_ ‘onfer with the editors 
Che Botanical Gazette 
A Montbly Journal Embracing all Departments of Botanical Science 
Edited by JoHN M. CouLTER, with the Mabon of me members of the botanical staff of the 
University of Chic 
Issued May 17, 1931 
Vol. LI CONTENTS FOR MAY 1911 No. 5 
THE MODE OF CHROMOSOME REDUCTION. Reginald Ruggles Gates - - . roa CR 
FILICES WILSONIANAE (witn two FIGURES). HH. Christ - * ‘ bi 7. 345 
TWO EPIPHYTIC ALGAE (wirH PLATE xvull). Julia W. Snow - -. 360 
AHE DEVEL ~ygciild OF THE SPORES OF PLEURAGE ZYGOSPORA edd PLATE 
ix LM 369 
NOTES ON ctenieg BILOBA (WITH PLATE xx). Walter W. Tupper - - = 308 
THE “ea OF THE CHLOROPLASTS IN THE COTYLEDONS OF HELIANTHUS 
NNUUS (witH PLATE xx1). Edwin C. Miller - 378 
parses ARTICLES 
© SPROUTING CONIFERS OF THE SOUTHWEST (WITH FOUR FicuRES). F./. Phillips - 385 
ar DIVISION IN LYNGBYA (PRELIMINARY NOTE), William H. Brown ct = 390 
CURRENT LITERATURE 
BOOK REVIEWS a ee Se ome ee 
INTRACELLULAR PANGENESIS. A PLANT PHYSIOLOGY 
MINOR NOTICES - - a pe ca 4 ls e Se ie ui i - 304 
NOTES FOR STUDENTS Be pee Re eee ee pee gay see eee gem Eee 
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