& sedqt-grass asseciahion 
el Arosr vilac ” 
| talip-peplar ” 
Oo dry beg. 
Fic. 2. Map of Cedar Swamp, showing relation of the plant associations. The 
birch-alder association is not shown. 
Fic. 3. Panoramic view of Cedar Swamp, looking northward from near the road. 
Made from two photographs. Sedge-grass association in foreground, arbor vitae 
association in background, with birch-alder association between. The sedge-grass 
association had recently been burned over. 
