12 



PROCEEDINGS MANCHESTER INSTITUTE 



americanus Pers. Merrimack River, Manchester, and 

 Lake Massabesic, Auburn, (F. W. B.) 1908. 



validus Vahl. Not rare 



sylvaticus Iy. Common 



atrovirens Muhl. Common 



cyperinus (I/.) Kunth. Common 



" var. condensatus Fernald. Not rare 



Eriophorum callitrix Cham. 



gracile Roth. Common 



tenellum Nutt. 



viridi-cariiiatum (Kngelm.) Fernald. Common 



virginicum L,. Common 



Rynchospora alba (L.) Vahl. Common 



glomerata (Iv.) Vahl. Common 



Cladiuin mariscoides (Muhl.) Torr. Not rare 



Carex scoparia Schkuhr. 



tribuloides Wahlenb. 



siccata Dewey. 



mirabilis Dewey. 



straminea Willd. 



festucacea Schkuhr. 



stellulata Good. 



" var. cephalaiitha (Bailey) Fernald. 



caiiescens L. 



brunnesceiis Poir. 



bronioides Schkuhr. 



De\veyana Schwein. 



trisperma Dewey. 



tenella Schkuhr. 



retroflexa Muhl. Rare 



Muhleiibergii Schkuhr. 



