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Vol. XXXII, No. 5 Issued November 25, 1905 
CONTENTS 
NEW OR LITTLE KNOWN UNICELLULAR ALGAE. II Et cab ela VIRIDIS AND 
EXCENTRUSPHAERA. (WITH PLATES X-xI1) George Thomas Moor 309 
DEVELOPMENT OF THE POLLEN IN SOME ASCLEPIADACEAE. ContTRIBUTIONS 
E Hutt BoranicaL LaporaTory. XXXII. (WITH PLATE xl) 7.C. Frye 325 
ON THE ae ae OF RED COLOR IN a a a pant IN eee ies 
ENG F.. Grace Smith 332 
SOME PLANT ABNORMALITIES. (WITH THIRTY-SIX FIGURES) George Harrison Shull - 343 
BRIEFER ARTICLES. 
MEISSNER ON EVERGREEN NEEDLES. (WITH ONE a ay Edwin a een - 356 
THE INSTABILITY OF THE ROCHESTER NOMENCLATUR M. L. Fern 359 
FLOWER VIsITs OF OLiGoTROPIC BEES. III. Charles Pilertws - - - - ay 
CURRENT LITERATURE. 
Boo EVIEWS - - > - - . - - - + 365 
LATEX AND MUCILAGE A MANUAL OF BACTERIOLOGY 
THE FLORA OF ALABAMA METHODS IN PLANT HIsTOLOGY 
MINOR NOTICES - - - - - - - - =! gpg 
NOTES FOR STUDENTS - " - . z = : : eae 
NEWS i ‘ < : ; . . - Ps - . - 379 
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