No. 6 
OTANICAL GAZETTE 
June ro1mr 
Editor: JOHN M. COULTER 
CONTENTS 
: Ss Cell and Nuclear Division in Closterium B. F. Lutman 
The eal Evernia as Represented in North and 
iddle America R. Heber Howe, Jr. 
z Imbedded Sexual Cells : the Polypodiaceae Margaret C. Ferguson 
An American Lepidostrobus John M, Coulter and W. J. G. Land 
Suggestions Concerning the Terminology of Soil 
z Bacteria Jacob G. Lipman 
Briefer Articles 
Note Concerning the Discovery of the Nucleus 
Nuclear Phenomena in Puccinia Podophylli 
W. Marquette 
Lester W. Sharp 
Current Literature 
oa Oe University of Chicago Press 
| CHICAGO, ILLINOIS 
CAMBRIDGE urivensirY pra London and Edinburgh 
WILLIAM WESLEY & SON, London : 
TH. plein i Leipzig 
