144 FLORA OF MOUNT DESERT. 



CUPULIFER^. Oak Family. 

 BETULA, L. Birch. 

 B. lenta, L. Black Birch. Sweet Birch. 



Woods and copses ; frequent. 

 B. lutea, IVIx. f. Yellow Birch. 



Common in woods. 

 B. populifolia, Marsh. White Birch. Gray Birch. 

 Very common in poor soil. 



B. papyrifera, Marsh. B. papyracea, Ait. Paper Birch. Canoe 



Birch. 

 Common in woods. 



ALNUS, L. Alder. 

 A. viridis (Chaix), DC. Green Alder. 



Very common at all altitudes in dry soil. 

 A. incana (L.), Willd. Speckled Alder. 



Common in low grounds. 



CORYLUS, L. Hazel-nut. 



C. rostrata, Ait. Beaked Hazel-nut. 



Frequent in woods and clearings, and by roadsides. North- 

 west Cove; Emery District; Dog Mt. ; Sargent Mt. ; Aunt 

 Mollys Beach ; Somesville, etc, (Rand) ; — Echo Notch (R. 

 & R.). 



QUERCUS, L. Oak. 

 Q. rubra, L. Red Oak. 



Frequent; widely distributed, but nowhere very abundant; 

 rare in the south of the Island. Much dwarfed on the moun- 

 tains. During the early history of the Island oaks were ap- 

 parently abundant, although probably of this species only. At 

 a very early day, however, the oak woods began to be felled for 

 timber. At Somesville, it is said, there was an oak wood on 

 the shores of Somes Harbor, which attracted the attention of 



