Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXVII. No. 2. — June, 1901. 



CONTRIBUTIONS FROM THE CRYPTOGAMIC LABORATORY OF 

 HARVARD UNIVERSITY. — XLVII. 



PRELIMINARY DIAGNOSES OF NEW SPECIES OF 

 LABO ULBENIA CEAE. — IV. 



By Roland Thaxter. 



