The Botanical Gazette — 
a Monthly Journal Embracing all Departments of Botanical Science : 
Edited PY Jous M. COULTER, with the ASsistatice of ee members of the botanical staff of me 
University of Chic 
Issued September re 1951 
Vol. LIE = © CONTENTS FOR SEPTEMBER 1931 gS oe as 
A PRELIMINARY REPORT ON THE -YEARLY ORIGIN AND DISSEMINATION. OF 
-PUCCINIA GRAMINIS (with PLATE IV). Frederick J. Pritchard - 169 
EVAPORATION AND PLANT SUCCESSION. CONTRIBUTIONS FROM THE-HULL BOTANICAL 3 
LABORATORY 147 (WITH SIX FIGURES), . George Damon Fuller +e 932 oo 
THE TETRANUCLEATE EMBRYO SAC OF CLINTONIA (WITH PLATE v). R. Wilson er 
Ss oy ORE ee Ta ee eG ei So eS eae 
THE EMBRYO SAC OF PHYSOSTEGIA (with pLates vi-vu). Lester W. Sharp - -- 218 
THE BRAZIL: NUT (with PLATE ‘VINE AND ONE FIGURE). W.J. Young 9 -  - «= 226 us 
ceyeae ARTIC 
N IMBEDDING ReeSe FOR BRITTLE OR Wooby Tissues. 4. AL Benedict - : - 232 
CURRENT. Diba gon 
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(PLANT AND ANIMAL BREEDING FOR \SECONDARY SCHOOLS. | POPULAR MANUALS, 
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DEORE HONORS 3) SE RR ee CR TAS en ae aa 
. NOTES FOR STUDENTS oY bee ee nee eer ee ee oS oe eg ee ee ee 
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