. Arboretum et fruticetum Britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world . insect inquestion is also known under itsArabian name, Chermes or Kermes;Scharlachbeeren, Ger.; Grein Schar-lakbessen, Dutch; Grana Chermes,Cremes


. Arboretum et fruticetum Britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world . insect inquestion is also known under itsArabian name, Chermes or Kermes;Scharlachbeeren, Ger.; Grein Schar-lakbessen, Dutch; Grana Chermes,Cremese, or Cocchi, Ital.; GranaKermes, or Grana de la Coscoja,Span.; and Alkermes, Persian;and, previously to the discovery ofthe New World, was employed to avery great extent in dyeing, pro-ducing a very permanent and richblood-red colour. It will be seen,from the accompanying figure {), that this parasitic insect hasall the appearance of a berry orseed, affording not the slightest mdi-cation of its insect nature; beingimmovably affixed in clusters to thebranches of the oak, upon which itsubsists, by introducing into thesubstance of the stem a long and delicate haustellum. It is only, however, atthe close of its existence that it assumes the form of a seed. Mr. MCuUoch,indeed, states that it is in the process of drying that this form is acquired; buttliis is not correct, since, although the insect is provided with legs, and, when 6 H 4. 1910 ARBORETUM AND FRUTICETUM. PART 111. young, possesses locomotive powers, yet, after impregnation, it greatly increasesm size, and the eggs are deposited beneath the body; so that, by degrees, as theeggs are excluded, the two surfaces of the body come together, and form acovering for the eggs: hence, it will be observed that it is only the femaleswhich are collected; the males, in the perfect state, being minute, active, two-winged flies, totally unlike their inert partners. This production has beenin use amongst the Eastern nations from


Size: 1500px × 1666px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1850, booksubjectplants, bookyear1854