PLATE 



CANE AND OTHER GRASSES. 



4. — A common type of mosaic, irregular streaks of pallid 

 green, of unequal length and width but elongated in the direc- 

 tion of the long axis of the leaf, on a background of normal 

 green; on leaf of variety Rayada. 



5. — A pattern somewhat similar to the above, but with the 

 colors reversed, so that the pallid green predominates; onleaf 

 of variety G. C. 1479. 



6. — The most injurious of the common types of mosaic. Just 

 a few streaks or islands of normal green remain on a back- 

 ground of yellowish green ; on leaf of variety M. P. R. 2. 



