FLORA OF WORCESTER COUNTY. 287 
LysmMacHia, Tourn. 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. 
Fraxinus, Tourn. Ash. 
Americana, L. White Ash. Common. 
sambucifolia, Lam. Black Ash. Not rare. 
APOCYNACEZ. 
Apocynum, Tourn. Dogbane. 
androsemifolium, L. Spreading Dogbane. Not rare. 
“ its 
cannabinum, L. Indian Hemp. 
ASCLEPIADACE. 
ASCLEPIAS, L. Milkweed. 
tuberosa, L. Butterfly-weed. Millbury. 
purpurascens, L. Purple Milkweed. Roadsides. 
incarnata, L. Swamp Milkweed. Swamps. 
« “ var. pulchra, Pers. With the last. 
Cornuti, Decsne. Common Milkweed. Common. 
obtusifolia, Michx. Not common. 
phytolaccoides, Pursh. Poke Milkweed. Moist copses. 
quadrifolia, L. Millbury, Worcester. 
