84 DICOTYLEDONE^E. 



to the dissilient property of its capsules, which, when 

 ripe, burst with such force as to scatter the seeds 

 to a considerable distance around. Tilia, or lime 

 tree, is noted for its distinct and easily separable 

 layers of bark, of which Russia mats are made. It 

 has been said of this tree, that its liber is double, or 

 that it produces two layers in each year ; but this 

 requires confirmation. The filaceous coverings of 

 the seeds found in the capsules of the Gosslpium^ 

 are no less curious than useful ; and the fine tenacious 

 fibres of the bark of Linum should not be overlooked. 

 The form of the leaves of Saracenia is remarkable ; 

 and the creeping rhyzomas of the Nelumbium deserve 

 the attention of the cultivator. 



