979 



Proceedings Port. Soc. Nat. Hist. 



LeontodojSt autumnalis L. Very common in fields, waste 

 ground and along roadsides. A form with greenish- 

 yellow heads withont ligiiles occurs in cultivated ground 

 near Gray's Cove, Deer Isle (ISTo. 2533). 



Taeaxacum oFFici^fALE Wcher. Frequent. Roadsides and 

 fields. 



*var. PALUSTKE (Sm.) Blytt. Roadsides, Barter's 

 Store, Isle au Haut (J. C. Arthur). 



Taraxacum erythrospermum Andrz. Common. Fields, 

 pastures and roadsides. 



SoNCHus ARVENSis L. Frcqucut on gravelly seashores. 



SoNCHUs OLERACEUS L. Commou in waste ground. 



SoNCHUs ASPER (L.) Hill. Occasional in waste ground, 

 often near the shore. 



Lactuca canadensis L. Occasional. Moist woods, Atlan- 

 tic, Swans Island (No. 2387) ; clearings, Reach, Deer Isle 

 CNo. 3038) ; dry roadsides near IMoore's Harbor, Isle au 

 Haut (No. 1(391). 



Lactuca iiirsuta Muhl. Infrequent. Clearings, North 

 Brooklin (No. 1780) ; open hillside. Little Deer Isle 

 (No. 2587). 



Lactuca spicata (Lam.) Hitchc. Common on low ground. 



Prenanthes trifoliolata (Cass.) Fernald. Abundant 



in dry open woods, clearings and fields. 

 Prenanthes altissima L. Rare. Rich rocky woods. Isle 

 au Haut (No. 1264) ; moist rich woods, Gray's Cove, 

 Reach, Deer Isle (No. 2862). 



var. HispiDULA Fernald. Infrequent. Rich moist 

 woods, Hockomock Head, Swans Island (No. 2667) ; 

 Gray's Cove, Reach, Deer Isle (No. 2865) ; Lovers 

 Lane, Isle au Haut (No. 3046). 



