FIELD KECORDS OF BREEDING WORK. 51 



Venation: 



Coarse. Large midrib and veins ; veins spreading over entire leaf into 

 margins. 



Medium. Large veins in central portion of leaf. 



Fine. Small midrib and veins ; veins not prominent in the margin of 

 the leaf. 

 Rust: 



None. Absence of rust. 



Slight. A few spots on few leaves. 



Injured. Parts of the leaves destroyed. 



Destroyed. Most of the leaves rusted. 

 Leaf spots: 



None. No spots present. 



Incomplete. Part of the leaves evenly spotted. 



Complete. All of the leaves evenly spotted. 



Irregular. Part of the leaves irregularly spotted. 

 Amount of gum: 



Slight. Very little gum present. 



Medium. Deficient. 



Normal. The desirable quantity. 



Excessive. More than desirable. 

 Maturity: 



Very early. About two weeks earlier than medium. 



Early. About one week earlier than medium. 



Medium. Usual time of maturity. 



Late. About one week later than medium. 



Very late. About two weeks later than medium. 

 Thickness: 



Thick. Very coarse and heavy. 



Medium. Usual thickness. 



Thin. Light and thin. 



Very thin. Very thin texture. 

 Color in field: 



Very light. Pale yellowish green. 



Light. Pale green. 



Medium. Green. 



Deep. Concentrated green. 



Dark. Dark green. 



Very dark. Very dark green. 



Yelloiv. Yellow green. 



Very yelloiv. Deep yellow green. 

 Color in warehouse: 



Very light. Very light brown. 



Light. Light brown. 



Medium. Most desirable brown. 



Dark. Dark brown. 



Very dark. Very dark brown. 

 Elasticity: 



Strong. Leaf stretches without tearing. 



Medium. Between strong and weak. 



Weak. Does not stretch and tears easily. 



