Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXVI. No. 23. — March, 1901. 



CONTRIBUTIONS FROM THE CRYPTOGAMIC LABORATORY OF 

 HARVARD UNIVERSITY. — XLV. 



PRELIMINARY DIAGNOSES OF NEW SPECIES OF 

 LABO ULBENIA CEAE. — 1 1 1. 



By Kolaxd Thaxter. 



