Vol. LIV 



THE 



September 1912 



Editor: JOHN M. COULTER 



CONTENTS 



The Life History of Aneura pinguis 



Grace L. Clapp 



Plant Geography of North Central New Mexico 



J. R. Watson 



The Perfect Stage of Actinonema rosae 



Frederick A. Woif 



Undescribed Plants from Guatemala and Other Central 



American Republics. XXXV 



John Donnell Smith 



Influence of Phosphate on the Toxic Action of Cumarin 



J, J. Skinner 



Briefer Articles 



Absorption of Barium Chloride by Aragallus Lamberti 



C. D wight Marsh 



Current Literature 



The University of Chicago Press 



CHICAGO, ILLINOIS 



A gent 9 

 THE CAMBRIDGE UNIVERSITY PRESS, London and Edinburgh 



WILLIAM WESLEY 6\ SON, London 



TH. STAUFFER, Leipzig 



THE MARUZEN-KABUSHIKI-KAISHA, Tokyo, O.alra, Kyoto 



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