I40 THE JOURNAL OF PHARMACOLOGY. 



Common along the Delaware, and occasional elsewhere along mountain 

 streams. 



HYDRANGEA ARBORESCENS L. 



Common along the Delaware, and occasional elsewhere along mountain 

 streams. 



Drosera or Sundew. 



Three species are abundant, in the south especially. 



♦HAMAMELIS VIRGINIA NA L. WITCH HAZEL. 



Very common and abundant in the north, where it is capable of yielding 

 commercial supplies, and frequent in the south. I have encountered 

 two distinct types of this bark in commerce, and should not be sur- 

 prised to learn that two species exist. 



*Liquidambar Styraciflua L. Sweet Gum. 



Abundant, except in the north, where it is frequent. In this State 

 it rarely becomes a large tree, as it does further south. 



*Onagra biennis (L.) Scop. Evening Primrose. 



Very common and abundant throughout, as a weed. 



Eryngium aquaticum L. Water Eryngo. 



It occurs at one station in Burlington County. 



*Sanicula. Black Snakeroot. 



The Saniculas grow commonly and abundantly in nearly all wooded 

 districts in the northern half of the State, and frequently in the south- 

 ern half also. Until recently all were supposed to belong to the two 

 species S. Marylandica L. and S. Canadensis; but in 1895 Mr. E. P. 

 Bicknell showed that most of that growing in this vicinity represented 

 an undescribed species, which he named S. Gregaria. 



*Cicuta maculata L. Water Hemlock. 



Although not, strictly speaking, a medicinal plant, this is so powerful 

 a physiological agent, and so frequently and fatally poisonous, that it 

 should receive mention here as being one of the commonest plants 

 of our northern swamps, and not infrequent in the south. 



*CONIUM MACULATUM L. 



This occurs occasionally, purely as an introduced plant. 



*Washingtonia Claytoni (Michx.) Britton. 



This occurs occasionally, purely as an introduced plant. 



*Washingtonia longistylis (Torr.) Britton. 



The two Sweet Cicely s, long familiar under the names Osmorhyza Bre- 

 vistylis, now restored to the genus Washingtonia, are common in woods 

 in the northern counties, 

 *FOENICULUM FOENICULUM (L.) KARST. FENNEL. 



Occurs in various localities, purely as an escape. 

 * Angelica atropurpurea L. American Angelica. 



This can hardly be regarded as abundant in any part of the State, but 



