Volume LVII Number 6 
THE 
BoTANICAL GAZETTE 
Editor: JOHN M. COULTER 
JUNE r10%4 
Winter as a Factor in the Xerophily of Certain Evergreen 
Ericads Frank Caleb Gates — 
The Morphology of Araucaria brasiliensis. I 
L. Lancelot Burlingame 
The Origin of Monocotyledony John M. Coulter and W. J. G. Land 
A Method of Controlling the Temperature of the Paraffin 
Block and Microtome Knife W. J. G. Land 
Briefer Article 
Successful Artificial Cul € Clit yb iliud d Armillaria 
V. H. Young 
The “quae of Bare Ground in Some Mountain Grasslands 
Francis Ramaley 
The Oxidases of Acid Tissues G. B. Reed 
The Type Species of Danthonia Aven Nelson and J. Francis Macbride 
Maturation in Vicia Lester W. Sharp 
Current Literature 
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The University of Chicago Press 
CHICAGO, ILLINOIS, U.S.A. 
Agents 
THE CAMBRIDGE UNIVERSITY PRESS, London and Edinburgh 
Pingo & ripe London 
‘ial ciara oc "Dekel : 
