BOTANICAL ABSTRACTS 



Founded September 1918 to supply 

 citations and abstracts of all papers, 

 wherever published, dealing with 



Agronomy 



Bibliography, Biography and History 



Botanical Education 



Cytology 



Ecology and Plant Geography 



Forest Botany and Forestry 



Genetics (Plants and Animals) 



Horticulture 



Miscellaneous, unclassified publications 



Morphology and Taxonomy of Algae 



Morphology and Taxonomy of Bryophytes 



Morphology and Taxonomy of Fungi, Bacteria and 



Myxomycetes 

 Morphology, Anatomy and Histology of Vascular Plants 

 Paleobotany and Evolutionary History 



Pathology 



Pharmaceutical Botany and Pharmacognosy 



Physiology 



Soil Science 



Taxonomy of Vascular Plants 



PUBLISHED BY 



WILLIAMS & WILKINS COMPANY 

 Baltimore, Maryland, U. S. A. 



Two Volumes (300-325 pages to each volume) published each year. 



Current Volumes : 

 Volumes III and IV, January 1920 to December 1920 incl. 



Back Volumes Cannot Be Supplied. 



SUBSCRIPTION PRICE for two volumes a year, $6.00, United States, Mexico, Cuba; ;$6.25, Canada; 



$6.50, other countries, net postpaid 



A LIST OF AGENTS WILL BE FOUND ON THE THIRD COVER PAGE 



