OF BUDS. 105 



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. Trees 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 additional guard, of gum, resin or woolliness, 

 against wet and cold. The Horse Chesnut, JEsciihts 

 Hippocastanum, now so common with us, though, as 

 I have learnt from Mr. Hawkins*, a native of Mount 

 Pindus in Arcadia, is a fine example of large and well- 

 formed buds, f. Q:J ; and some of the American Wal- 

 nuts are still more remarkable. 



It has been already remarked, /;. 69, that buds re- 

 sist cold only till they begin to grow : hence, accord- 

 ing to the nature and earliness of their buds, plants 

 differ in their powers of bearing a severe or variable 

 climate. 



Grew is elaborate on the forms of buds, and the 

 arrangement of the spots apparent within them when 

 cut transversely, which indicate the number and situ- 

 ation of their vessels. It was the character of this 



* See a note on this subject, which Mr. R. P. Knight has honoured 

 with a place in the second edition of his poem on Landscape. 



