. Wood and forest . ide; that is, high, as they grow in the tree. In ash they are plain,seen thru the microscope, liut are not prominent. (7) The interweaving of the different fibers and the variety oftheir forms show the structure as being very complex. In the tangential section. Fig. 20 : (8) The pattern of the grain is seen to be marked not so much byIhe denseness of the summer wood as by the presence of the ves-sels (pores). (9) The ends of tlie pith rays are also clear. In dijftise porous woods, the main features to be noticed are: InIhe transverse section, Fig. 21 : (1) The irregularity
. Wood and forest . ide; that is, high, as they grow in the tree. In ash they are plain,seen thru the microscope, liut are not prominent. (7) The interweaving of the different fibers and the variety oftheir forms show the structure as being very complex. In the tangential section. Fig. 20 : (8) The pattern of the grain is seen to be marked not so much byIhe denseness of the summer wood as by the presence of the ves-sels (pores). (9) The ends of tlie pith rays are also clear. In dijftise porous woods, the main features to be noticed are: InIhe transverse section, Fig. 21 : (1) The irregularity with which the pores are scattered, (2) The fine line of dense cells which mark the end of the vearsgro\\th, (3) The radiating pith rays, (1) The irregular arrangement and, (5) The com])lex structure. THE STUUCTURE OF WOOD. 31 In the radial section, Fig. 21: (6) The pith rays are evident. In sycamore, Xo. 53, Cliap. Ill,they are quite large. (7) The interweaving of the fibers is to be noted and also theirvarietv. (r. ^ 07 DiAMETTRa CRO55~5ECTI0ri ®^ diameters
Size: 2360px × 1059px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectforests, bookyear1912
