APPENDIX 337 



Transplant board. An implement used in setting seedlings in transplant 

 rows or beds. The principle of the tool is a device which holds the trees 

 in place in a notched board so that a number may be planted at a time. 



Trap tree. A tree felled or girdled for the purpose of collecting injurious 

 insects. 



Tree analysis. See Stem analysis. 



Tree class. All trees of approximately the same size. The following 

 tree classes are distinguished: 



Seedling. A tree, grown from seed, not yet 3 feet high. 

 Shoot. A sprout, not yet 3 feet high. 

 Small sapling. A tree from 3 to 10 feet high. 

 Large sapling. A tree 10 feet or over in height and less than 4 inches 

 d. b. h. 

 Small pole. A tree from 4 to 8 inches d. b. h. 

 Large pole. A tree from 8 to 12 inches d. b. h. 

 Standard. A tree from i to 2 feet d. b. h. 

 Veteran. A tree over 2 feet d. b. h. 

 See also Development class. 



Tree compass. An instrument for measuring diameter, consisting of a 

 pair of dividers and a scale bar. 



Tree form factor. See Form factor. 



Tree scribe. See Scribe. 



Tree tape. See Diameter tape. 



Trench planting. See Forest planting. 



Trench sowing. See Direct seeding. 



Trunk. See Stem. 



Tumus. See Rotation. 



Two-storied forest. A stand in which two height or age classes of con- 

 siderable difference, usually, are developed or are intended to be main- 

 tained, as upper story or overwood and lower story or underwood. 

 The term is not applicable to forest under reproduction, in which the 

 appearance of two stories is the temporary result of an incomplete 

 process, but to those forests of which the two stories of growth are a 

 permanent feature. 

 G., Zweihiebig. F., a double Stage. 



Underbrush. All large woody plants, which grow in a forest, but do not 

 make trees. 



