Hill: Pennhscot Plants. 219 



var. alterniflora (Loisel.) Merr.] Common on muddy 

 beaches and along the edge of salt marshes. 



Sparti^nta patens (Ait.) Muhl. Abundant in salt marshes 

 and occasionally on beaches. 



Dactylis glo^ierata L. Occasional in fields. Xaskeae- 

 Point, Brooklin. 



PoA annua L. Occasional in ruderal ground. 



PoA COMPRESSA L. Commou in dry sterile soil, usually in 

 the open. Occasionally found on sandy beaches. 



PoA GLAUCA Vahl. Rare. Damp rich woods near serpen- 

 tine quarry, Is'orth Deer Isle (Xo. 2609). This plant 

 needs further study but seems to approach most closely 

 this species. 



PoA TRiFLOEA Gilib. Frequcut in wet meadows and along 

 streams. 



PoA PRATENSis L. Commou in fields and pastures. 



Glyceria obtusa (Muhl.) Trin. Rare. Swampy margin 

 of Lily Pond, South Deer Isle (Xo. 1850). 



Glyceria canadensis (Michx.) Trin. Very abundant in 

 swamps and wet meadows. 



Glyceria lana Scribn. Frequent in swamps. 



Glyceria nervata (Willd. ) Trin. Common in moist 

 woods and fields. 



PucciNELLiA PAUPERCULA (Holm) Fcmald & Weatherby, 

 var. ALASKANA (Scribu. & Merr.) Fernald & Weatherby.^ 

 Abundant on beaches and in brackish meadows. Very 

 variable in size. 



1. Rhodora 18: 18 (1916). " .: 



