. Foundations of botany. Botany; Botany. 142 FOUNDATIONS OF BOTANY like those of the horse-chestnut, but they are found to be arranged more nearly flatwise along the inner portions of the branches, that is, the portions nearer the tree. Figs. 109 and 110 show the remarkable difference in arrangement in different branches of the Deutzia, and equally interesting modifications may be found in alternate-leaved trees, such as the elm and the Fig. 109.—Opposite Leaves of Deutzia* (from tlie same shrub as Fig. 110), as arraQged on a Horizontal Brancli. 150. Leaf-Mosaics. — In very many cases
. Foundations of botany. Botany; Botany. 142 FOUNDATIONS OF BOTANY like those of the horse-chestnut, but they are found to be arranged more nearly flatwise along the inner portions of the branches, that is, the portions nearer the tree. Figs. 109 and 110 show the remarkable difference in arrangement in different branches of the Deutzia, and equally interesting modifications may be found in alternate-leaved trees, such as the elm and the Fig. 109.—Opposite Leaves of Deutzia* (from tlie same shrub as Fig. 110), as arraQged on a Horizontal Brancli. 150. Leaf-Mosaics. — In very many cases the leaves at the end of a shoot are so arranged as to form a pretty symmetrical pattern, as in the horse-chestnut (Fig. 107). When this is sufficiently regular, usually with the space between the leaves a good deal smaller than the areas of the leaves themselves, it is called a leaf-mosaic (Fig. 111). Many of the most interesting leaf-groups of this sort (as 1 Deutzia Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917; Eastwood, Alice, 1859-1953. Boston, Ginn & Co.
Size: 2126px × 1176px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1901
