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Vol. XXXVI, No. 1 Issued July 16, 1903 
CONTENTS 
’ 
2 THE GAMETOPHYTES AND EMBRYO OF TAXODIUM. ContTRIBUTIONS FROM 
THE BOTANICAL LABORATORY OF THE a HOPKINS dala TY, No. 1 ren 
PLATES I-XI). W. C. Coker . 
ITOSIS IN PELLIA. CoNnTRIBUTIONS FROM THE gids sisdeibes ie AL LABORATORY. XLIX 
(WITH PLATES XII-xIv). Charles J. Chamberlai - 
29 
NEW WESTERN PLANTS. I. 4. D. £. Elmer. 52 
| elascinagl ARTICLES. 
POSITIVE nT IN THE PETIOLE OF THE COTYLEDON (WITH ONE FIG esi 50 Edwin 
Bingham Copelan 62 
: CONTRIBUTIONS TO THE BIOLOGY OF RuIzoBIA. Albert Schneider. - 65 
CURRENT LITERATURE. 
4 BOOK REVIEWS - = - - 68 
BACTERIOLOGY, 
MINOR NOTICES - - - - - 69 
NOTES FOR STUDENTS = a - - - - 70 
NEWS - - - - - - - - - - - - 79 
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