Grade. 

 Date. . 



EXERCISE 18 



GRASS SEED 



Object. To learn to identify and know the characteristics of some com- 

 mon grass seeds (Figs. 36 and 37). 



FIG. 36. Tripod lens. For seed testing this lens is satisfactory and inexpensive. (Productive 



Plant Husbandry.) 



A. By means of the key for the identification of grass seeds in Productive 

 Farms Crops by E. G. Montgomery, Chapter XXXV, identify numbered 

 but unlabeled seed samples of timothy, redtop, orchard grass, Kentucky 

 blue grass, Canada blue grass and other grasses of local importance. 



'No. 1 No. 4 



No. 2 No. 5 



No. 3.. No. 6 



B. Draw the same seeds. Make the largest seed one inch the long way 

 and the others in proportion. 



C. Identify the contents of numbered but unlabeled mixtures. 



Mixture 1 Mixture 5 ... 



Mixture 2 Mixture 6 ... 



Mixture 3 Mixture 7. . . 



Mixture 4.. Mixtures... 



59 



