSTJED ^TJ&XJST 1, 1900. 



THE PLANT COVERING OF OCRACOKE ISLAND; A STUDY 

 IN THE ECOLOGY OF THE NORTH CARO- 

 LINA STRAND VEGETATION. 



THOMAS H. KEARNEY. JR. 



OK 178 



K4 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1900. 



