74 SILVA OF NORTH AMERICA. SAPINDACE. 
separated it from the group of plants with which he supposed it to be allied. The genus is represented 
by one or perhaps two species.’ 
1 Radlkofer (Sitz. Akad. Miinch. xx. 276) distinguishes a second nea, vi. 419. Ratonia sp., Hemsley, Bot. Biol. Am. Cent. i. 213), 
species of Exothea, E. Copalillo (‘‘Copalillo,’? Schlechtendal, Lin- but I have never seen it. 
