FLORA OF WORCESTER COUNTY. 49 



LARIX, Tourn. Larch. 



Americana, Michx. Hackmatack. Not rare. 



CHAIVLECYPARIS, Spach. White Cedar. 



sphaeroidea, Spach. Swamps, common. 



JUNIPERUS, L. Juniper. 



communis, L. Common Juniper. Not rare. 



Sabina, L., var. procumbens, Pursh. " " 



Virginiana, L. Red Cedar. " " 



TAXUS, Tourn. Yew. 



Canadensis, Willd. Worcester. G. Coult. 



CLASS II. MONOCOTYLEDONE^:. 



HYDROCHARIDACE^E. 



ELODEA, Michx. Water-weed. 



Canadensis, Michx. Ponds, common. 



VALLISNERIA, L. Eel-grass. 



spiralis, L. Ponds, common. 



ORCHIDACE^:. 



MICROSTYLIS, Nutt. Adder's Mouth. 



monophyllos, Lindl. Spencer. H. H. Kingsbury. 



ophioglossoides, Nutt. Auburn. 



LIPARIS, Richard. Twayblade. 



liliifolia, Richard. . Millbury. Rare. 



Lceselii, Richard. Spencer. Miss A. E. Tucker. 



CORALLORHIZA, Haller. Coral-root. 



innata, R. Br. Swamps. Millbury. 



