FLORA OF BURLINGTON AND VICINITY 43 



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

 May, June. 



THALICTRUM (Tourn.) L. Meadow RuE 



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



F. F.). July-Sept. 

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



May. 

 T. polygamnm 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. P.). 



PAPAVERACEAE. POPPY FAMILY 



CHELIDONIUM (Tourn.) L. Celandine 



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



PAPAVER (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. 



