78 BULLETIN OF THE LABORATORIES 



665. C. sulcata Nutt. Big Shell-bark. 

 Herbarium of Dr. F. O. Jacobs. 



666. C. porcina Nutt. Pignut. 

 Open woods, common. 



LXXXII. CUPULIFERAE. 



320. Alnus Tourn. 



667. A. incana Willd. Speckled Alder. 



Borders of streams, rare; Cranberry Marsh, Old Reservoir, Rain 

 Rock, Eden Township. 



321. Corylus . Tourn . 



668. C. Americana Walt. 



Reservoir, Lover's Lane, etc. Various soils. 



322. Ostrya Micheli. 



669. O. Virginica Willd. Hop Horn-beam. Lever-Wood. 

 Moist woods, generally distribuled. April 21, 1891. 



323. Carpinus L. 



670. C. Caroliniana Walter. Blue or Water Beech. 

 Rocky banks of streams, common. April 4, 1890. 



324. Quercus L. 



671. Q. alba L. White Oak. 

 Common everywhere. 



672. Q. macrocarpa Michx. Bur Oak. 

 Rich soil, common. 



^73- Q. bicolor Willd. Swamp White Oak. 

 Rocky banks of streams; Spring Valley. 



674. Q. Prinus L. Chestnut Oak. 

 Rocky soil, rare; Flint Ridge. 



^75- Q. rubra L. Red Oak. 

 Woods, common. 



676. Q. coccinea Wang. Scarlet Oak. 

 Woods, common. 



677. Q. coccinea Wang. Var. tinctoria Gray. 

 Woods, common; Spring Valley. 



