Fig. 29.
Redwood Burl (full size).
Fig. 30.
Bird's-eye Maple (full size.)
Fig. 31. Burl on White Oak.
The term "grain" may also mean the "figure" formed by the presence of pith rays, as in oak, Fig. 32, or beech, or the word "grain" may refer simply to the uneven deposit of coloring matter as is common in sweet gum, Fig. 33, black ash, or Circassian walnut.
