FLORA OF BURLINGTON AND VICINITY 43 



R. septentrionalis Poir. Swamp Buttercup. Wet places; frequent. 

 May, June. 



THALICTRUM (Tourn.) L. Meadow Rue 



T. confine Fern. Rocky shore of Lake Champlain, Burlington, (N. 



F. F.). July-Sept. 

 T. dioiciim L. Early Meadow Rue. Rocky woodlands; common. Apr., 



May. 

 T, polyg'amum Muhl. Tall Meadow Rue. Moist meadows; common. 



June, July. 



BERBERIDACEAE. BARBERRY FAMILY 



BERBERIS (Tourn.) L. Barberry 



B. VULGARIS L. Common Barberry. A frequent escape from cultiva- 

 tion. May, June. 



CAULOPHYLLUM Michx. BeuE Cohosh 



C. thalictroides (L.) Michx. Pappoose Root. Rich woods; common. 



Apr., May. 



LAURACEAE. LAUREL FAMILY 



BENZOIN Fabric. Wild Allspice. Fever Bush 



B. aestirale (L.) Nees. Spice Bush, Benjamin Bush. Damp woods. 



Apr., May. Abundant at the one station, South Burlington, (N. 

 F. F.). 



PAPAVERACEAE. POPPY FAMILY 



CHELIDONIUM (Tourn.) L. Celandine 



C. majus L. Waste places; frequent. May-Aug. 



PAP AVER (Tourn.) L. Poppy 



P. Rhoeas L. Corn Poppy. Persistent in garden, Burlington, (N. 

 F, F.). June-Sept. This is the commonly cultivated Shirley poppy. 



SANGUINARIA (Dill.) L. Bloodroot 

 S. canadensis L. Borders of rich woods; common. Apr., May. 



