128 



Var. intermedium, Fries, (nearly) Gray. 

 West Gloucester. The spikes of this variety are much larger every 

 way than the common form. 



Secale cereale, Willd. (Rye.) 

 Derby Wharf, Salem. (Escaped.) 



Hordeum vulgare, L. (Barley.) 



Salem, Essex, etc. Waste places. (Escaped.) 

 Hordeum jutaatum, L. (Squihrbl-tail Grass.) 



Marblehead Neck, Beverly, Ipswich (Oakes), etc. Frequent near 



the shore. 



Elymus Virginicus, L. 



Frequent. Usually nearer the shore than the next. 

 Elymus Canadensis, L. 



Merrimac river banks, from Lawrence to Newburyport. 

 Elymus striatus, Willd. 



Ipswich (Oakes), West Gloucester, Georgetown (Mrs. C. N. S. 



Horner), along the Merrimac river banks, etc. Frequent. 



Gymnostiehum Hystrix, Schreb. (Bottle-brush Grass.) 

 Swarapscott, Hamilton, Oak Island, Revere. Scarce. 



Danthonia splcata, JSeauv. 

 Dry soil. Common. 



Dan'tlionia compressa, Austin. 

 Frequent nearBoston (C. E. Faxon), and undoubtedly an Esses 

 county species. It has but recently been separated from the last. 



Avena sativa, L. (Common Oat.) 

 Waste places, railroad beds, wharves, etc. (Escaped.) 



Avena striata, Michx. 

 "Manchester" (S. P. Fowler), banks of the Merrimac, West New- 

 bury. Rare. 



Aira flexuosa, L. (Hair-Grass.) 

 Dry soil. Frequent. 



Arrhenatherum avenaceum, Beauv. 

 "Near Salem" (Dr. Chas. Pickering), probably about 1824; old 

 fields, Danvers (J. H. Sears), and sometimes cultivated. Scarce. 

 (Nat. from Eu.) 



Holcus lanatus, L. (Velvet Grass.) 

 "Sparingly naturalized in the environs of Salem" (Dr. Chas. Pick- 

 ering, Chron. Hist. PI., p. 655). This was probably about 1824. It 

 is now abundant, spreading fast in moist soil, and, unless care is 

 taken, will injure much valuable grass land. (Nat. from Eu.) 



