Che Botanical Gazette 
A Montbly Journal Embracing all Departments of Botanical Science 
Edited by JoHN M. CouLTeErR, with the pease of a members of the botanical staff of the 
Uni y of Chi 
Issued pi 15, 1914 
Vol. LVII CONTENTS FOR APRIL 19134 No, 4 
THE EFFECT OF SHADING ON THE TRANSPIRATION AND xyapoeersaso nae i OF: te 
TOBACCO PLANT IN CUBA (wits one FicuRE). Heinrich Hasselbring 257 
A PRELIMINARY INQUIRY INTO THE SIGNIFICANCE OF TRACHEID- CALIBER IN 
CONIFERAE. Percy Groom 
NOTE ON THE epeereic CONDITION ‘OF THE GENUS "ASCHERSONTA MONTAGNE 
VEN FIGURES). Roland Thaxt. 308 
Seb OL OCIA. INSTABILITY, BSPECIALLY IN PINUS RADIATA (were TWO FIGURES 
AND PLATE XIV). Francis E. Lio 344 
LIFE jog OF PORELLA PLATYPHYLLA. Co ONTRIBUTIONS FROM THE Hig Boranteat 
RATOR WITH PLATES XV AND Xv1). Florence L. Manning 320 
THE EFFECT OF peo gama sa? apse ps = — oSrbike * GROWTH OF DATE 
PALMS (wir FIGURE). A. E. Vins 324 
BRIEFER ARTICLES 
THe Type Species or DAntHonta. A. S. Hitchcock  - sp spas 
A METHOD oF abo = ana nag TO Be IMBEDDED IN Picioowe (wins ONE ve wiouns): 
rap R. Walker 33° 
: aie Be ee ie rk ee a 
c URREN: a EEA URE 
$3 ss - - = Se 
pees aR OF WESTERN CHINA. FLORA OF MANILA. -A PLANT PHYSEQLOGY. DISEASES 
_OF TROPICAL PLANTS. A WEED FLORA 
MINOR NOTICES Pe EL £ ti a wf s ge 5 ee a - Seas & 
NOTES FOR srupENTs = i is ‘~ ss s reg 2 i ‘é e - ~ 335 
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