81 



2. Heteranthera, R. & P. (Mud Plantain.) 



renifdrmis, R. & P. 



Muddy rivulets and ponds. Common. July. 



3. Schollera, Schreb. 



grain inea, Willd. (Water Star-grass.) 



Sluggish streams; Brandy wine, &c. Frequent. July. 



Order 108.— COMMELYNACE.E. 130. 



1. Tradescantla, L. 



Yirginica, L. (Spiderwort. Bachelor's Hat.) 

 Moist woods above Allapokas Creek. Frequent, 

 May. 



Order 109.— XYRIDACE^. 131. 



1. Xyris, L. 



bulbosa, Kunth. (Yellow-flowering Rush.) 



Sandy swamps; Lea's, Thompson's, &c. Frequent. 

 Aug. 

 Caroliniana, Walt. 



Sandy swamps; Thompson's, Ogletown. Not rare. 

 Aug. 



Order 110.— CYPERACE.E. 133. 



1. Cyperus, L. 



diandrus, Torr. 



Low grounds. Common. Au^. 

 strigosus, L. (Bristle-spiked Galingale.) 



Moist rich soil. Common. Auo\ 



D 



inflexus? Mulil. 



Sandy banks; Brandywine, &e. Not very common. 

 July, 

 rotiindus, L., var. Hydra? Gr. (Nut-grass. Ringworm 

 Grass.) 

 Moist meadows; Cherry Island; Lenderman's. Rare 

 elsewhere, 

 phymatodes, Muhl. (C. repens, Ell.) 



Marshes and meadows; Newport (Dr. Michener). 

 Aug. 



