QUERCUS SUBER. Cork Oak. 

 An evergreen oak native of Mediter- 

 ranean region. Grows to a height of 

 AO feet. It is usually first stripped of 

 its cork when it reaciies 16 inches in 

 diameter. The average yield per tree 

 is from 50 to 500 pounds every 10 

 years. Flourishes in sandy soil w^here 

 the rainfall is ample. Often lives 200 

 years. Hardy in Southern States. 



36735. RHAMNUSSP. Buck- 

 thorn. From Ying tau ko, China, 

 through Frank Meyer, A small- 

 foliaged species, having large, jet 

 black berries. This shrub does not 

 grow tall, but is densely branched 

 and assumes a well rounded form 

 when not mutilated. Of value as a 

 garden and park shrub, and for 

 medium-sized hedges, especially for 

 dryer sections of the United States. 



37384. RHEEDIA EDULIS. 

 Limao do Matto. From Lavras, Minas, 

 Brazil, through Dorsett, Shamel and 

 Popenoe. Tree twenty feet high, 

 with deep green, glossy foliage, 

 and thick-skinned fruity two inches 

 long, having snowy-white pulp with 

 acid flavor, resembling the mangos^ 

 teen in appearance and the lansium 

 in taste. Makes superior sweetmeats. 

 Related to mangosteen. Try as stock. 



