37900. CELTIS SP. A tree about 

 30 feet high and sometimes spreading 

 in habit, related to our native hack- 

 berry, found growing on the river 

 banks in Pirapora,Minas, Brazil. The 

 small, orange-colored fruits, about one- 

 fourth inch in diameter, are edible and 

 eagerly sought after by the boys. 



38601. CEREUS TRIANGU- 

 LARIS. Pitaya. From Guatemala 

 City, Guatemala, through O. F. Cook. 

 A climbing cactus v^ith triangular 

 stem; cultivated in tropical America 

 for its refreshing fruit w^hich is egg- 

 shaped and filled w^ith svs^eet, deep 

 crimson pulp of the consistency of 

 w^atermelon and containing many 

 small black seeds. Adapted to the 

 South or southern California. 



37217. CEROPEGIATHORN- 

 CROFTI I. From Barberton, Trans- 

 vaal, through George Thorncroft. A 

 climbing, oriiamental,asclepiadaceous 

 vine v^ith many-flowered cymes of 

 white flowers with purple blotches. 

 Has fleshy roots and fleshy leaves. 

 Occurs on the dry veldt growing on 

 the acacia trees. Should be tried by 

 amateurs in the southwest and 

 Florida. 



