olume LV Number 3 
eee 
OTANICAL GAZETTE 
Editor: JOHN M. COULTER 
March r9r3 
Inheritance of Flower Size m Crosses between Species of. 
Nicotiana E. M. East 
The Climax Forest of Isle Royale, Lake Superior, and Its 
Development. III William S. Cooper 
Studies on the Phloem of the Dicotyledons Ansel F. Hemenway 
Paraffin Blocks for Growing Seedlings in Liquid Culture 
Solutions Conrad Hoffmann 
Briefer Articles 
A — Revolving Table for Standardizing Porous Cup Atmom- 
G. BE. Nichols 
Pollsbutag by Ginkgo M. Starr 
Current Literature 
The University of Chicago Press 
CHICAGO, ILLINOIS, U.S.A. — 
Agents 
THE CAMBRIDGE UNIVERSITY PRESS, London and Edinburgh 
is ae 
THE N ; Tokyo, Osaka, Kyoto 
