268 EXPLANATION OF THE PLATES. 



Fig. 7. The epidermis-cells of the half-ripe seed of the same 

 plant, for the most part containing gum; at a, some 

 still undecomposed starch. 



8. The same cells from the same seed nearly ripe. Beau- 



tiful spiral fibres have been formed from the con- 

 tents, which are entirely consumed. 



9. Cells of the epidermis of the seed of Leptosiphon andro- 



saceum, moistened with water, so that the cone of 

 jelly has come forth, a. The remains of the cell- 

 walls. 



10. Cells from the ej)iderinis of the seed of Hydrocharis 



Morsus ranee. In the lower part of the cells, where 

 they are connected together, the spiral coils take a 

 direction different from that in the upper and free 

 part. 



For the figures in Plate II consult the text, pp. 243-6. 



THE END. 



C. AND J. ADLARD, PRINTERS, 

 BARTHOI OMEW CLOSE. 



4C72 



