108 



LETTERS ON TREES, 



comes out all the stronger. It is the whole shoot, 

 with its " adherent " bud. that is the counterpart of 

 the entire seed. It is the whole tuber, and not the 

 eyes " only, that is the co-relative of the plum of the 

 potato-plant. - 



7. Consider next what Mr Appleby — speaking of 

 " The Hollyliock and its propagation by cuttings " * — 

 says of the bud (Letter VIII.) — 



''Each joint had a dormant bud, which, when isolated and 

 placed in shallow pots, in a gentle stimulative, started into 

 growth, and soon shewed a shoot projecting above the soil : 

 This in time, as the leaves unfolded, pushed forth roots and 

 formed a plant. This shews that wherever a bud is, it contains 

 within itself the germ of an entire plants which, when correctly 

 managed, can be formed into a plant equal in vigour^ and in 

 every way as perfect an individual^ as the plant from which it 

 was cut or taken." 



In writing thus, nothing seems farther from Mr 

 Appleby's mind than any theory or argument as to 

 the nature of the bud. And yet his language respect- 

 ing it is strikingly in accordance with that of M. Du 

 Petit-Thouars, and with the views which have been 

 laid before you in these Letters. 



8. I now request your attention to what Dr Ware 

 says on the subject (Letter IV.) : — 



" The principal seat of the growth and nutrition of plants is 

 in the bark and alburnum, and all the new matter yearly added 

 is deposited on the outside of the latter and the inside of the 



* The Cottage Gardener, vol. viii. p. 339. 



