CONTENTS 



VAOB 



A Contribution to Our Knowledge of the Pyrenomycetes 



of Porto Rico. . ........ . . C. E. Chardon 279 



California Hypogaeous Fungi — Tuberaceae. H. E.Parks 301 



The Heteroecism of Puccinia montanensis, P. Koeleriae, 



and P. apocrypta. E. B. Mains 315 



New Japanese Fungi. Notes and Translations — X. 



T. Tanaka 323 



Some of the Ways of the Slime-mould. T. H. MacBride 3 29 



Notes and Brief Articles . . . . 335 



Index to American Mycological Literature 3 51 



Index to Volume XIII 356 



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