1 6 
INTRO D UCTION 
local grouping of plants in the district studied. Pay special attention 
to the ecological and geographical questions suggested above under 
Field Work. 
Record all native names (question several different individuals before 
deciding), economic uses, and other points of general or ethnological 
interest. 
Further details of the subjects treated in this section may be found 
in the Admiralty Manual of Scientific Enquiry , Dammer’s Handbuch 
fiir Pfianzensammler , Stuttgart, 1891, Asa Gray’s Structural Botany , 
&c. 
