



Fig. 239. 



: 700 



Very young cells from potato, in which 

 the deposition of starch is jus; 

 menciug. p 1- 



Fig. 



o. showing starch granules 

 3 interior. X 350. p. 161. 







V 



X 215. 



341*. 



O & 



,?.**. 



vx l, 



Eice starch. x 215. i 



Fig. 242. 





Portion of le; r . showing cellular tissue, fibres and 

 spi '^vessels, x -Jl,-j. p. 



Fig. 243. 









Vallisneria spirahs. showing large and small 

 cells with contents which rotate. 



X 130. p. 165. 



Fig. 244. 



. 



[To face page 164. 



