Botanical Gazette 
A Monthly Journal Embracing all Departments of Botanical Science 
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Vol. XXVI, No. 3 Issued September 17, 1898 
CONTENTS 
THE ORIGIN OF GYMNOSPERMS AND THE SEED HABIT. John M. Coulter - ee ic: 
A STUDY OF REGENERATION AS EXHIBITED BY MOSSES (WITH PLATES XIX-XX). 
Fred De Forest Heald - - - - - - 169 
BRIEFFR ARTICLES. 
THE SOUTHERN MAIDENHAIR FERN IN THE BLACK HILLs oF SouTH Dakota. Charles 
£. Bessey - : : - - - - - ee. aay 
BACTERIAL CONTENT OF HaiLsionEs. /. C. Harrison - . - - ee ye 
CURRENT LITERATURE. 
BOOK REVIEWS s : : : : Ze : ‘ seas 5 
ee PHYSIOLOGY 
THE BONN TEXT-BOOK 
VAN TIEGHEM’s “ ELEMENTS DE BoTANIQUE” 
MEDICAL BOTANY 
MINOR NOTICES f ss re 3 af s * : - - 218 
ie - - 21 
NOTES FOR STUDENTS - - - : - ‘ J 
Ss : . : ‘ ‘ si A = . Pee | 
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