62 FLORA OF BURLINGTON AND VICINITY 



H. mutilum L. Small-flowered St. John's-wort. Low grounds; com- 

 mon. July-Sept. 



H. PERFORATUM L. Common St. John's-wort. Fields and roadsides; 

 common. June-Sept. 



H. pnnctatum Lam. Spotted St. John's-wort. Damp places; frequent. 

 July, Aug. 



H. Tirginicnm L. Marsh St. John's-wort. Swamps; frequent. July, 

 Aug. 



CISTACEAE. ROCKROSE FAMILY 



HELIANTHEMUM (Tourn.) Mill. RockrosE 

 H. majns BSP. Frostweed. Sterile soil; frequent. June- Aug. 



HUDSONIA L. 



H. tomentosa Nutt. One form occurs. Var. intermedia Peck. Beach 

 Heather. Sandy beaches of Lake Champlain; occasional. May, 

 June. 



LECHEA (Kalm) L. Pin weed 



L. intermedia Leggett. Dry sterile soil; frequent. July, Aug. 



VIOLACEAE. VIOLET FAMILY 



VIOLA (Tourn.) L. ViolET. Heart's-EasE 



V. affiuis Le Conte. Moist thickets and boggy meadows. May. Col- 

 chester, (Brainerd). 



V. arenaria DC. Sand Violet. Sand plains; common. May. 

 y. blauda Willd. Sweet White Violet. Cool rich woods; common. 

 May. 



y, canadensis L. Canada Violet. Woods; common. May, June. Occa- 

 sional blossoms occur all summer. 



y. conspersa Reich. Dog Violet. Low shady grounds; common. Apr., 

 May. 



V. cucullata Ait. Marsh Blue Violet. Wet places; common. May, 

 June. 



