FLORA OF BURLINGTON AND VICINITY 23 



ARACEAE. ARUM FAMILY 



ACORUS L. Sweet Flag. Calamus 

 A. Calamus L. Marshes; common. June. 



ARISAEMA Martins. Indian Tvknip. Dragon Arum 



A. triplijilum (L.) Schott. Indian or Wild Turnip, Jack-in-the-Pulplt. 

 Rich moist woods; common. Apr., Maj'. Spathes, petioles and 

 sheaths vary in color from pale green to dark purple with whitish 

 stripes or spots. 



CALL A L. W.\TER arum 

 C. palnstris L. Wild Calla. Bogs and marshes; frequent. May, June. 



SYMPLOCARPUS Salisb. Skunk Cabb.vge 

 S. foetidus (L.) Nutt. Wet places: common. Apr., May. 



LEMNACEAE. DUCKWEED FAMILY 



LEMNA L. Duckweed. Duck's Meat 



L, luiuor L. Lesser Duckweed. Stagnant water; frequent. Not found 

 in flower. 



L. trisulca L. Ivy-leaved Duckweed. Ponds; occasional. Not found 

 in flower. 



SPIRODELA Schleid. 



S. polyrhiza (L.) Schleid. Greater Duckweed. Stagnant water; fre- 

 quent. Not found in flower. 



ERIOCAULACEAE. PIPEWORT FAMILY 



ERIOCAULON (Gronov.) L. Pipewort 



E. articulatiini (Huds.) Morong. (E. sei)tangulare With.) Border of 

 Lake Champlain, Colchester. (N. F. F., Griffin). Aug.. Sept. 



