Botanical Gazette 
A Montbly Fournal Embracing all Departments of Botanical Science 
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Vol. XXXI, No. 2 Issued February 23, 1901 

CONTENTS 
THE Bestia aanrni ECOLOGY OF CHICAGO AND VICINITY ; A STUDY OF THE 
ORIGIN, DEVELOPMENT, AND CLASSIFICATION OF PLANT SOCIETIES. Con- 
TRIBUTIONS FROM THE Hutt BoTANICAL LABORATORY. XXIV on THIRTY-FIVE 
FIGURES). Henry Chandler Cowles - 73 
ea hare PLANTS FROM GUATEMALA AND OTHER CENTRAL AMERICAN 
BLICS. XXII (witH pLaTE 1). John Donnell Smith 109 
BRIEFER ARTICLES. 
ITRATES AS A SOURCE OF NITROGEN FOR SAPROPHYTIC FunGcI. Mary H. Smith - 126 
NON-SEXUAL PROPAGATION IN OpuNTIA. II... Carleton E. Preston - - oon ZF 
CURRENT LITERATURE. 
BOOK REVIEWS - . - - - - : i - 129 
A NEw ScuHoo. Botany. THE UMBELLIFERAE. 
MINOR NOTICES - - - - - + - “ ‘ ESR 
NOTES FOR STUDENTS - - 4 . “ “ - - eae, 1) 
NEWS = 5 7 i i Z a : : a = oi sg hQe 

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