408 



MANUAL OF POISONOUS PLANTS 



Fig. 189. Deadly Upas Tree (Antiaris toxicaria). Flowering branch; portion 

 of staminate flower; longitudinal section of pistillate flower. (After Faguet.) 



elm (Ulmus ainericanu) which supplies a wood used largely in the manufacture 

 of chairs. The partly ornamental elms are rock elm (U. racemosa} and slip- 

 pery elm (U. fulva}. The bark of the latter is used in medicine. The rock 

 elm is used in the manufacture of bicycles; the wood taking a pretty finish. 

 One of the common elms of Europe, cultivated in the United States, is the 

 U. campestris. The U. montana is the Scotch elm. The hackberry (Celtis oc- 

 cidcntalis) is a valuable shade tree and furnishes pretty wood which is difficult 

 to work. The Chlorophora excelsa is one of the best timber trees of West 

 Africa. 



