Il8 JOURNAL AND PROCEEDINGS. 



Quercus alba — L. 



" macrocarpa — Michx. 



" Muhlenbergii — Engelm. 



" rubra — L. 



" coccinea, var. tinctoria — Gray. 

 Castanea sativa — Mill, var. Americana. 

 Fagus ferruginea — Ait. 



SALICACEAE. 



Salix nigra — Marsh. 



" var. falcata — Torr. 

 lucida — Muhl. 

 " alba — L. 

 " longifolia — Muhl. 

 rostrata — Richardson, 

 discolor — Muhl. 

 " humilis — Marsh, 

 tristis— Ait. (Logic). 

 vi/iiinalis — L. 

 cordata — Muhl. 

 Populus alba — L. 



" tremuloides — Michx. 

 " grandidentata — Michx. 

 " balsamifera — L. 

 " monilifera — Ait. 



CERATOPHYLLACEAE. 



Ceratophyllum demersum — L. 



CONIFERAE. 



Pinus Strobus — L. 

 Picea nigra — Link. 

 " alba — Link. 

 Tsuga Canadensis — Carr. 

 Abies balsamea — Miller. 

 Larix Americana — Michx. 

 Thuya occiden talis — L. 

 Juniperus communis — L. 

 " Virginiana— L. 

 Taxus Canadensis — Willd. 



