The anatomy of bark. I. The genus Eucalyptus

Abstract

The most characteristic microscopic features of the bark of over 150 species of Eucalyptus are described.The structure of the phloem and cortex of the eucalypt twig, the changes that occur with increasing diameter, and the differences between the deciduous and persistent barks are described and illustrated.The detailed structure of the fully developed bark and the development of features characteristic of some of the most distinctive bark types have been studied, especially in the following groups: Corymbosae and Corymbosaepeltatae, Trarwersae, Exsertae and Sub-exsertae, Globuhes, Viminules, Pachyphloiae, Frasinales, Longitudinales, Piperitales, Psathyroxyla, Buxeales, Siderophtoiae.