BUD VARTATIOlSr IN THE EUREKA LEMON". 



19 



DENSE-UNPRODUCTIVE STRAIN. 



The trees of the Dense-Unproductive^ strain are the least productive 

 of any of those of the Eureka variety under observation in the per- 

 formance-record plats, and the light yield of these trees is coordinated 

 with a correspondingly inferior quality of the fruits. In many ways 

 they resemble the trees of the Shade-Tree strain. The crops of 

 fruit are borne at about the same season, but the habit of growth of 

 the trees, instead of being spreading, is more erect and dense, as 

 shown in figure 6. 



Fig. 6.— a typical lemon tree of the Dense-Unproductive strain of the Eureka variety, 10 years planted 

 The vigorous and dense vegetative characteristics and lack of fruit are very marked. 



The trees usually have a large amount of vigorous vegetative 

 growth, or suckers. The leaves are usually not as large as those of 

 the Shade-Tree strain, but in general their shape and color are very 

 similar. The number of leaves produced by the trees of this strain 

 is greater than is the case with the trees of the Shade-Tree strain. 

 The percentage of imperfect flowers of the trees of this strain is larger 

 than in those of the Shade-Tree strain. This abnormal condition of 

 the "blossoms is partly responsible for the light yield of fruits of the 

 trees of this strain. The pistils are often small, rudimentary, or 



