Che Botanical Gazette 
A Montbly Fournal Embracing all Departments of Botanical Science 
Edited by Joun M. CouLtrer and CHARLES R. BARNES, with the assistance of other members of the 
botanical staff of the University of Chica 
Issued June 23, 1910 
Vol. XLIX CONTENTS FOR JUNE 190 No. 6 
THE EFFECT OF SOME TOXIC SOLUTIONS ON MITOSIS si spite SEVEN TEXT Sepiucten' 
Warner W. Stockberger 401 
THE RELATION OF HAIRY AND CUTINIZED COVERINGS TO TRANSPIRATION 
(WITH ONE FIGURE). Karl M. Wieg - - 430 
THE MORPHOLOGY OF THE PERIDIAL CELLS IN THE ROES TELIAE ete a PLATES 
XXI AND XXII AND TWO FIGURES). Frank Dunn Kern - - 445 
UNDESCRIBED PLANTS FROM GUATEMALA AND OTHER CENTRAL AMERICAN 
REPUBLICS. XXXII. John Donnell Smith = 453 
BRIEFER ARTICLES 
SIMPLE VAPORIMETER (WITH ONE be brs Edgar N. Transeau - - - - - 459 
PHYLOGENY OF PLaNts. /, 2. otsy ~ . % : és ‘ ee so Bee re 
CURRENT LITERATURE 
BOOK REVIEWS Se eee ae ea ge Seca 462 
THE TREES OF CALIFORNIA. THE TREES OF KENTUCKY. 
MINOR NOTICES - = s - ‘ “ “ : : - 464 
NOTES FOR STUDENTS - - - : : - - - - 
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