222 



BOTANICAL GAZETTE 



[APRIL 



denuded area, and these percentages have a larger interest when 

 compared with the stations representing later stages in this process. 



4 



Fig. 5. Station 5; open forest on top of moraine. 



Station a. 



gravel slide (Jig. 4) along the abandoned 



railroad grade midway between Wolfert and Tramp 

 2*™ distant from Station 



It IS 



about 



30 



O 



i; altitude 55 



zn- 



south 



gi- 



Scrub forest vegetation has invaded this slooe and 



