. Plant studies; an elementary botany. Botany. Fig. Zfi. A l)ranching hair from the leaf of common mullein. The whole plant has a felt-like covering composed of such liairF. comparatively thick, althougli tliey may l)c very minicrons (see Figs. 4, 173). In this way each leaf exposes a small surface to the dry- ing air anil intense sunliglit. Ill our soiitlnvestern dry regions the cactus abouiiils. ] which have reduct'd their leaves so much that they are no longer used for chlorophyll \\ork, and are not usually recognized as leaves. In their stead the gloluilar or cyliii- di-ical or flat
. Plant studies; an elementary botany. Botany. Fig. Zfi. A l)ranching hair from the leaf of common mullein. The whole plant has a felt-like covering composed of such liairF. comparatively thick, althougli tliey may l)c very minicrons (see Figs. 4, 173). In this way each leaf exposes a small surface to the dry- ing air anil intense sunliglit. Ill our soiitlnvestern dry regions the cactus abouiiils. ] which have reduct'd their leaves so much that they are no longer used for chlorophyll \\ork, and are not usually recognized as leaves. In their stead the gloluilar or cyliii- di-ical or flattened Via T ARcalefromthcloaf of f^if/^i/if,,/,,, These ^'^'"'^ =y'*-' grcell ;ind BLuhs )v rlap and form a complete c Ntnn^ do leaf WOrk (h^ 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: 1458px × 1714px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900
