56 FLORA OF WORCESTER COUNTY. 



Tiarella L. Fake Mitrewort. 

 cordifolia L. 



Common in the northern part of the county. 

 Mitella (Tourn.) L. Mitrewort. 



diphylla L. In rich woods, common. 



Chrysosplenium (Tourn.) L. Golden Saxifrage. 



americanum Schwein. In wet, shaded places. 



Parnassia (Tourn.) L. Grass of Parnassus. 



caroliniana Michx. In swamps and low meadows. 



Hydrangea (Gronov.) L. 



arborescens L. Wild Hydrangea. 



Barre. Miss Sara Lane. 

 Ribes L. Currant. Gooseberry. 



Cynosbati L. Prickly Gooseberry. In rocky woods. 



rotundifolium Michx. 



Princeton. 



oxyacanthoides L. Smooth Gooseberry. In copses. 



americanum Mill. Wild Black Currant. 



Tatnuck. 

 pro stratum L'Her. Skunk Currant. 



Mount Wachusett. 

 vulgare Lam. Red Currant. 

 Templeton; Winchendon. 



HAMAMELIDACE.E (WITCH-HAZEL FAMILY). 



Hamamelis L. Witch-hazel. 



virginiana L. In woods and copses, common. 



PLATANACE^ (PLANE TREE FAMILY). 



Platanus (Tourn.) L. Sycamore. Buttonwood. 



occidentalis L. In rich soil. 



