TABLE OF CONTENTS 
The vegetation of Cranberry Island (Ohio) and its 
relations to the substratum, temperature, and 
evaporation. I (with seven figures)  - - Alfred Dachnowski 
A morphological study of Diospyros virginiana. 
Contributions from the Hull Botanical Labora- 
tory 145 (with platesI-III) -_ - - Stella M. Hague 
Undescribed plants from Guatemala and ‘ie 
Central American Republics. XXXIV - John Donnell Smith 
Apparatus for the study of — trans- 
piration (with five figures) - Edgar N. Transeau 
The adult cycad trunk. Contributions ‘esa the 
Hull Botanical Lebo sf bb twenty 
figures) - - Charles J. Chamberlain 
A botanical survey of the ‘Hatch ‘aires Valley. 
VIII. Edaphic conditions in peat bogs of 
southern Michigan (with eight figures) - George Plumer Burns 
The vegetation of Cranberry Island (Ohio) and © 
its relations to the substratum, temperature, 
and evaporation. II (with one figure) - Alfred Dachnowski 
A preliminary report on the yearly origin an 
dissemination of Puccinia graminis (with 
plate IV) - Frederick J. Pritchard 
Evaporation and dai succession. Contetnatons 
from the Hull Botanical camemeas +47 (with 
six figures) - George Damon Fuller 
The seeraniiteate. embryo sac of Clintonia ve 
plate V)- R. Wilson Smith 
The embryo sac a Pysostgi (with plate VI 
and VII) - Lester W. Sharp 
The Brazil nut (with clits VII ed one iguse} - W.J. Young 
An attempted a of er ape six 
figures) D. T. MacDougal 
Contribution Bee the poke Vow Sis. 
ew plants from Idaho - - Aven Nelson 
The ie viloinent of the ascocarp of Lachnea 
scutellata (with plate IX and fifty-one 
figures) - - - - - - - William H. Brown 
ve 
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