THE JOURNAL OF PHARMACOLOGY. 207 



Phoradendron flavescens (Pursh.) Nutt. American Mistletoe. 



Rather frequent in the southern part of the State. 

 Euphorbia corollata L- 



Abundant in some southern localities. 

 Euphorbia Ipecacuanhae L. 



Abundant in the south and along the coast, in sand. 

 *ULMUS PUBESCENS WALT. SLIPPERY ELM. 



Common in the north, especially in the rocky woods of this section, and 



occasional in the south. Has largely disappeared as the result of col- 

 lection. 

 HUMULUS LUPULUS L. HOP. 



Occurs sparingly in numerous places throughout the State, and grows 



well under cultivation. 

 ^Cannabis sativa L. Hemp. 



Occurs occasionally throughout, but is doubtless devoid of active prop- 

 erties. 

 Urtica dioica L. Nettle. 



Of frequent occurrence throughout. 

 *JUGLANS CINEREA L. BUTTERNUT. 



Occasional in the south and common and abundant in rocky woods 



north, especially hereabouts. 

 *Myrica cerifera L. Bayberry. 



Very abundant except in the north ; especially along the coast. 

 *Comptonia peregrina (L.) Coulter. Sweet Fern. 



Very common throughout on dry, rocky hills. 

 *BETULA LENTA L. SWEET BIRCH. 

 *BETULA LUTEA MICHX. F. YELLOW BIRCH. 



Both are very common forest trees, and capable of yielding large sup- 

 plies of bark. 

 *QUERCUS ALBA L. WHITE OAK. 



One of our most abundant forest trees. 

 *CASTANEA DENTATA (MARSH) BORKH. CHESTNUT. 



Growing with the last, and equally abundant. 

 *FAGUS LATIFOLIA (MOENCH) LOUD. BEECH. 



Occasional south and abundant north. 

 *SALIX. WILLOW. 



No less than 16 species occur in the State, many of them in great 



abundance. Both S. alba L- and S. nigra Marsh, are among the 



number. 

 *POPULUS. POPLAR. 



Seven species of this genus also occur. 

 *CYPRIPEDIUM HIRSUTUM MUHL. LADIES' SLIPPER. 



Common in rich woods north, and occasional elsewhere. Collection has 



nearly exterminated it in the vicinity of New York. 



