82 



RUE FAMILY 



Wood light brown, soft, weight 35 lbs., of little value; the bark yields 

 a yellow dye and a bitter resin. The latter is a stimulant and tonic, and 

 is used for toothache and sometimes in the treatment of rheumatism. 



Ptelea Linne 1753 

 (Gr. ptelea, elm, probably in allusion to the winged fruit) 



Small trees or shrubs with alternate 3-5-foliolate leaves, and without 

 prickles; flowers in panicles, polygamous, whitish, sepals and petals 4-5, 

 distinct, stamens 4-5, the anthers often tiny or wanting in the pistillate 

 flowers, ovary 2-celled, flattened; fruit a broadly winged, round samara. 



A genus of 6 species, natives of the United States and Mexico. 



Ftelea trifoliata Linne 1753 Hop-tree, Shrubby Trefoil 



