FLORA OF WORCESTER COUNTY. 49 



Larix, Tourn. Larch. 



Americana, Michx. Hackmatack. Not rare. 



Cham/ECYparis, Spach. White Cedar. 



sphgeroidea, 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. Coiilt. 



Class II. MONOCOTYLEDONE^. 



HYDROCHARIDACE^. 



Elodea, Michx. Water-weed. 



Canadensis, Michx. Ponds, common. 



Vallisneria, L. Eel-grass. 



spiraHs, L. Ponds, common. 



ORCHIDACE^. 



MiCROSTYLis, Nutt. Adder's Mouth. 



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



ophioglossoides, Nutt. Auburn. 



LiPARis, Richard. Twayblade. 



HliifoUa, Richard. Millbury. Rare. 



Loeselii, Richard. Spencer. Afiss A. E. Tucker. 



CoRALLORHiZA, Haller. Coral-root. 



innata, R. Br. Swamps. Millbury. 



