18 



BUD OF PINE 



[CH. 



Ash, Rose, &c. show the same general features, with dif- 

 ferences in detail such as are illustrated in Figs. 5 and 6. 

 The bud of a Pine affords another example somewhat 



Fig. 10. 



Fig. 11. 



Fig. 10. Diagrammatic longitudinal section of a bud of a Pine. In the 

 axil of all but the lowermost scales (reduced leaves) are buds which 

 develop into dwarf-shoots (bifoliar spurs), each consisting of a few scale- 

 leaves enveloping the base of two green needles. It is thus a bud of buds. 



Fig. 11. Bud of Pine elongating, showing the spiral arrangement of 

 the scales B and L (reduced leaves) each of which, except the lowermost, 

 bears in its axil a bud of a dwarf -shoot ; N foliage leaves of dwarf- shoot ; 

 S small bud-scales of same ; L leaf-scale in the axil of which it stands. 



more complex in structure than any yet described (Figs. 

 9, 10 and 11). 



In the first place it has far more numerous scales 



