A QUARTERLY RECORD OF 
CRYPTOGAMIC BOTANY 
AND ITS LITERATURE. 
Edited by M. C. COOKE, M.A., A.L.S., 
Author of “Handbook of British Fungi,” “ Illustrations of British 
Fungi,” “ Fungi, their uses,” dc., “ Bust, Smut, Mildew, 
and Mould ,’ ’ “ British Fresh Water Algce,” 
“ British Besmids ,” dfc., tyc. 
VOL. XX. 
18 9 1-9 2 . 
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WILLIAMS and NORGATE, 
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LEIPZIG! F, A. BROCKHAUS. NEW YORK: WESTERMANN & CO, 
