SCIRPUS L. (Bulrush or Club Rush) 



248 S. suBTERMiNALis Torr. Susquehanna, Prof. Graves. 



249 S. DEBiLis Pursh. Starlight. 



250 S. AMERiCANUS Pcrs. Lake Winola. 



251 S. TORREYi Olney. Lake Winola. 



252 S. VALiDus Vahl. (Great Bulrush.) Common. Kingston. 



253 S. SYLVATicus L. Wilkes-Bar re. 



254 S. ATRoviRENs Muhl. Susquehanna. 



255 S. POLYPHiLLus Vahl. Tobyhanna, Lake Winola. 



256 S. LiNEATUs Michx. Susquehanna. 



257 S. CYPERiNus Kunth. (Wool Grass.) Lehigh Pond. 



ERIOPHORUM L. (Cotton Grass) 



258 E. CALLiTRix Cham. (Hare's Tail.) Lehigh Pond, Atherton's Pond. 



259 E. GRAciLE Roth. Pocono Station. 



260 E. ANGUSTiFOLiuM Roth. Lehigh Pond. 



261 E. viRiDi-CARiNATUM Fernald. Saylor's Lake, Monroe County. 



262 E. viRGiNicuM L. Atherton's Pond near Dalton. 



RYNCHOSPORA Vahl (Beak Rush) 



263 R. CYMOSA Ell. Starlight. 



264 R. ALBA Vahl. Mud Pond near Elmhurst. 



265 R. GLOMERATA Vahl. Wyoming. 



SCLERIA Bergius. (Nut Rush) 



266 S. TRiGLOMERATA Michx. Penobscot Knob, Prof. Dudley. Rare. 



267 S. PAUCiFLORA Muhl. East of Fairview. 



268 S. RETICULARIS, VAR. PUBESCENS Britton. Monroe Co., Prof. Porter. 



CAREX L. (Sedge) 



269 C. scoPARiA Schkuhr. Frequent on mountains. 



270 C. TRiBULOiDES Wahlcnb. Susquehanna. 



271 C. TRIBULOIDES, VAR. REDUCTA Bailey. Gouldsboro, Dudley. 



272 C. ALBOLUTESCENs Schwciu. Near Tannersville, Dr. T. C. Porter. 



273 C. MiRABiLis Dewey. Peckville, H. D. Dunn. 

 27 A C. STRAMINEA Willd. Susquehanna. 



275 C. siLicEA Olney. Susquehanna. 



276 C. ALATA Torr. Between Pocono Summit and Mount Pocono, 



Dudley. Rare. 



277 C. FOENEA Willd. Campbell's Ledge. 



278 C. FOENEA, VAR. PERPLEXA Bailey. Gouldsboro. 



279 C. STELLULATA, VAR. CEPHALANTHA Fernald. Lily Lake. 



280 C. STERiLis Willd. Susquehanna. 



281 C. CANESCENs L. Atherton's Pond. 



282 C. BRUNNESCENS Poir. Lehigh Pond. 



283 C. BROMoiDES Schkuhr. Susquehanna. 



284 C. DEWEYANA Schwein. Susquehanna. 



285 C. TRisPERMA Dewey. Susquehanna. 



286 C. TENELLA Schkuhr. Susquehanna. 



287 C. ROSEA Schkuhr. Susquehanna. 



21 



