Volume LVII Number 3 Wf 
THE 
BOTANICAL GAZETTE 
Editor: JOHN M. COULTER 
MARCH 1014 
The Anatomy of Ophioglossum pendulum Loren C. Petry 
Some Effects of Colloidal Metals on Spirogyra W. D. Hoyt 
The Function of Manganese in Plants W. P. Kelley 
The Development of the Prothallium of Camptosorus 
rhizophyllus ¥F. L. Pickett 
Current Literature 
The University of Chicago Press 
CHICAGO, ILLINOIS, U.S.A. 
Agents 
THE CAMBRIDGE UNIVERSITY PRESS, London and Edinbersh 
LO NEEL © 908, Lanier - i 
THE Mi RUZ! ts | Tokve, Ovake, Kyoto ze ce oy 2 
