64 NEW YORK STATE MUSEUM 



Red oak Quercus rubra L. 



White birch Betula populifolia Marsh. 



Yellow birch " lutea Michx. f. 



Witch-hazel Hamamelis virginiana L. 



Black oak Quercus velutina Lam. 



Wild black cherr\' Prunus serotina Ehrh. 



Juneberry Amelanchier canadensis (L.) Medic. 



Sassafras Sassafras sassafras (L.) Karst. 



Bird cherr}- Prunus pennsylvanica L. f. 



In low wet situations (swamp-forest) the principal trees are: 



Red maple Acer rubrum L. 



Yellow birch Betula lutea Michx. f. 



Tupelo or black gum Nyssa sylvatica Marsh. 



Elm Ulmus americana L. 



Silver maple Acer saccharinum L. 



Basswood Tilia americana L. 



Swamp hickory- Hicoria cordiformis (Wang.) Britt. 



Swamp white oak Quercus bicolor Willd. 



Striped maple Acer pennsylvanicum L. 



Red ash Fraxinus pennsylvanica Marsh. 



Tulip-tree Liriodendron tulipifera L. 



Black ash Fraxinus nigra Marsh. 



Cottonwood Populus deltoides Marsh. 



The presence here of certain trees like the tulip-tree, the oaks» 

 sassafras, black gum, cottonwood, and chestnut (north of the lake, 

 but not on the low sandy soils about Sylvan Beach), while they do 

 not form a conspicuous element of the forest, excepting the oaks, 

 would seem to indicate that the influence of the climate of the Great 

 Lakes region is felt to some extent in this eastward indentation of 

 the Ontario-Iroquois lowlands. 



There is not lacking, however, a good representation of shrubs 

 and herbs very characteristic of the Canadian-Transition zone, the 

 most noteworthy being the following: 



Bush honeysuckle Dierv-illa diervilla (L.) MacM. 



True wood-sorrel Oxalis acetosella L. 



Partridge-berrv' Mitchella repens L. 



Wild sarsaparilla Aralia nudicaulis L. 



Gold-thread Coptis trifolia (L.) Salisb. 



Yellow clintonia Clintonia borealis {Ait.) Raf. 



Two-leaved Soloman's seal Unifolium canadensis {Desf.) Greene 



Bunch-berry Cornus canadensis L. 



Hobble-bush Viburnum alnifolium Marsh. 



Dalibarda Dalibarda repens L. 



Canada violet Mola canadensis L. 



It is interesting to note that for the most part these species o^ 

 the Canadian-Transition zone are inhabitants here of dense wood- 

 lands, while the large element of Austral shrubs and herbs is mainly 



