86 FLORA OF MOUNT DESERT. 



ELATINACEJE, WATERWORT FAMILY. 

 ELATINE, L. WATERWORT. 



E. Americana (Pursh), Arn. 



Rare. Margin of Somes Stream and of Mill Pond, Somesville 

 (Rand, M. L. Fernald). 



HYPEBICACEJE. ST. JOHN'S-WORT FAMILY. 



HYPERICUM, L. ST. JOHN'S-WORT. 

 *H. adpressum, Bart. 



Rare. Adventive from farther south. Along the railroad, 

 Green Mountain (Arnold Greene). 



H. ellipticum, Hook. 



Wet places and bogs; frequent. Pond Heath; Northeast 

 Harbor; Southwest Harbor ; High Head, etc. (Rand); Somes- 

 ville (R. & R.); Squid Cove (Redfield). 



H. PERFORATUM, L. COMMON ST. JOHN'S-WORT. 



Fields and roadsides ; frequent in some parts of the Island' 

 A well known weed. Naturalized from Europe. 



H. mutilum, L. 



Frequent in low grounds and wet places. Outlet of Great 

 Pond; Southwest Harbor; Somesville, etc. (Rand); shores of 

 Great Pond (Redfield). 



H. Canadense, L. 



Common in wet, sandy soil. 



Var. majus, Gray. 



Frequent. Southwest Harbor; Northeast Harbor; Denning 

 Brook; Long Pond meadows; Somesville; shores of Jordan 

 Pond and Great Pond ; Bass Harbor, etc. (Rand) ; Seal Har- 

 bor; Little Cranberry Isle (Redfield). 



Two somewhat peculiar forms of this variety are sometimes 

 met with on the Island : 



