68 LACKAWANNA AND WYOMING FLORA. 



93. PONTEDERIACEuE. 



PONTEDERIA, L. 



PICKEREL-WEED. 



742. P. cordata, L. Wyoming Swamp ; Lehigh Pond. Dudley. 



HETERANTHERA, Ruiz & PAV. 



743. H. graminea, Vahl. (Sckollera graminifolia, 5th ed. Man.) 

 Kingston "Pond Holes." Thurston. 



94. XYRIDACE^. 



XYRIS, GRONOV. 



744. X. flexuosa, Muhl. Var. pusilla, Gray. YELLOW-EYED GRASS. 

 Moosic L. and Tobyhanna Mills. Prof. Porter. 



95. JUNCACE^E. 



JUNCUS, TOURN. 



RUSH. 



745- J- effusus, L. COMMON BULRUSH. Frequent near standing 

 water. 



746. J. marginatus, Rostk. Bald Mt; E. of Fairview ; Mountain Inn 

 road. Dudley. 



747. J. tenuis, Willd. Bald Mt. woods; near foot-paths, etc. 



748. J. bufonius, L. Tobyhanna; Pocono Sta.; Moosic Lake. Prof. 

 Porter. 



749- J- pelocarpus, E. Meyer. Tobyhanna. Porter. 



750. J. articulatus, L. Near Tobyhanna. Dudley. 



751. J. acuminatus, Michx. By R. R. east of Fairview. Dudley. 



752. J. Canadensis, J. Gay. Var. longicaudatus, Engl. Reservoir 

 east of Glen Summit. Dudley. 



753- J- Canadensis, var. subcaudatus, Engl. Mocanaqua ; Bald 

 Mountain, a slender form. Dudley. 



754. J. Canadensis, var. coarctatus, Engl. By Mountain Inn road; 

 east of Fairview ; near Gouldsboro. Dudley. 



LUZULA, DC. 



755. L. campestris, DC. Common in dry woods, lower Lackawanna 

 and Wyoming Valleys. 



