THE VEGETATION OF MONTAUK 



63 



During 1919 and 1920 the instruments were set out as follows: 



1. On open exposed Downs. 



2. At the contact of the Downs with a wooded kettlehole, and about 



six feet from the wooded fringe of it. 



Figure 22. Evaporation, White Atmometers. Montauk, Long Island. September 

 5-9, 1919. May 29-June I, 1920. 



On open downs. ■ 



At their contact with wooded kettleholes. 



In Bayberry thicket. 



Under canopy of wooded kettlehole. 



Fire had destroyed the bayberry thicket between the 1919 and 1920 readings, so this 

 station is omitted from 1920 graph. 



3. In the middle of a bayberry thicket, but as none of the bushes 



was over one foot high, the instruments were set so that they 

 were not shaded by them. 



4. On the forest floor of a wooded kettlehole. 



As these 1919 and 1920 graphs show (Fig. 22) there is, as might be ex- 

 pected, a steady increase in the rate of evaporation from the wooded kettle- 

 hole to the open Downs, but what they do not tell us is that nowhere on 

 Long Island, as subsequent readings have proved, is there such a violent 



