i6 



PHYSIOLOGY. 



if we examine the slices wc shall find that those in water remain, 

 as at first, (juitc rigid, while those in the salt and sugar solutions 

 are more or less flaccid or limp, and readily benci by pres- 



Fig, 17. Vvi. ly. Fig. 19. 



Before treatment with salt After treatment with salt From salt solution into water 



solution. solution. again. 



Figs, 17-19. — Osmosis in cells of Indian corn. 



sure between the fingers, the specimens in the salt sohition, 

 perhaps, being more flaccid than those in the sugar solution. 

 The salt solution, we judge after our experiment with spirogyra, 



Fig. 20, 

 Rigid condition of fresh beet Li 

 section. 



Fig- 21. Fig. 2J. 



np conditiori after lying in Rigid acain alter lying asani 

 salt solution, i,, ..,,„- ^ * 



Figs, 2(^22, — Turgor and osmosis in slices of beet, 



withdraws some of the water from the cell-sap, the cells thus 

 losing their turgidity and the tissues becoming limp or fiaccid 

 from the loss of water. 



