The Botanical Gazette 
A Montbly Fournal Embracing all Departments of Botanical Science 
Edited by JoHN M. CouLTeR and CHARLES R. BARNES, with the assistance of other members of the 
botanical staff of the University of Chic 
Issued March 15, 1910 
Vol. XLIX CONTENTS FOR MARCH 1910 No. 3 
ON chet Peete ca THE BROAD RAY IN chara cage OW PLATES VIII AND Sie 161 
0) coke r fe 
THE meen pia OF ANEIMIA AND LYGODIUM.. ContriputTions — THE avin 
BOTANICAL LABORATORY 136 (WITH PLATES X AND XI). Zadtth Minot Twi I 
THE STRUCTURE AND RELATIONSHIP ‘Ae ake sabi ria gd ers (wine PLATE XII AND 
THREE FIGURES). /. D, Heald and F. A. Wolf 182 
THE EXCHANGE OF TERIAL BETWEEN NUCLEUS any CY’ cgetgtocs a 
PEPEROMIA SINTENISIE (WITH PLATE xl). William H. Bro 189 
athe asaya nan — pea Grint PLATES XIV-XVI AND ONE tetata 
MeCub 195 
ON paystoLogicaL.y wget ihaceon sas sacha FOR age oe ag: Gat subtilis). Charles 
Lipm 
Kelbens ARTICLES 
THE PHYSIOLOGICAL CONDITIONS FOR THE DEVELOPMENT OF MONOECIOUS iid erg 
IN ONOCLEA STRUTHIOPTERIS. ote spite icone 
CECIDOLOGY IN AMER 
FIXING AND ae Tannin of ci Tissues WITH NirRous ETHERS (WITH E EIGHT 
FIGURES). £. Vin - + - . 
CURRENT Li esniie iia ack 
PHYLOGENY OF PLANTS 
MINOR NOTICE ee ee ee cs 
NOTES FOR STUDENTS wt Soe tae SS ald U Pa AA Sak a as eee ce 
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