136 OF BUDS. 



FL Au&tr. append, t. 17, they grow one un- 

 der another for three successive seasons. The 

 buds of the Plane-tree, Platanus, Du Hamel 

 Arb. v. 2. 171 5 are concealed in the footstalk, 

 which must be removed before they can be 

 seen, and which they force off by their in- 

 crease ; so that no plant can have more truly 

 and necessarily deciduous leaves than the 

 Plane. Shrubs in general have no buds, nei- 

 ther have the trees of hot climates. Linna?us 

 once thought the presence of buds might 

 distinguish a tree from a shrub, but he was 

 soon convinced of there being no real limits 

 between them. 



The situation of buds is necessarily like 

 that of the leaves, alternate, opposite, &c. 

 X v rees with opposite leaves have three buds, 

 those with alternate ones a solitary bud, at 

 the top of each branch. Du Hamel. 



Buds are various in their forms, but very 

 uniform in the same species or even genus. 

 They consist of scales closely enveloping each 

 other, and enfolding the embryo plant or 

 branch. Externally they have often an ad- 



iiqnal guard, of gum, resin or woolliness, 

 against wet and cold. The Horse Chesnut, 



