22 Pomona College Journal of Economic Botany 



and shallow, flaring, furrowed ; pedicel very stout, insertion usually one sided ; 

 surface very rough; color dark green, with numerous small, round, yellowish 

 dots; skin very thick and tough, separating readily from the flesh; flesh yel- 

 lowish cream color, changing to yellowish green near the skin; texture, 

 smooth ; fibre very slight ; flavor fairly rich ; quality good ; seed large, roundish 

 conical, tight in cavity ; seed cavity large ; season February to April at 

 Hollywood, Los Angeles, Cal. 



Tree is upright, vigorous, with abundant dark green foliage. Moderately 

 prolific. Here described for the first time. 



Walker 



(Figure 12) 



Form broad pyriform ; dimensions, length four and one-fourth inches, di- 

 ameter two and one-half inches ; apex a dot ; base rounded ; cavity none ; pedicel 

 rather slender ; surface very rough ; color dark green, with numerous medium 



Figure 12. The Walker Avocado, one of the Guatemalan type, one-half natural size. 



sized, round, yellowish green dots ; skin very thick and tough, separating 

 readily from the flesh ; flesh cream color, tinged with green near the skin ; 

 texture smooth, but not buttery; flavor fair, rather watery; fibre objectionable; 

 quality fair ; seed large, broadly conical, tight in cavity ; seed cavity large ; 

 season March to May at Hollywood, Los Angeles, Cal. 



Tree is a vigorous grower, spreading in habit, with abundant, healthy, dark 

 green foliage. Extremely prolific. A seedling of the Miller. Here first 

 described. 



Lyon 



(Figure 13) 



Form broad pyriform ; dimensions, length five and one-half inches ; diameter 

 three and one-half inches ; apex slightly depressed ; cavity almost none ; pedicel 

 very stout, insertion usually one sided ; surface rough, color dark green, with 

 numerous small, irregular, yellowish or russet dots ; skin very thick and tough. 



