[3202] See B. ii. c. 46.

[3203] He probably means if applied to the bark of young trees.

[3204] The cork-tree forms no exception to the rule—if a complete ring of the bark that lies under the epidermis is removed, the death of the tree is the inevitable result. See B. xvi. c. [13].

[3205] Probably the Arbutus integrifolia. See B. xiii. c. [40].

[3206] This in reality is not the bark, but merely the epidermis, which is capable of reproduction in many trees.

[3207] See c. [16] of this Book.

[3208] This method, however, is often found efficacious in preserving the life of the oak, as well as many other trees, by excluding the action of the air and water.

[3209] It prevents them from increasing in height, but does not cause their death.

[3210] De Re Rust. B. i. c. 2.

[3211] In B. viii. c. 76, and B. xv. c. [8].