58 
The Ohio Naturalist. 
[Vol. X, No. 3, 
Ama ryllidaceae . 
Narcissus pseudo narcissus L. Daffodil cult. (Horn.) Bulb and 
flowers. 
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.) Rhizome 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 pubescens R. 
Br.) Downy Rattle-snake Plantain. (Ec.) Rhizome. 
Corallorhiza odontorhiza (Willd.) Nutt. Small flowered Coral-root. 
(Ec.) (Horn.) Rhizome. 
Dicotylae. 
Salicaceae. 
Salix nigra L. Black Willow (Ec.) Bark and aments. 
Salix alba L. White Willow. (Ec.) (Horn.). Bark and aments. 
Populus sp. (Ec.) (Horn.) Bark and leaf-buds. 
Myricaceae. 
Comptonia peregrina (L.) Coult. ( My-rica asplenifolia L.) Sweet 
Fern. (Ec.) Leaves and tops. 
Juglandaceae. 
Tuglans cinera L. Butternut. (Ec.) (Horn.) Bark of root. 
Juglans nigra L. Black Walnut. (Ec.) Bark of root. 
Betulaceae. 
Corylus americana Walt. Hazelnut. (Ec.) Hairs from involucre. 
Ostrya virginiana (Mill.) Koch. Hop Horn beam. (Ec.) (Horn.) 
Inner bark and wood. 
Carpinus caroliniana Walt. Blue Beech. (Ec.) Bark and wood. 
Betula lenta L. Cherry Birch. Black Birch. (Ec.) Bark and leaves. 
Alnus rugosa (Du Roy) Spreng. (Ec.) Bark. 
Fagaceae. 
Quercus alba L. White Oak. (U. S. P.) (Ec.) (Horn.) Bark. 
Quercus rubra L. Red Oak. (Ec.) Bark. 
Quercus velutina Lam. ( Q . tinctoria Bart.) Black Oak. (Ec.) 
(Horn.) Bark. 
