FLORA OF WORCESTER COUNTY. 



35 



Lysimachia, Toum. Loosestrife. 



*vulgaris, L. Bolton. Miss J. M. Nichols. 



quadrifolia, L. Thickets, common. 



stricta, Ait. Low grounds, " 



*nummularia, L. Moneywort. Escaped. 



thyrsiflora, L. Tufted Loosestrife. Northborough. 



Arba Pierce. 

 Anagallis, Tourn. Pimpernel. 



*arvensis, L. Waste grounds. Southbridge. 



OLEACE^. 



Fr.\xixus, Tourn. Ash. 



Americana, L. White Ash. 

 sambucifolia, Lam. Black Ash. 



APOCYNACE^. 



Apocynum, Tourn. Dogbane. 



androsaemifolium, L. Spreading Dogbane, 

 cannabinum, L. Indian Hemp. 



ASCLEPIADACE^. 



AscLEPiAS, L. Milkweed. 



tuberosa, L. Butterfly-weed, 

 purpurascens, L. Purple Milkweed, 

 incarnata, L. Swamp Milkweed. 



" " var. pulchra, Pers. 



Cornuti, Decsne. Common Milkweed, 

 obtusifolia, Michx. 



Common. 

 Not rare. 



Not rare. 



Millbury. 



Roadsides. 



Swamps. 



With the last. 



Common. 



Not common. 



phytolaccoides, Pursh. Poke Milkweed. Moist copses. 



quadrifolia, L. 



Millbury, Worcester. 



