130 MIDDLESEX PLOEA. 



E. pectinacea. Gray. 



Reading (R. Frohock) ; Medford (Miss A. M. Symmes) ; Waltham 



List; Concord (E. S. Hoar). 

 E. pectinacea. Gray, var. spectabilis, Gray. 



Not uncommon. 



DiSTICHLTS, Raf . 



D. maritima, Raf. (Brizopyrum spicatum, HooIj., Man.) Spike 

 Geass. Salt marshes ; common. 



Dacttlis, L. 



D. GLOMEEATA, L. OECHAED GeASS. 



Common, cultivated and spontaneous. Nat. from Eu. A variety 

 witii downy spilselets at Medford (Wm. Boott). 



Beiza, L. 



B. MEDIA, L. Quaking Geass. 

 Concord (E. S. Hoar; specimen in herb, of) ; Maiden, Melrose and 

 Medford (H. A. Young). Scarce. Nat. from Eu. 



POA, L. 



P.. annua, L. Low Speae Geass. 



Common. 

 P. ccmpressa, L. Wire Geass. 



Common. 

 P. serotina, Ehrh. False Red-Top. Fowl Meadow Geass. 



Coiomon. 

 P. pratensis, L. Meadow Geass. Kentucky Blue Geass. 



Very common. 



P. TEIVIALIS, L. ROUGHISH MEADOW GEASS. 



Medford and Tewksbury (Wm. Boott); Concord (E. 8. Hoar). 

 Specimen in the Boott Herb. Nat. from Eu. 

 P. alsodes. Gray. 

 Cambridge (Walter Deane) ; Maiden and Newton (Wm. Boott) ; 

 Medford (C. E. Perkins). Not common. 



Gltceeia, R. Br. 



G. Canadensis, Trin. Rattlesnake Geass. 



Common. 

 G. obtusa, Trin. 



Common. 

 G. nervata, Trin. Fowl Meadow Geass (in part). 



Common. 

 G. pallida, Trin. 



Tewksbury, Waltham, Stoneham, et al. Not very common. ' 



