( 42 ) 



4. capillaris, Nees. 



5. pectinacea, Gray. 



22. BRIZA, L. Quaking-Grass. 

 [media, J.. Amherst, rare, Tucker man.'] 



23. FESTXJCA, L. Fescue-Grass. 



1. tenella, Willd. 



2. ovina, L. Sheep's Fescue, & var. duriuscula, Koch., <fe 



v. glauca, Koch. 



3. elatior, L., & var. pratensis. 



24. BROMTJS, L. Brome-Grass. 



1. secalinus, L. Chess. Wheat fields, &c. 



2. Kalmii, Gray. 



3. ciliatus, L. 



25. PHRAGMITES, Trin. 

 communis, Trin. Reed. S. Amherst, Hitchcock. 

 26. NARDUS, L. 

 [strict a, L. Mat-grass. In poor grass-land, Amherst, since 187] , 

 Ti<ekmiian.] 



27. LOLIUM, L. Darnel. 

 per enne, L. 



28. TRITICUM, L. Wheat. 

 J. rep ens, L. Witch-grass. 

 2. caninurn, L. Mt. Holyoke, Leverett, &c. 



29. ELYMTJS, L. Lyme-Grass. 



J. Virginicus, L. 



2. Canadensis, L. 



3. striatus, L. 



29. GYMNOSTICHUM, Schreb. 

 Hystrix, Schreb. 



30. DANTHONIA, DC. 



1. spicata, Beauv. 



2. compressa, Austin. Shutesbury, &c, Jesup. 



31. TRISETUM, Pers. 



1. subspicatum, Beauv., var. molle, Gray. Nonotuck, Tuckerman. 



2. palustre, Torr. Amherst, Hitchcock Catal. 



32. AIR A, L. Hair-Grass. 



1. flexuosa, L. 



2. ceespitosa, L. Hadley meadows. 



33. ARRHENATHERUM, Beauv. 

 avenaceum, Beauv. 



