MICHIGAN EXPERIMENT STATION BULLETINS 



357 



When compared with clover, the root hairs of timothy are not bo numer- 

 ous and are longer and begin to appear close to the kernel. In other 

 words, the portion first pushing out and away from the kernel of timothy 

 is all of it a root, while in clover this first portion consists of a stem with 

 a root at the lower end. 



As in case of sprouting beans, the seed-coat is sometimes carried up on 

 the seed-leaves, but it is usually left in the soil as the plantlet appears 

 above the surface. Seedlings of clover come out of the soil in the form 

 of a bow as did those of the bean. When first seen each seed-leaf of clover 

 has scarcely any stem, but later the stem becomes considerably longer 



Fis. 30. Seedling of red clo- 

 ver as it appears above the 

 Eaud. 



Fig. 31. Seedling of red clover 

 with enlarged seed-leaves. 



than would be sufficient to reach across a seed leaf. The tiny, tender, 

 green bud is protected and covered by the stems of the seed-leaves as they 

 are closely pressed together. The seed-leaves of the bean were seen to 

 become smaller and withered as the young plant advanced, but those of the 

 red clover enlarge considerably, becoming four times as long as a dry 

 seed, usually enabling them to crowd off the seed-coat, if it happens to be 

 carried above the soil. The seed-leaves of clover become light green and 



