FLORA OF BURLINGTON AND VICINITY 47 



S, OFFICINALE (L.) Scop., var. leiocarpum DC. Common Hedge Mus- 

 tard. A common weed in waste places and cultivated grounds. 

 June-Oct. 



THLASPI (Tourn.) L. Penny Cress 



T. ARVENSE L. Field Penny Cress, Mithridate Mustard. Waste places; 

 occasional. June. Burlington, (Jones, N. F. F.). 



CAPPARIDACEAE. CAPER FAMILY 



POLANISIA Raf. 



P. grayeoleiis Raf. Clammy-weed. Sandy shore of Lake Champlain; 

 common. July, Aug. 



SARRACENIACEAE. PITCHER=PLANT FAMILY 



SARRACENIA (Tourn.) L. 



S. purparea L. Side-saddle Flower, Pitcher-plant, Huntsman's Cup. 

 Sphagnum bogs; frequent. June. 



DROSERACEAE. SUNDEW FAMILY 



DROSERA L. Sundew 



D. loiigifolia L. Long-leaved Sundew. Bogs; rare. July, Aug. Col- 

 chester, (Pi'ingle, Griffin). 



D. rotnndifolia L. Round-leaved Sundew. Bogs and wet banks; fre^ 

 quent. July, Aug. 



CRASSULACEAE. ORPINE FAMILY 



PENTHORUM (Gronov.) L. Ditch Stonecrop 

 P. sedoides L. Ditches and swamps; frequent. July-Sept. 

 SEDUM (Tourn.) L. Stonecrop. Orpine 



S. ACRE L. Mossy Stonecrop. On rocks; occasional. June, July. 



S. PURPUREUM Tausch. (S. triphyllum (Haw.) Gray) Garden Orpine, 

 Live-for-ever. Fields and roadsides; common. Aug., Sept. 



