220 LUTHER BURBANK 



the oriental poppy had not been under cultiva- 

 tion as long as the other. 



One of the best marigolds with which I have 

 worked is called the Lemon Ball. It is of the 

 African type, and produces great lemon-yellow 

 blossoms in abundance, blooming throughout 

 the entire season. The best specimens are com- 

 pletely double, but if the seed is saved from the 

 most double blossoms, almost half of the seed- 

 lings will bear single flowers, or those not per- 

 fectly double. 



It is obvious that the factors for singleness 

 and doubleness tend to be segregated and that 

 the strains of the double marigold have not all 

 been isolated in such a way as to produce double 

 flowers uniformly. This should also be expected 

 for the reasons above mentioned. 



This, of course, could be done by careful 

 selection. 



More recent experiments have to do with the 

 general improvement of the marigolds, and I am 

 also experimenting with a new species from 

 Chile with reference to its possible value as a 

 potherb for its fragrance and flavor. It is a 

 tall, slender shrub with innumerable pale, straw- 

 yellow flowers almost white. Like one or two 

 other species of the genus it has a most delight- 

 ful fragrance and flavor. As regards quality 



