AMERICAN SUMAC. 



reports on commerce and navigation of the United States, issued by 

 the United States Department of Commerce. 



TABLE 1. Production of sumac in the United States. 



TABLE 2. Importation of sumac into the United States. 



Information in the possession of the Bureau of Chemistry shows 

 clearly that the consumption of domestic sumac during the two or 

 three years prior to 1917 was more than 10,000,000 pounds annually. 

 Early in 1910 domestic sumac was quoted at $55 a ton. In June, 

 1920, Sicilian sumac was worth about $90 a ton at the chief Atlantic 

 ports, while domestic sumac was quoted at $75 a ton. 



SPECIES OF AMERICAN SUMAC. 



Important species of sumac growing in North America are : Dwarf 

 sumac (Rhus copallina L.), white sumac (Rhus glabra L.), and stag- 

 horn sumac (Rhus hirta (L.) Sudw.). Other species which contain 

 tannin are : Fragrant sumac (Rhus aromatica Ait.), American smoke 

 tree (Rhus cotinoides Nutt.), and coral or Jamaica sumac (Rhus 

 metopium L.) . Two species of sumac are poisonous, namely : Poison 

 sumac, or poison elder (Rhus vernix L.), and poison or three-leaf ivy 

 (Rhus radicans L.). 



DWARF SUMAC, sometimes called BLACK or MOUNTAIN SUMAC (Rhus 

 copallina) . A shrub or sometimes a small tree with maximum height 



