Che Botanical Gazette 
A Monthly Journal Embracing all Departments ot Botanical Science 
Edited by JoHN M. CouLTErR, with the pastas of aus members of the botanical staff of the 
Uni y of Chic 
Soca: er 15, = 
Vol. LV CONTENTS FOR APRIL 1913 | No. 4 
Baar eh OF CERTAIN CHLORIDES SINGLY AND seen kt IN PAIRS ON 
ACTIVITY OF MALT DIASTASE. Lon A. Hawkin 
A at wes, of ab AND CHEMICAL STUDY OF AFTER-RIPENING. ConTRIBUTIONS 
M THE Hut BoTANIcaL Laporarory 170. Sophia Eckerson 
THE CALIFORNIA PAROSELAS. (wits FIVE Figures). S. B. Parish eet, San ee 
THE uti OF SOME PUGET SOUND BOG WATERS ON THE ROOT HAIRS OF 
TRADESCANTIA. George B. Rigg - - oot ek Sony he 
CURRENT LITERATURE 
BOOK REVIEWS’ 2 = Pe Se Ee RRR TE see rr 
THE ECOLOGY OF WATER PLANTS. PLANT BREEDING IN SWEDEN... THE COTTON. PLANT. 
MINOR NOTICES A ao oe mone tk : a - g - : one a ae 
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