CATALOGUE OF PLANTS. 11 



71. P. Zizii Roth. 

 Campau Lake. Aug.-Sept. 



72. P- zosteraefolius Schum. 



Abundant in Reed's Lake and in Grand River. July-Aug. 



SCHEUCHZERIA L. 



73. S. palustris I^. 



Sphagnous bogs at Mud Lake, Plaintield; Miller's Lake. Rare. 

 M id -May- J line . 



TRiQLOCHiN L. Arrow-grass. 



74. T. maritima L. 



Marl marshes and brackish places; occasional. Mid- June- July. 

 Marshes about Lamberton Lake; Mud Lake, Plainfield; Feakin's 

 marsh. 



75. T. palustris L. 

 Marl marshes. July. 



Abundant about Lamberton Lake; edges of marsh about the 

 Salt Spring; Campau Lake; Pine Island Lake; Clear Lake. 



ALiSMACEAE. Water-Plantain Family. 

 ALISMA L. Water-Plantain. 



70. A. Plantago L. 



.1. PlcDitago-aquatlra \j. 

 In shallow water and mud; common. July-Aug. 



SAQiTTARIA L. Arrow-head. 



77. S. arifolia Nutt. 



Mud and shallow water. July-Aug. 



W. and S. shores of Reed's Lake (M. &C.); Grand River at 



Fulton St. Bridge, City. 



