IL* FLOIJA OF (JKAM) JIAI'IDS. 



7y. S. cristata Kiii;clin. 



In shalldw w.-itcr al.m^ tlio "|iiciiir ifrouiKls" of Pine Island 



Laki'. Kaiv. (II. \V. Ilyser). Aug. 



Tlio second time its oi-rnrrcnoc lias Locn noted in the State. 



Tit. S. graminea Mielix. 



Plentiful in mud or shallow water on tlie W. shore of Heed's 

 Lake (()Al.\. July-Aujx. 



80. S. latifolia Willd. (S. variabilis T'hujthn.) 

 In shallow water; eonimon. July-Aug. 



All the intermediate forms from broad leaves to narrow lobed 

 leaves are found growing together. 



81. S. rigida Pursh. (S. heterophylla Pursh.) 



In mud and water on the W. shore of Reed's Lake. Aug. 



HYDROCHARIDACEAE. Fno(;'s-iu r Family. 



ELODEA Miehx. 

 Phllntrla Raf. 



82. E. Canadensis JMichx. Water-weed, 



Lake borders and slow streams; common. July-Aug, 



VALLISNERIA L. Tape-grass. Eel-grass. 



83. V. spiralis L. 



In quiet water; common in Grand River and its larger tributaries. 

 July-Aug. 



GRAAIINEAE. (4rass Fam.ly. 



AG ROPY RON Gaertn. 



84. A. caninum R. & S. Awned Wheat-Grass. 

 Frequent in oak openings. July-Aug. 



85. A. glaucum R. <fe S. 



James St., near Logan St., City (F.). Mid- June-July. 



