232 Proceedings Port. Soc. Nat. Hist. 



Salix alba L., var. vitellixa (L.) Koch. Frequent along 

 roadsides often occurring spontaneously. 



Salix cordata Mulil. Rare. West Brooklin (A. H. 

 Graves). 



Salix discoloi; ]\[uhl. Common in moist open woods and 

 fields. 



Salix petiolaris Sm. Infrequent. Damp fields and road- 

 sides, Brooklin and Swans Island. 



Salix hfmilis Marsh. Frequent in wet ground. 



Salix rostrata Richards. Common in fields and open 

 woods. 



PopuLus ALBA L. Xaturalizcd at Brooklin Center (A. H. 

 Graves) ; low ground, South Deer Isle (jSTo. 1822). 



PopuLus TREMULOiDES Miclix. Abuudaut in clearings and 

 drv open woods. 



PoPTLrs GRAX"Dir)EXTATA Miclix. Frequcut in rich woods. 



PopuLus balsa:mifera L. Occasional. Roadsides and low 

 woods. 



PopuLi's CAXDiCAXS Ait. Infrequent. Escaj)ed from cul- 

 tivation. Brooklin and vSwans Island. 



PopuLus deltoides Marsh. Rare. Escaped from cultiva- 

 tion. West Brooklin {K. H. Graves). 



MYRICACEAE 



Myrica Gale L. Common in sphagnum bogs and on pond 



margins. 

 Myrica carolixexsis Mill. Frequent in moist thickets and 



sterile soil along the shore. 

 Myrica asplexifolia L.. Abundant in dry fields and on 



exposed hills. 



