FLORA OF BURLINGTON AND VICINITY 55 



ROBINIA L. Locust 



R, Pseudo-Acacia L. Common Locust, False Acacia. Frequent in cul- 

 tivation and thoroughly naturalized. June. 



R, viscosA Vent. Clammy Locust. An established roadside escape, 

 South Burlington and Colchester, (N. F. F.). June. 



TRIFOLIUM (Tourn.) L. Clover. Trefoil 



T, AGRARiuM L. Yellow or Hop Clover. Sandy soil; frequent. May- 

 Aug. 



T, ARVENSE L. Rabbit-foot or Stone Clover. Dry sandy soil; common, 

 July-Sept. 



T. HYBRiDUM L. Alsike Clover. Fields and roadsides; common. May- 

 Aug. 



T. MEDIUM L. Zigzag Clover. Adventive at Experiment Farm, Bur- 

 lington, (Jones). July, Aug. 



T. PRATENSE L. Red Clover. Fields and roadsides; common. May- 

 Sept. 



T. PROCUMBENS L. Low Hop Clover. Railway embankment and lumber 

 yards; rare. June, July. Burlington, (Kirk, N. F. F.). 



T. repens L. White Clover. Fields and roadsides; common. May, 

 June. 



VICIA (Tourn.) L. Vetch. Tare 



V. ANGUSTIEOLIA Reich. One form occurs. Var. segetalis (Thuill.) 

 Koch. Common Vetch. Roadsides, waste places, etc.; common. 

 June-Aug. A white-flowered form occurs on rocky bluff and beach 

 of Lake Champlain, Burlington, (N. F. F.). 



V. Cracca L. Blue Vetch. Meadows and roadsides; frequent. June- 

 Aug. 



V. tetrasperma (L.) Moench. Slender Vetch. In cultivated field, Bur- 

 lington, (Ross). June, July. 



LINACEAE. FLAX FAMILY 



LINUM (Tourn.) L. Flax 



L. usitatissimum L. Common Flax. Occasionally adventive. . July- 

 Sept. 



