170 [AssEMBLY 
Betuta, (continued.) 
lenta, L. B.carpinifolia, Miche. Cherry Birch, Sweet Birch. 
_ Woods. 
excelsa, Azt. B. lutea, Miche. f. sylv. Yellow Birch. .Woods, 
and borders of swamps. 
nana, L. Dwarf Birch. High mountains of Essex county. 
Aunus, Willd. Alder. 
serrulata, Willd. Common Alder. Swamps and wet thickets. 
March. 
incana, Willd.? Sources of the Hudson, Essex county. 
Sus-OrperR SaLicinEx. Tue Wittow TRrise. 
Saux, LZ. Willow. 
§ viminalis, LZ. Osier, Basket Willow: Banks of streams. April. 
Muhlenbergiana, Wzlld. 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. 
cerdata, Muhl. Low wet grounds. April. 
grisea, Willd. Low grounds. April. 
§ vitellina, Z. 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. 
Porutus, L. Poplar. 
balsamifera, Michxw. Balsam Poplar, Tacamahac. Shores of 
Lake Champlain. Miche. f. 
§ candicans, Ait. About houses. April. 
