280 



ELEMENTARY STUDIES IN BOTANY 



requires a great deal of training, but it is to be merely an 

 introduction to certain associations. 



Along the low shores of small lakes, it is very common to 



FIG. 233. A reed swamp near Chicago. 



see in the shallow margin a high fringe of reed-like plants, 

 among which wild rice, bulrushes, and cat-tails dominate 

 (Fig. 233) . This kind of association is known as a reed swamp, 



