190 Bulletin 187 



P. (leltoides Marsh. Cottonwood, Necklace Poplar. Borders of low- 

 land streams and lakes; frequent in western Vermont and in the 

 Connecticut Valley as far north as Brattleboro. 



P. grandidentata Michx. Large-toothed Aspen. Rich woods; frequent. 



P. nigra L., var. italica* Du Roi. (P. dilatata Ait.). Lombardy Poplar. 

 Frequent in cultivation and spreading from the root. Only 

 staminate trees occur. 



P. treiuuloides Michx. American Aspen, Trembling Poplar, Popple. 

 Woods; common. 



SALIX. Willow. Osier 



S. alba* L. White Willow. Burlington, (Blake). Var. caerulea* (Sm.) 

 Koch. Cultivated and sometimes spontaneous. Barre, (Eunice P. 

 Smith). Var. yitellina* (L.) Koch. Frequent in cultivation and as 

 an escape by streams. 



S. balsaiiiifera Barratt. (S. pyrifolia Anders.). Mt. Mansfield, (Prin- 

 gle) ; Long Pond, Westmore, (E. Faxon) ; Elmore Mountain, 

 (Grout). Frequent about Willoughby Lake, (Kennedy). 



S. Candida Fliigge. Sage Willow, Hoary Willow. Cold bogs; rare. 



S. cordata Muhl. Heart-leaved Willow. Low wet soil; common. 



S. discolor Muhl. Glaucous Willow, Pussy Willow. Wet soil; com- 

 mon. Var. eriocepliala (Michx.) Anders. South Burlington, (Kirk 

 and Jones, Blake). Var. prinoides (Pursh.) Anders. Johnson, 

 (Grout). 



S. fragilis* L. Crack Willow. Common in cultivation and frequent as 

 an escape. 



S. Immilis Marsh. Prairie Willow. Sandy barrens; frequent. 



S. longifolia Muhl. (S. fluviatilis auth., not Nutt. ; S. interior Rowlee). 

 Sand Bar Willow. Shores of Lake Champlain and the lower Con- 

 necticut River; rare. 



S. lucida Muhl. Shining Willow. Moist banks; frequent. Var. an- 

 gustifolia Anders. Burlington, (Blake). 



S. nigra Marsh. Black Willow. Banks of streams and ponds; com- 

 mon. Var. falcata (Pursh.) Torr. With type; frequent. 



S. pedicellaris Pursh. Bog Willow. Peat bog, Bristol, (Eggleston and 

 Dike). 



S. pedicellaris Pursh., var. hypoglauca Fernald. (S. pedicellaris Gray's 

 Manual, ed. 6, in part). Rhod. 11: 161. Cold bogs; Burlington, 

 (Robbins) ; Rutland, (Ross) ; Brandon and Leicester, (Button) ; 

 Colchester, (Grout). 



S. pellita Anders. Banks of Connecticut River, Bloomfield, (Eggles- 

 ton). 



S. petlolaris Sm. Slender Willow. Swamps and shores of Lake Cham- 

 plain; occasional. Willoughby Lake, (Annie Lorenz). 



S. phylieifolia L. Lake of the Clouds, Mt. Mansfield, (Pringle). 



S. purpurea* L. Purple Willow. Occasional as an escape. Once cul- 

 tivated for basket rods. 



