170 [Assembly 



Betula, (continued.) 



lenta, L. B. carpinifolia, Michx. Cherry Birch, Siveet Birch. 



Woods . 

 excelsa, Ait. B. lutea, Michx. f. sylv. Yellow Birch. Woods, 



and borders of swamps . 

 nana, L. Dwarf Birch . High mountains of Essex county. 



Alnus, Willd. Alder . 



serrulata, Willd. Common Alder . Swamps and wet thickets . 



March . 

 incana, Willd.? Sources of the Hudson, Essex county. 



Sub-Order Salicine^e. The Willow Tribe. 



Salix, L. Willoio. 



§ viminalis, L. Osier, Basket Willoio. Banks of streams. April. 

 Muhlenbergiana, Willd. Dry woods and sandy thickets . April . 

 tristis, Muhl. Dry woods . April-May . 

 pedicellaris, Pursh. Swamps, usually on mountains . May . 

 conifera, Wang. S. eriocephala, Michx.? Wet thickets. April, 

 myricoides, Muhl. Swamps. April. 



prinoides, Pursh. Swamps. April. Distinct from the preceding? 

 discolor, Willd. Low grounds . April . 

 longifolia, Muhl. River banks . May . 



§ babylonica, L. Weeping Willow . About houses . April . 

 nigra, Marsh. Banks of streams . May . 

 longirostris, Michx. Wet thickets and woods . April . 

 rigida, Muhl. Borders of swamps . April . 

 lucida, Muhl. With the preceding. April, 

 cordata, Muhl. Low wet grounds . April . 

 grisea, Willd. Low grounds . April . 

 § vitellina, L. About houses, and along brooks . April . 

 uva-ursi. Pursh ? Mount Marcy . July . Whiteface Mountain, 

 Dr. Emmons. 

 I have several other undetermined species of Willow, collected 

 in this State . 



Populus, L. Poplar. 



balsamifera, Michx. Balsam Poplar, Tacamahac . Shores of 



Lake Champlain. MicJix.f. 

 b candicans, Ait . About houses . April . 



