. FLORA OF BURLINGTON AND VICINITY 73 



VINCA L. PERnviNKLE 



V, MINOR L. Common Periwinkle, Blue Myrtle. Frequent in old gar- 

 dens and established in rich woods near dwelling, Shelburne, 

 (N. F. F.). Apr., May. 



ASCLEPIADACEAE. MILKWEED FAMILY 



ASCLEPIAS (Tourn.) L. MilkwEEd. SilkwEEd 



A. aiiiplexicaulis Sm. Blunt-leaved Milkweed. Sandy soil; frequent. 

 July. 



A. incariiata L. Swamp Milkweed. Marshes; common. July, Aug. 



A. pliytolaccoides Pursh. Poke Milkweed. Moist copses; rare. July, 

 Aug. Burlington, (Torrey, N. F. F.) ; Colchester, (N. F. F.). 



A. qiiadrifolia Jacq. Four-leaved Milkweed. Rocky woods; occasional. 

 June, July. 



A. syriaca L. Common Milkweed or Silkweed. Rich grounds; com- 

 mon. July. 



CONVOLVULACEAE. CONVOLVULUS FAMILY 



CONVOLVULUS (Tourn.) L. Bindweed 



C. ARVENSis L. Field Bindweed. Railroad yard, Burlington, (Jones). 

 July. 



C. jAPONicus Thunb. California Rose. Occasional in old gardens and 

 an escape by roadside, Essex, (Jones). July. 



C. sepium L. Wild Morning Glory, Hedge Bindweed. Moist thickets, 

 sandy fields, etc. ; common. July, Aug. 



C. spithamaeus L. Upright Bindweed. Dry sandy plains; common. 

 June-Aug. 



CUSCUTA (Tourn.) L. Dodder. LovE VjnE 



C. Grouovii Willd. Moist thickets; frequent. July, Aug. 



IPOMOEA L. Morning Geory 



I. cocciNEA L. Small Red Morning Glory. Adventive in garden, Bur- 

 lington, (Mrs. Zottman). June-Aug. 



I. PURPUREA (L.) Roth. Common Morning Glory. Frequently spon- 

 taneous in gardens and waste places. June-Sept. 



