ABSORPTION OF WATER 



53 



Fig. 40. — Diagram Fig. 41. — Root-hairs from the root of a mus- 



sho wing relation of root- tard seedling, a, In state of turgor; h, be- 



hairs to adjacent cells of ginning of plasmolysis after immersion in weak 



the root, h, the oldest salt-solution; c, later stage of plasmolysis; «, 



of the four hairs shown, nucleus, 

 and furthest from the 

 root-tip. 



Fig. 42. — Root-hairs, with soil-particles adhering. (After Sachs.) 



