( 38 ) 



6. ERIOPHORUM, L. Cotton-grass. 



1. alpinum, L. Cranberry Pond, Leverett, &c, Tuckerman. 



2. vaginatum, L. Belchertown S. pond, Jesup. 



3. Virginicum, L. 



4. polystachyon, L., v. angustifolium, & v. latifolium. 



5. gracile, Koch. Leverett, &c, with 1, Tuckerman. 



7. FIMBRISTYLIS, Vahl. 



1. autumnalis, Roeni. & Schult. 



2. capiUaris, Gray. 



8. RHYNCHOSPORA, Yahl. Beak-rush. 



1. fusca, Roem & Schult. Leverett Pond, Tuckerman. 



2. alba, Yahl. 



3. glomerata, Vahl. 



4. macrostachya, Torr. Belchertown, and Leverett, Hitchcock. 



9. CLADIUM, P.Browne, 

 mariscoides, Torr. Belchertown, Leverett, &c., Hitchcock. 



10. SCLERIA, L. 

 triglomerata, Michx. Whip-grass. Amherst, Jesup. Hadley 

 <fcc, Hitchcock. 



11. CAREX, L. Sedge. 



1. paucrflora, Lightf. Ashfield; Porter. 



2. polytrichoid.es, Muhl. 



3. Backii, Boott. Mt. Tom, Prof. W. D. Whitney. 



4. bromoides, Schk. 



5. siccata, Dew. TTestfield, Rev. Dr. Davis. 



6. teretiuscula, Good., & var. major, Koch. Deerfield, Hitchcock. 



7. vnlpinoidea, Michx. 



8. stipata, Muhl. 



9. sparganioides, Muhl. 



10. cephalophora, Muhl. 



11. Mublenbergii, Schk. Hadley, <fec, Tuckerman. 



12. rosea, Schk. 



13. retrorlexa, Muhl. 



14. tenella, Schk. 



15. trisperma, Dew. 



16. tenuiflora, Wahl. Southampton, Chapman. 



17. canescens, L., & var. vitilis, Gray. 

 38. Deweyana, Schweiu. 



19. sterilis, Willd. 



20. stellulata, L., var. scirpoides, Boott. 



21. scoparia, Schk. 



22. lagopodioides, Schk. 



23. cristata, Schwein., var. mirabilis, Boott. 



24. adusta, Boott. Hadley, &c, Tuckerman. 



