. Fig. 2.—An example of good pruning. The wound was at once protected by a coating of gas-tar, and is nearly covered by a development of callus. The figure represents portion of a poplar growing in Kew Gardens. Much re- duced. clearly indicates. The plant anticipates the fall of certain branches some time in advance, by forming a layer of peri- derm across the branch at the point where the portion no longer required is to be cut off, so that when the twig actually

---

Size: 2379px × 2101px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910