The Botanical Gazette 
Montbly Journal Embracing all Departments of Botanical Science 
by Jom M. CouLter and CHARLES R. BARNES, with the assistance of other members of the 
botanical staff of the Untenals of Chi 
No. 5 Issued November 15, 1905 
CONTENTS 
‘OF IRRITABILITY IN ALGAE hatiale TWENTY-SEVEN oe ae J. 
Peirce and Flofa A. Randolph Page We 
m AND BOG FLORA OF THE HURON RIVER VALLEY — SIXTEEN 
Figures). Edgar Nelson Transeau - 351 
ARTICLES. 
Notes ON NorTH AMERICAN WILLOWS (WITH PLATES XII AND xmt). I. Carleton R. Ball 376 
Lag » rma 
- 5. - : se : é eS é “ “ - 381 
lee IN ECOLOGY. 
NOR NOTICES ‘ ¥ ‘ x 3 ‘ fi ca - oc 38a 
S FOR STUDENTS elt eign @ 4 go. eb ee one eee eres ee 
eg ce as 6 ol OR ee a 
“a nications for the Editors should be addressed to them at the University of Chicago, Chicago, Ill 
are requested to write scientific and proper names with particular care, to use the metric 
sights and acaie. and in citations to follow the form shown in the pages of the BoTANICAL 
» if desired, must be ordered in advance of publication. Twenty-five separates 0! f original 
i covers) will be furnished gratis. Additional copies and covers (if desired) will be supplied 
stespondence should be addressed to The University of Chicago Press, Chicago, Ill. bh 
$5.00 per ye Single copies 50 cents. Postage prepaid by publishers for all bone 
States, Canada, Mexico. , Cuba, Porto Rico, Panama Canal Zone, Republic of 
» Philippine Sash dc Guam, Tutuila (Samoa), Shanghai. For all other 
N, £1 4s per 
ex St, ier London, hates Agents. 
; 21, 1896, At the Post-Ofice at Chi as second-class matter, under Act of epics 
Copyright, ic the University of Chicago. 
