Botanical Gazette 
A Montbly Fournal Embracing all Departments of Botanical Science 
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' Vol. XXVII, No. 3 Issued January 23, 1899 
CONTENTS 
ON THE VEGETATION OF TROPICAL AMERICA. Lug. Warming - . - I 
THE PRODUCTION OF FLUORESCENT PIGMENT BY BACTERIA. £dwin O. Jordan 19 
| ON THE LIFE-HISTORY OF LEMNA MINOR (WITH FiGURES I-59). Otis W. Caldwell - 37 
BRIEFER ARTICLES. 
ADDITIONAL Host PLANTS OF PLASMOPARA CUBENSIS. A. D. ig! - - . 67 
COPPER IN PLANTS (WITH FIGURE 60). JD. 7. waclieipl: : - 2: OS 
Frost Formations. D. 7. MacDougal - - - * 69 
ANOTHER STATION FOR THOREA RAMOSISSIMA. Chere £. Bessey - - > 71 
CURRENT LITERATURE. 
BOOK REVIEWS : - - . “ ” ¥ : 5 72 
THE AFRICAN FLOR 
SCHWENDENER’S ie catae Works. 
NOTES FOR STUDENTS . 3 : - - - . - - 74 
NEWS : : ; : i : ; : : eo 
INDEX TO VOLUME XXVI - - - - 2 < : Preceding text 
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