THE DESERT BOTANICAL ecco OF THE 
CARNEGIE INSTITUT 
The close of the first year of the existence of the Desert 
Botanical Laboratory of the Carnegie Institution at Tucson, 
Arizona, is marked by the publication of a booklet with the title 
Fic. 7. Desert Botanical Laboratory of the Carnegie Institution, Tucson, Arizona. 
of “Desert Botanical Laboratory of the Carnegie Institution,” 
by Messrs. Coville and MacDougal, the members of the Advisory 
Board entrusted with the direct management of the laboratory. 
Both members of the board had previously and separately visited 
the more marked desert areas of North America during the last 
decade, but it was deemed advisable to make a rapid survey of a 
large area in the selection of a site for the buildings. Accord- 
co cage were made of deserts in New Mexico, Sonora, 
Chihuahua, Arizona and California during January and February, 
1903. "The publication mentioned above includes a running 
