58 The Ohio Naturalist. [Vol. X, No. 3, 



Ainayyllidaceac. 



Narcissus pseudo -narcissus L. Daffodil cult. (Horn.) Bulb and 



fi Divers. 

 Agave virginica L. False Aloe. (Ec.) Root. 



Iridaceae. 

 Iris versicolor L. Iris, Blue Flag. (U. S. P.) (Ec.) (Horn.) Rhizome. 



Orchidaceae. 



Cypripedium parviflorum Salisb. Small yellow Ladies' Slipper. 



(U. S. P.) (Ec.) RJiizomc and roots. 

 Cypripedium candidum Muhl. White flowered Ladies' Slipper. 



(Ec.) Rhizome and roots. 

 Cypripedium reginae Walt. {C . spectabile Swz.) Showy Ladies' 



Slipper. (Ec.) Rhizome and roots. 

 Cypripedium hirsutum Mill. Large Yellow Ladies' Slipper (U. S. 



P.) (Ec.) Rhizome and roots. 

 Cypripedium acaule Ait. Stemless Ladies' Slipper. (Ec.) Rhizome 



and roots. 

 Peramium pubescens (Willd.) Mac M. {Goodyeara puhescens R. 



Br.) Downy Rattle-snake Plantain. (Ec.) Rhizome. 

 Corallorhiza odontorhiza (Willd.) Nutt. Small flowered Coral-root. 



(Ec.) (Horn.) Rhizome. 



Dicotylae. 



Salieaeeae. 



Salix nigra L. Black Willow (Ec.) Bark and ainents. 



Salix alba L. White Willow. (Ec.) (Flom.). Bark and aments. 



Populus sp. (Ec.) (Horn.) Bark and leaj-buds. 



Myrieaceae. 



Comptonia peregrina (L.) Coult. (Myriea asplenifolia L.) Sweet 

 Fern. (Ec.j Leaves and tops. 



Jtiglandaceae. 



Juglans cinera L. Butternut. (Ec.) (Hom.) Bark of root. 

 Juglans nigra L. Black AValnut. (Ec.) Bark of root. 



Betnkxeeae. 

 Corylus americana Walt. Hazelnut. (Ec.) Hairs from involucre. 

 Ostrya virginiana (Mill.) Koch. Hop Horn beam. (Ec.) (Hom.) 



Inner bark and zvood. 

 Carpinus caroliniana Walt. Blue Beech. (Ec.) Bark and wood. 

 Betula lenta L. Cherrv Birch. Black Birch. (Ec.) Bark and leaves. 

 Alnus rugosa (Du Roy) Spreng. (Ec.) Bark. 



Fagaceae. 

 Quercus alba L. White Oak. (U. S. P.) (Ec.) (Hom.) Bark. 

 Quercus rubra L. Red Oak. (Ec.) Bark. 

 Quercus velutina Lam. (0. tinctoria Bart.) Black Oak. (Ec.) 



(Hom.) Bark. 



