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2. SCHOLLERA, Schreb. 

 graminea, Ywlld. 



Order 97. XYRIDACE^. 



XYRIS, L. 

 flexuosa, Muhl., Chapm., & var. pusilla, Gray. At Lock's Pond, &c. 



Order 98. ERIOCAULONACE^. 

 ERIOCAULON, L. Pipewort. 

 septangulare, YTith. 



Order 99. CYPERACE^. 



1. CYPERUS, L. Galingale. 

 J. diandrus, Torr. 



2. inflexus, Muhl. 



3. dentatus, Torr. 



4. phymatodes, Muhl. 



5. strigosus, L. 



6. Michauxianus, Schult. Hadley meadows, Jesup. 



7. filiculmis, Yahl. 



2. DTJLICHIUM, Rich, 

 spathaceum, Pers. 



3. HEMICARPHA, Nees. 

 subsquarrosa, Xees. 



4. E LEO CHAR IS, R.Br. Spike-rush. 



1. Robbinsii, Oakes. Ponds. 



2. obtusa, Schult. 



3. olivacea, Torr. Leverett Pond, Jesup. 



4. palustris, R. Br. 



5. intermedia, Schult. 



6. tenuis, Schult. 



7. acicularis, R. Br. 



5. SCIRPUS, L. Club-rush. 



1. planifolius, Muhl. 



2. subterminalis, Torr. 



3. pungens, Vahl. 



4. Torreyi, Olney. Pond in Hadley meadows, <fcc, Tuckerman. 



5. validus, Yahl. Bull-rush. 



6. debilis, Pursh. 



7. atrovirens, Muhl. 



8. polyphyllus, Yahl. 



9. lineatus, Michx. Plainfield, Porter. 

 10. Eriophorum, Michx. 



