10 SIMARUBE.E. — BURSEBACE.E. Canada. 



The bark of the root possesses tonic properties, and is employed by 

 herbalists in the form of tinctures and fluid extracts in the treatment of 

 dyspepsia, debility, etc. ; the bitter fruit is occasionally used domesticallv 

 as a substitute for hops. 



27. Canotia holacantha, Ton-. 



Arizona. — White Mountain region, valley of the Gila River, valley of 

 Bill AYilliams Fork. 



A small tree, 6 to 8 metres in height, with a trunk sometimes 0.30 

 metre in diameter, or often a large shrub ; dry. rocky hillsides. 



Wood heavy, hard, very close-grained, compact, satiny ; medullary rays 

 thin, obscure ; color light brown tinged with red, the sap-wood lighter 

 brown. 



SIMARUBE^. 



28. Simaraba glauca, DC. 

 Paradise Tree. 



Semi-tropical Florida, — Cape Canaveral to the southern keys ; through 

 the West Indies to Brazil. 



A tree sometimes 15 metres in height, with a trunk 0.60 metre in 

 diameter ; within the United States not common, and reaching its greatest 

 development on the shores of Bay Biseayne. 



Wood light, soft, not strong, coarse-grained, containing many large 

 scattered open ducts ; medullary rays few, thin ; color light brown, the 

 sap-wood a little darker. 



The bark of this species is occasionally used as a substitute for that of 

 S. officinalis, DC, as an aromatic, bitter tonic. 



BURSERACEJE. 



29. Bursera gummifera, Jacq. 



Gum Elemi. Gumbo Limbo. West Indian Birch. 



Semi-tropical Florida, — Cape Canaveral to the southern keys, west 

 coast Caloosa River to Caximbas Bay ; in the West Indies. 



A tree often 18 metres in height, with a trunk 0.50 to 0.70 metre in 

 diameter ; one of the largest ami most common trees of southern Florida, 

 of very rapid growth and decay. 



Wood very light, exceedingly soft and weak, spongy, containing many 

 scattered open ducts; medullary rays numerous, thin; color light brown 

 or gray, quickly discoloring with decay. 



The aromatic resin obtained from this species was formerly somewhat 

 used in various forms, under the name of Carolina, as a remedy for gout ; 

 and in the West Indies is manufactured into a valuable varnish. 



