36 



WOOD AND rORESX. 



Ivregularity of grain is often caused 1)y tlie presence of adventi- 

 tious and doiniant buds, wliicli may be plainly seen as little knobs 

 on the surface of some trees under the baric. Iir most trees, these 

 irregularities are soon buried and smoothed over by the successive an- 

 nual layers of wood, but in some woods there is a tendency to pre- 

 serve the irreo-ularities. On slash (tangent) boards of such wood. 



Fig-. 2'). Kedwood Burl (full size) 



Fig. 3U. riiid'.s-rve Mapl 



a great number of little circlets a]ipear, gi\-ing a beauiiful grain, as 

 in "Bird's-eye maple," Fig. :^0. These markings are fmmd to pre- 

 dominate in the inner part of the ti-ee. This is not at all a distinct 

 vai'iety of maple, as is sometimes sup])(ise(l, but the common varietv, 

 in which the jihcnomenon frequently appears. Logs of great value, 

 having bird's-eyes, have often unsusi)ectingly lieen chopped u]i for 

 fire wood 



