Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXV. Xo. 21. — Apkil, 1900. 



CONTRIBUTIONS FROM THE CRYPTOGAMIC LABORATORY OF 

 HARVARD UNIVERSITY. — XLII. 



PRELIMINARY DIAGNOSES OF NEW SPECIES OF 

 LABO ULBENIA GE^. — II. 



By Rol.\xd Thaxter. 



