2 4 



PLANT LIFE. 



FIG. 30. FIG. 31. 



FIG. 30. One coenocyte from a branch of Clacfbphora, showing fifteen nuclei, ch, 

 chloroplasts ; h, pyrenoids ; rt, starch-grains; n, nuclei. Magnified 270 diarn. 

 After Strasburger. 



FIG. 31 Part of a plant of Canlerpa. See text, 1 29. Two-thirds natural size. 

 After Sachs. 



FIG. 32. Acetabularia. A, an entire plant, natural size After Woronin. , dia- 

 grammatic longitudinal section through the upper end of the stalk and the um- 

 brella-like circle of crowded branches which grow together ; , scars left by fall of 

 an earlier whorl of short branches ; r, ?y, rudimentary branches ; C, the base of 

 stalk showing rhizoids for attachment, /, and for storage, b. Magnified 20 diam. 

 After De Bary and Strasburger. 



