LAKE TO FOREST OR PRAIRIE 



235 



326 



329 



327 



J> 



328 



330 



331 



332 



\ 



333 



FIGS. 326-334: Fig. 326. One of the pond weeds, .Potamogeton natans; 

 Fig. 327. A club rush, Scirpus atromrens; Fig. 328. 5. Torreyi; Fig. 329. 

 S.validus; Fig. 330. A bog rush, Juncus balticus; Fig. 331. J. tennis; Fig. 33 2. 

 /. canadensis; Fig. 333. /. e/usus; Fig. 334. Spike rush, Eleocharis acicularis. 



