MIDDLESEX FLORA. 65 



PLUMBAGINACE/E. LEADWORT FAMILY. 



Statice, Tourn. 



S. Limonium, L., var. Caroliniana, Gray. Sea Lavender. 

 Marsh Rosemary. 

 Very common on salt marshes. Aug.-Sept. 



PRIMULACE/E. PRIMROSE FAMILY. 



Dodecatheon, L. 



*D. lleadia, L. American Cowslip. Shooting Star. 

 Concord, introduced from the West by Minot Pratt. May-June. 



Trientalis, L. 



T. Americana, Pursh. Star-Flower. Chickweed Winter- 

 green . 

 Common. May-June. 



Lysimachia, Tourn. 



L. thyrsiflora, L. Tufted Loosestrife. 

 Rather common, at least in the eastern part of the county. June- 

 July. 



L. stricta, Ait. 

 Common. July-Aug. 



L. quadrifolia, L. 

 Common. .June-July. 



L. NUMMULARIA, L. MONEYWORT. 



Medford (C E. Perkins) ; Stoneham (F, S. Collins) ; Townsend 

 (Miss H. E. Haynes). July-Aug. Introduced from Eu., and spar- 

 ingly naturalized. 

 L. VULGARIS, L. 



Stoneham, roadside (F. S. Collins) ; abundantly naturalized in a 

 swamp near Spy Pond (L. H. Bailey, Jr.) Specimen in Gray 

 Herb. Aug. For description, see Gray, School and Field Book. 

 Steironema, Raf . 



S. ciliatum, Raf. (Lysimachia eiliata, L., Man.) 

 Found throughout the county, but rare in the eastern part. July. 



S. lanceolatum, Gray. (Lysimachia lanceolata, Walt., Man). 

 Connnon. June-July. 



*S. lanceolatum, Gray, var. hybridum. Gray. 

 Concord, common (Minot Pratt). June-July. 



