230 MANUAL OF TROPICAL AND SUBTROPICAL FRUITS 



culture (Habana, Cuba), April, 1917 ; the Tropical Agricultur- 

 ist (Colombo, Ceylon) No. 3, 1915; and the American Jour- 

 nal of Pharmacy, 1901. 



Alice R. Thompson of Hawaii has published the following 

 analyses of several different seedling strains grown at Honolulu : 



TABLE IV. COMPOSITION OF THE PAPAYA 



The sugar found in the papaya is principally invert 

 only traces of sucrose being present. 



sugar, 



Cultivation. 



The papaya is tropical in its requirements, but it can be 

 grown in regions where light frosts are experienced. It prefers 

 a warm climate and rich, loamy, well-drained soil. In southern 

 Florida it grows best on hammock soils, but it is successful on 

 "high pine" lands if properly fertilized. On the Florida Keys 

 the plant has become thoroughly naturalized and springs up 

 wherever a clearing is made, the seeds being scattered by birds 

 and other agencies. While commercial papaya-culture prob- 

 ably should not be attempted north of Palm Beach, good fruits 

 are occasionally produced in the central part of the state when 

 a mild winter allows the plants to reach fruiting age without 

 injury. 



In California the cool nights do not permit the fruit to mature 



