FLORA OF VERMONT 33 



S. nigra, Marsh. Black Willow. Banks of streams and ponds ; common. 



S. nigra, Marsh, var. falcata, Torr. Frequent, with the species. 



S. pctiolaris, Smith. Swamps and shores of Lake Champlain ; occasional. 



S. phylicifolia, L. Lake of the Clouds, Mt. Mansfield, Pringle. Two forms 

 occur here, the one broad leaved, the other narrow leaved ; the latter 

 may be distinct. 



S, PURPUREA, L. Formerly cultivated for basket rods, now occasional as an 

 escape by water sides. 



S. rostrata, Richardson. (S. Bebbiana, Sargent.) Borders of thickets ; com- 

 mon. 



S. sericea. Marsh. In swamps and along streams ; occasional. 



S. Uva-ursi, Pursh. Summit of Mt. Mansfield, Rohbins. 



S. discolor x humilis, Bebb. Johnson, Grout. 



S, FRAGiLis X ALBA, Bcbb. Johnson, Grout. 



S. sericea x cordata, Bebb. Johnson, Grout. 



CUPULIFERAE. OAK FAMILY 



ALNUS. Alder 



A. incana, Willd. Borders of streams ; common. 



A. serrulata, Willd. (A. rugoaa, Koch.) Moist soil ; frequent. 



A. viridis, DC- (A. Alnobetula, Koch.) Higher mountain summits ; com- 

 mon ; rocky shores Connecticut River, occasional. Burlington Bay, 

 Mrs. Flynn. 



A. serrulata x incana. Burlington Bay, J(jnes and Eggleston. 



BETULA. Birch 



B. lenta, L. Sweet or Black Birch. Rich woodlands ; frequent in western 



Vermont and in the southern Connecticut valley. 



B. lutea, ^lichx. f. Yellow Birch. Rich cool soils ; frequent, especially on 

 mountain sides. 



B. papyrifera, Marshall. Paper or Canoe Birch. Common. 



B. papyrifera, Marshall, var. minor, Tuckerman. Summit Mt. Mansfield, 



Eggleston. - 



B. populifolia, Ait. White Birch. Frequent in the Champlain valley, less 



so in southern Vermont. 



CARPINUS 



C. Caroliniana, Walter. Blue Beech. Near streams ; common. 



