JOURNAL 



The New York Botanical Garden 



COLLECTING CACTI IN SOUTHERN MEXICO. 

 Dr. N. L. Brixton, 



Direi 



*-Chie 



1 Garden. 



: with the agreei 



:arch of the Car 



t by which the 



New York Bota 



Department of Botanical 1 

 Washington is to aid in the investigations of the Cactaceae by 

 yourself and Dr. J. N. Rose, 31 cases of living specimens were 

 shipped to you from Tehuacan, Puebla, via Vera Cruz, on Sept. 



and if induced to grow in New York will soon furnish material 

 to illustrate their entire life-history. A set of photographs illus- 



In connection with the activities of the Desert Laboratory an 

 effort is being made to obtain a comprehensive idea of the vegeta- 

 tion of the arid areas of the continent with especial regard to the 

 composition of the flora, the factors affecting distribution, and the 

 general physiological behavior of the more highly specialized 

 forms. A study of several localities in southern Mexico with 



and I was so fortunate as to do this work in company with Dr. 

 J. N. Rose, who is engaged in a taxonomic study of the flora of 



the 



egions 



This a 

 effon 



it greatly fac 



of spec 



