47 



S. longifolia, Muhl. Lake Champlain, Pringle ; Windsor, Jessup. 



S. discolor, Muhl. Banks of streams and swamps. 



S. rostrata, Rich. {S. livida var. occidentalis, Gray.) Common. 



S. chlorophylla, A.nd. Mt. Mansfield, Pringle. 



S. myrtelloides, L. Swamps. 



S. Uva-ursi, Pursh. (S. Outleri, Tuck.) Summits of higher 

 mountains. 



S. petiolaris, Sm. 



S. Sericea, Mar. Silky willow. Swamps and sandy banks of 

 streams. 



S. monilis, Mar. Damp thickets. 



S. cordata, Muhl. Low grounds. 



S. balsamifera, Barret. Mt. Mansfield. Pringle. 



S. Candida, Willd. Bogs. 



S. PUEPUKEA, L. Purple willow. Burlington, Herrick; Middle- 

 bury, Brainerd. 



335. PopuLus. 



P. tremuloides, Mx- American Aspen. Common. 



P. grandidentata, Mx. Woods and hillsides. Common. 



P. balsamifera, Mx, Balsam Poplar. Woods and river banks. 

 Common. 



P, BALSAMIFERA, Mx. var. CANDiCANs. G. Balm of Gilead. 



P. monilifera. Ait. Including P. angulata of Gray's Manual. 

 Cottonwood. Western Vermont. 



P. DiLiTATA, Ait. Lombardy Poplar. 



P. ALBA, L. Silver Poplar. 



