410 Annals of the Carnegie Museum. 



Carex canescens Linnseus. 

 Carex scoparia Schkuhr. 



LEMNACEiE. 



Lemna minor Linnaeus. 



PONTEDERIACE^. 



Heteranthera di/bia (Jacquin) MacMillan. 

 Pontederia cordata Linneeus. 



JUNCACE^. 



Jimcus baltiais littoralis Engelmann. 



Juncus tenuis Willdenow. 



/uncus dudleyi Wiegand. 



Juncus articulatus Linnaeus. 



Juncus alpinus insignis Fries. 



Juncjis nodosus Linnaeus. 



Juncus iorreyi Coville. 



Juncus scirpoides Lamarck. 



Juncus brachycephalus (Engelmann) Buchenau. 



Juncus cafiadensis J. Gay. 



CONVALLARIACE^. 



Vagnera racemosa (Linnaeus) Morong. 



Vagnera stellata (Linnaeus) Morong. 



Unifolium canadense (Desfontaine) Greene. 



Uvularia perfoliata Linnaeus. 



Salomonia biflora (Walter) Farwell. 



Salomofiia commutata (Roemer & Schultes) Farwell. 



Trilliace^. 



Trillium erectum Linnaeus. 



Smilace^. 

 Smilax herbacea Linnaeus. 



Iridace/E. 

 Iris versicolor Linnaeus. 



ORCHIDACEiE. 



Cypripedium acaule Alton. 

 Perularia flava (Linnaeus) Farwell. 

 Lysias orbiculata (Pursh) Rydberg. 



