Vol. XLIV 



No. 2 



THE 



OTANiCAL Gazette 



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August 1907 



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Editors: JOHN M. COULTER and CHARLES R. BAR:NES 



CONTENTS 



Alternation of Generations and the Morphology of the 



Spore Forms in Rusts 



A. H. Christman 



DevelopmcL^t of the Walls in the Proembryo of Pinus 



Laricio 



N. Johanna Kildabl 



Undescribed Planfs from Guatemala and Other Central 



American Rc':^ iblics 



John Donnell Smith 



Microcycas calocoma 



Otis W. Caldwell 



Apogamy in Nephrodium 



Shig^o Yamanouchi 



Current literature 



News 



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Tlie Unh-er si ty of Cliica^o Pre 



CHICAGO^and STFW YORK 

 William Wesley and Soa, Landon 



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