6 FLORA OF WORCESTER COUNTY. 



THALICTRUM, Tourn. Meadow-Rue. 



dioicum, L. Early Meadow-Rue. Rocky woods, 



polygamum, Muhl. Tall Meadow-Rue. , Common, 



purpurascens, L. Purplish Meadow-Rue. Grafton. 



RANUNCULUS, Tourn. Crowfoot. Buttercup. 



aquatilis, L., var. trichophyllus, Gray. White Water- 

 Crowfoot. Worcester, Gardner, 

 multifidus, Pursh. Yellow Water-Crowfoot. 

 Flammula, L., var. reptans, E. Meyer. Lancaster. 



F. L. Palmer. 



abortivus, L. Small-flowered Crowfoot. Common, 



recurvatus, Poir. Hooked Crowfoot. Woods, common, 

 fascicularis, Muhl. Early Buttercup. Dry hills. 



" " var. Sunnyside, Worcester. 



Prof. Eaton. 



septentrionalis, Poir. Worcester. 



Pennsylvania^, L. f. Bristly Buttercup. Barre. 



Miss Sara Lane. 



*bulbosus, L. Bulbous Buttercup. Common. 



*acris, L. Tall Buttercup. Very common. 



CALTHA, L. Marsh Marigold. 



palustris, L. Cowslip, but not of literature. Common. 

 COPTIS, Salisb. Goldthread. 



trifolia, Salisb. Three-leaved Goldthread. Common. 

 AQUILEGIA, Tourn. Columbine. 



Canadensis, L. Wild Columbine. Common. 



, L. Baneberry. 



spicata, L., var. rubra, Ait. Red Baneberry. In copses, 

 alba, Bigel. White Baneberry. With the last. 



