. Plant studies; an elementary botany. Botany. Fig. 36. A branching hair from the leaf of common mullein, showing the outline but not the many cells. comparatively thick, although they may be very numerous (see Figs, i, 172). In this way each leaf exposes a small ,..:. surface to the dry- ing air and intense sunlight. In our southwestern dry regions the cactus a b o un d s, plants which have reduced their leaves so much that they are no longer used for chlorophyll work, and are not usually recognized as leaves. In their stead the '"'â â > ''.-â â :'''fi\- globular or cyhn- â 'â â 'â -
. Plant studies; an elementary botany. Botany. Fig. 36. A branching hair from the leaf of common mullein, showing the outline but not the many cells. comparatively thick, although they may be very numerous (see Figs, i, 172). In this way each leaf exposes a small ,..:. surface to the dry- ing air and intense sunlight. In our southwestern dry regions the cactus a b o un d s, plants which have reduced their leaves so much that they are no longer used for chlorophyll work, and are not usually recognized as leaves. In their stead the '"'â â > ''.-â â :'''fi\- globular or cyhn- â 'â â 'â - ^'''I'iV'-}-' drical or flattened Fig. 37. A scale from the leaf of Shepherdia. These senlsale green and scales overlap and form a complete covering. do leal Work ( 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 Coulter, John Merle, 1851-1928. New York, D. Appleton and Company
Size: 1614px × 1548px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorcou, bookcentury1900, bookdecade1900, booksubjectbotany