72 FLORA OF BURLINGTON AND VICINITY 



TRIENTALIS (Rupp.) L. ChickwEEd WintergrEEN 



T. auiericana (Pers.) Pursh. (T. borealis Raf.) Star Flower. Moist 

 woods and thickets; common. May. 



OLEACEAE. OLIVE FAMILY 



FRAXINUS (Tourn.) L. Ash 



V. ainericami L. White Ash. Rich woods; common. May. 



F. nigra Marsh. Black Ash. Swamps and woods; frequent. May. 



F. peuusylvauica Marsh. Red Ash. Low grounds; common. May. 



F. peuusylvauica Marsh., var. laiiceolata (Borkh.) Sarg. Green Ash. 



Shore of Lake Champlain, Burlington, (Jones). May. 



SYRINGA L. Lilac 



S. VULGARIS L. Common Lilac. Persistent about old building sites. 

 May, June. 



GENTIANACEAE. GENTIAN FAMILY 



BARTONIA Muhl. 



B. virgiiiica (L.) BSP. Yellow Bartonia. Boggy places; rare. July, 

 Aug. South Burlington, (Jones, Ross); Colchester, (N. F. F.). 



GENTIANA (Tourn.) L. Gentiai" 



G. Audrewsii Griseb. Closed Gentian. Moist grounds; frequent. Aug., 



Sept. 



G. quiiiquefolia L. Stiff Gentian, Ague-weed. Shore of Lake Cham- 

 plain, South Burlington, (Torrey, Ross). Sept., Oct. 



MENYANTHES (Tourn.) L. BuckbEan 



M. trjfoliata L. Bogs and shallow water; occasional. June. 



APOCYNACEAE. DOGBANE FAMILY 



APOCYNUM (Tourn.) L. Dogbane. Indian Hemp 



A. androsaeiiiifolhiiii L. Spreading Dogbane. Thickets and fields; 

 common. July-Sept. J 



A. cainiabinmn L. Indian Hemp. Moist banks; frequent. July, Aug. 



