44 FLORA OF WORCESTER COUNTY. 



PODOSTEMACE^:. 



PODOSTEMON, Michx. River-weed. 



ceratophyllus, Michx. Shallow streams. 



ARISTOLOCHIACE.E. 



ASARUM, Tourn. Wild Ginger. 



Canadense, L. Millbury. Not common. 



LAURACE.E. 



SASSAFRAS, Nees. 



officinale, Nees. Rich woods. Common. 



LINDERA, Thunb. Wild Allspice. 



Benzoin, Blume. Spice-bush. Common. 



THYMEL^EACE^E. 



DIRCA, L. Leatherwood. 



palustris, L. Damp woods, common. 



DAPHNE, Linn. Mezereum. 



*Mezereum, L. Southbridge. Z. E. Ammidown. 



SANTALACE^:. 



Comandra, Nutt. Bastard Toad-flax. 



umbellata, Nutt. Dry grounds. Common. 



EUPHORBIACE^E. 



EUPHORBIA, L. Spurge. 



maculata, L. Roadsides, common. 



Preslii, Guss. Millbury. 



corollata, L. Southbridge. L. E. Ammidown. 



