96 FLORA OF MOUNT DESERT. 



FRAGARIA, L. Strawberry. 

 F. Virginiana, Mill. 



Very common everywhere. 



* F. vesca, L. 



Fields and rocky places; rare. 



POTENTILLA, L. Cinqttefoil. 



P. Norvegica, L. 



Fields and waste places; frequent. 



P. Pennsylvanica, L. 



Rare. North of the Island (Wm. C, Lane?). 



P. argentea, L. Silvery Cinquefoil. 



Dry ground; common. 

 P. palustris (L.), Scop. Mabsh Potentilla. 



Bogs; rare. Somesville (Rand); — Great Cranberry Isle 

 (Redfield). 



P. fruticosa, L. Shrubby Cinquefoil. 



Infrequent. Asticou (Wm. G. Lane) ; — Sargent Mt. (Rand) ; 

 — Jordan Mt. (Arthur Chase) ; — Southwest Harbor (Annie S. 

 Downs) ; — Long Pond meadows (Redfield). Generally in dry 

 ground. 



P. tridentata, Ait. White Potentilla. 

 Shores and mountain summits; common. 



P. Anserina. Silver Weed. 



Salt marshes and muddy beaches ; common on the coast. 



P. Canadensis, L. Common Cinquefoil. Five-finger. 



Fields and waysides; common. The typical form — which is 

 low or dwarf, silky-hairy, with prostrate and decumbent stems — 

 is rare. Northeast Harbor (Rand). The common form of the 

 Island is var. simplex (Mx.), T. & G. This is less hairy and 

 greener, larger, the ascending stem l°-2° long, seldom if ever 



