314 APPENDIX 



Jorm factor, if the measurement is made at a varying height which 



bears a constant ratio to the total height of the tree. 

 G., Formzahl. F., coefficient de forme. 

 Form height. 1. The product of height and form factor, tabulated for 



convenience of calculating cubic contents of trees or stands. 

 G., Formhohe, Richthohe. 

 Form quotient. The quotient of the breasthigh diameter of a tree into 



the diameter measured at any height above the d. b. h., usually at 



i, ^, or f of the height of the tree. 

 Freeing (setting free). See Intermediate (disengagement and liberation) 



cutting. 

 Fully stocked. The condition of a stand containing as many trees or 



material as it normally can for the species, site, and age. See Stock, 



Overstocked. 

 Full-boled. As appHed to the trunk of a tree, approaching the cylindrical 



form. See Form class. 



G., vollholzig. F., a fut soutenu. 

 Gradation of age classes. See Age class. 

 Grading. In description mensuration, and utilization the process of 



differentiating the crop into assortments {q. v.) or classes of material. 

 Ground cover. A term used in forest description to designate all herba- 

 ceous plants growing in a forest; such as ferns, mosses, grasses, and 



weeds. 



G., Bodendecke. F., couverture du sol. 

 Group method. See Reproduction method. 

 Growing stock. See Stock. 

 Growth. See Increment. 



Growth table. A tabular statement showing the growth data of individ- 

 ual trees or stands. See Increment. 

 Habit. The general form or arrangement of stem, roots, and branches, 



or of the entire tree, possessed in common by a species in a given 



habitat. 

 Heel in, v. To store young trees prior to planting by placing them against 



the side of a trench and covering the roots with earth. 

 Height class. One of the arbitrary divisions of the trees of a stand on the 



basis of height. The division is usually by intervals of lo feet. 

 G., Hohenklasse. F., classe de hauteur. 

 Height measure. See Hypsometer. 



