250 NEW YORK STATE MUSEUM 



Rosa setigera Michx. 

 The Narrows at Tioga Center. 



Salsola tragus L. 



Along the railroad tracks at Nichols. 



Selaginella apus (L.) Spring. 

 Wilkinson's swamp. 



Scirpus lineatus Michx. 

 Wilkinson's swamp. 



Sparganium androcladum Engelm. 

 Swamps. Frequent. 



Scirpus pedicellatus Fernald 

 Not uncommon in swamps and wet places. 



Scirpus atrocinctus Fernald 

 Wet places, frequent. 



Scirpus atrocinctus var. brachypodus Fernald 

 With the species. 



Scirpus rubrotinctus Fernald • 

 Along the river at Nichols. 



Rhynchcspora capillacea Torr. 



Wilkinson's swamp. 



Thalictrum revolutum EC. 



Rocky woods at Nichols. 



Woodsia obtusa (Spreng.) Torr. 

 On rocks west of Barton. 



