76 
The Ohio Naturalist. 
[Vol. X, No. 4, 
Rutaceae. 
Xanthoxylum americanum Mill. Prickly Ash. (U. S. P.) (Ec.) 
(Horn.) Bark. 
Ptelea trifoliata L. Shrubby Trefoil. (Ec.) (Horn.) Bark of the 
root. 
Simarubaceae. 
Ailanthus glandulosa Desf. Chinese Tree of Heaven. (Ec.) 
Inner bark. 
Polygalaceae. 
Polygala senega L. Senega Snake-root. (U. S. P.) (Ec.) (Horn.) 
Root. 
Eupliorbiaceae . 
Euphorbia maculata L. Spotted spurge (Ec. )1Bark of root. 
Euphorbia corollata L. Flowering Spurge. (Ec.) (Horn.) Bark 
of the root. 
Euphorbia cyparissias L. Cypress Spurge. f (Horn.) Bark of 
the root. 
Callitrichaceae. 
Callitriche palustris L. (C . verna L.) Vernal Water Starwort. 
(Ec.) Plant. 
Sapindales. 
Anacardiaceae . 
Rhus typhina L. Staghorn Sumac. (Ec.) Bark of the root. 
Rhus glabra L. Smooth Sumac. (U. S. P.) (Ec.) (Horn.) Fresh 
)&& fruit and bark of root. 
Rhus vernix L. ( R . venenata DC.) Poison Oak. (Ec.) (Horn.) 
Leaves. 
Rhus radicans L. ( R . toxicodendron L.) (U. S. P.) (Ec.) (Horn.) 
Leaves. 
Rhus aromatica Ait. Fragrant Sumac. (Ec.) Bark of the root. 
Ilicaceae. 
Ilex opaca Ait. American Holly. (Ec.) (Horn.) Leaves. 
Ilex verticillata Gray. Black Alder. (Ec.) Bark and berries. 
Celastraceae. 
Euonymus atropurpureus Jacq. Wahoo, Burning Bush. (U. S. 
P.) (Ec.) (Horn.) Bark of the root. 
Celastrus scandens L. Climbing Bitter-sweet. (Ec.) Bark. 
Hippocastanaceae . 
Aesculus hippocastanum L. Iiorse chestnut. (Ec.) (Horn.) 
Bark and fruit. 
Aesculus glabra Willd. Ohio or Fetid Buckeye. (Ec.) (Horn.) 
Fruit. 
