THE VESSELS. 55 



serve for the passage of the lymph, in conjunction with 

 the intercelhilar passages. 



The ascent of the lymph in the stems of Mosses and 

 Hepatic^, or in the peduncles of Fungi, which have no 

 vessels, is a great argument for believing that the vessels 

 in their ordinary state are not the conductors of the 

 lymph ; and this comparison tends to confirm the preced- 

 ing opinion. 



