CELLS AND THE ORGANISM 41 



branched above, and the branchlets are 



g. 5. Hydrurus fcetidus. I. General character of the 

 plant. ' II. One of the tips of the branches highly magni- 

 fied showing the cells of which the plant is built up. The 

 protoplasmic bodies are embedded in a common jelly 

 formed by the swelling up of the walls or membranes, but 

 the innermost layer forms a sharply defined skin round 

 each protoplast. 



hairy " or villous. The lower part forms 



