XLhc Botanical (3a$ette 



a /BontblB journal jembracinfi all Departments of JBotanical Science 



Edited by John M. Coulter, with the assistance of other members of the botanical staff of the 



University of Chicago. 



Issued September 2I t 19 1 2 



Vol. LIV CONTENTS FOR SEPTEMBER J9J2 No. 3 



THE LI1 . Ml TORY OF VXEl'RA PIXGUIS. Contributions from the Hull Botanical 



Laboratory 159 (with plates ix -xn). Grace L.Clapp - - - - - - -177 



PLANT GEOGRAPHY OF NORTH CENTRAL NEW MEXICO. Contributions from 



Hull Botanical Laboratory 160 (with seven figures). /. R. Watson - - - i°4 



THE PERFECT STAGE OF A( TIXONEMA ROSAE (with plate xiii). Frederick A. Wolf 21 

 UNDESCRIBED PLANTS FROM GUATEMALA AND OTHER CENTRAL AMERICAN 



REPUBLICS. XXXV. John Donnell Smith 



-35 



INFLUENCE OF PHOSPHATE ON THE TOXIC ACTION OF CUMARIN. J. J. Skinner 2+5 



BRIEFER ARTICLES 



At >rption of Bariim Chloride by Ara axes Lamberti. C. Divight Marsh - - 2 5° 



CURRENT LITERATURE 



BOOK REVIEWS - 



LOl v'S TEXTBOOK 



MINOR NOTICES - 

 NOTES FOR STUDE TS 



253 



254 

 54 





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