348 



Mr F. Darwin and Mr R. If. Phillips, [Nov. 23, 



sawn half through, first at one place, then at a second opposite 

 point 2 cm. above the first, and the amounts of water absorbed 

 Toy them (i) after one cut, (ii) after being " doubly sawn " were 

 estimated. 



The experiments were made on branches of Portugal laurel of 

 various sizes. 



Exp. 20. 



It will be seen in all four cases that the first cut produced 



