CHAPTER IV. 



POSITION AND ARRANGEMENT OF BUDS. 



Axillary buds and terminal bud Opposite buds Whorls and 

 pseudo-whorls Alternate buds, distichous or spiral Displaced 

 buds Accessory buds, superposed or collateral Aggregation 

 of buds Submerged buds. 



THEORETICALLY every shoot terminates in a bud, and 

 every leaf-axil on the shoot is capable of producing a bud, 

 but the rule is that buds are not developed in the axils of 

 the bud-scales, and in many cases there are none in 

 several of the lower axils of the shoot, e.g. Beech, while 

 in many Conifers buds capable of growing out to long 

 shoots are only formed in very few of the numerous axils, 

 e.g. Abies, Picea, &c. ; nevertheless the general occurrence 

 of buds in the majority of leaf- axils renders it easy to 

 classify them into groups, as regards position. Thus the 

 buds are opposite, as are also the leaves or leaf-scars 

 subtending them, in the following: 



Clematis Horse-chestnut 



Maples Sycamore 



Mistletoe Dogwood 



Aucuba Elder 



Guelder Rose Wayfaring Tree 



Lilac Privet 



Ash Honeysuckles 



Spindle Tree Symphoricarpos. 



