MIAMI, FLA,, 1904. 



19 



centage of this constituent present. All of the new cuttings from 

 Miami proved to be lower in hydrocyanic acid than the same numbers 

 grown in Biloxi the previous year. Were it not for the fact that the 

 two sets of analyses were not made at the same time of year, the 

 results would seem to substantiate the theory that all varieties grown 

 in Florida in time cease to be poisonous. 



PEDIGREED VARIETIES OF CASSAVA GROWN AT MIAMI, FLA., AND 



VICINITY. 



SEASON OF 1904. 

 HYDROCYANIC ACID. 



In the latter part of January, 1905, the examination of samples of 

 cassava grown at Miami, Fla., was begun. Twenty-eight varieties 

 imported direct from Jamaica were grown, twenty-seven of which 

 were classed as sweet, and one, No. 9699, known as a poison variety, 

 died before a complete study could be made of it. The plants had 

 been growing for fifteen months at the time the analyses were made, 

 the same apparatus and methods being used as at the Biloxi station 

 and the work done by the same analyst. The results, compared with 

 those obtained at the Biloxi station, are given in Table V. 



TABLE V. Comparison of analyses of same varieties of cassava grown at Biloxi, Miss., 



and at Miami, Fla., 1904. 



a Some samples from Lemon City and Dania also. 



