1744

ARBORETUM AND FRUTICETUM.

PART HI.

•a.

mm

ISM;

te\iv4'isi

mmm

mm

mm

Xt&zistMh

mm

mm

£>. sessilijiiira at Studley Park.

Height 118 ft. $ girt of trunk 33| ft.; diameter of the head 96 ft.

different, though it is generally alleged that plants of Q. sessiliflora gro*faster, and they certainly have a more robust appearance, than those of U.pedunculata, when of six or eight years’ growth; for which reason Mr. Breeconsiders it the best species for copse wood. (See Gard, Mag., vol. xl *.p. 572.) Willdenow observes, also, that Q. pedunculata is the tendererof the two when young, which may result from its coming earlier into leat.The growth of both species, in about 10 years from the acorn, in good sou, inthe climate of London , may be stated as from 15 ft. to 18 ft., or even m 1extra preparation were given to the soil. Both will attain the height of 50 it.in 30 years, which may be considered the average height of the species inordinary soils in England; but, in deep loamy soils, both attain the height o100 ft. and upwards. The stem of the oak, Marshall observes, is natuia yshort; and, if left to itself, the tree, in an open situation, will generally ' t ?

to the ground. It has not the upright growth of the ash, the elm, andpine tribe : nevertheless, by judicious training, or by planting in close masses,the oak will acquire a great length of stem ; in this case, however, it i ar ^Jswells to any considerable girt. There are many hundreds of oak trees,are informed, in the government plantations in the Forest of Dean , w