163 



125. Spatliyema foetida (L.j Itaf. Skunk Cabbage. {Syrnplocurpus foetidus 



Nutt.) 



ComiBou in moist places, especially up along Cherry Creek. 



126. Aeorus calamus (L). Sweet Flag. Calamus. 



Found in low ground along the lake and various other moist 

 places. 



127. Spirodela polyrhiza (L.) Schleid. Greater Duckweed. 



Very common in lagoons, some in sheltered parts of the lake, 

 near shore. 



128. Lemna trisulca L. Ivy-leaved Duckweed. 



In lagoons and ditches; common. 



129. Lemna minor L. Lesser Duckweed. 



In lagoons, and in ponds near the lake. 



130. Wolffia Columbiana Karst. 



Very abundant in lagoons. 



131. W. braziliensis Wedd. 



In lagoons, but not very common. 



132. Tradescantia virginiana L. Spiderwort. 



GroAvs everywhere in dry ground; not much seen in moist 

 ground here. 



133. Pontederia cordata L. Pickerel Weed. 



Common about the edges of the lake. 



134. Heteranthera dubia (Jacq.) MacM. Water Star-grass. (H. gramiiiea 



Vahl.) 



Both forms found, the larger in the water and the short on 

 muddy banks. 



135. Juncus effusus L. Soft Rush. 



Grows along the steamboat canal leading to Warsaw. 



136. J. tenuis Willd. Yard Rush. 



Abundant. 



137. J. canadensis J. Gray. 



Found in low ground along the railroads northeast of the lake. 



138. Juncoides campestre (L.) Kuntze. Common Wood Rush. {Luzula 



campestris D. C.) 



Found scattered in woodlands. 



139. Tofieldda glutluosa (Michx.) Pers. 



Found in a tamarack northeast of the lake. 



10— Academy of Science. 



