. Plant studies; an elementary botany. Botany. 68 PLANT STUDIES 48. Relation to light.—As stems bearing foliage leaves hold a siteei.'d relation to light, it is necessary to speak of the influence of light npon the direction of growth, an. Fiu. 59. All fliii in SiAnv^v, Bliowiiif,' the brcakiiiL- up ni ii,, umik the spreading' top. influence known as heliofrapism, already referred to under f(.lia,ge leaves. In the case of an erert stem the tendency is to grow towards the source of light (see Figs. 1, (U).. Please note that these images are extracted from scanned page images that may have been


. Plant studies; an elementary botany. Botany. 68 PLANT STUDIES 48. Relation to light.—As stems bearing foliage leaves hold a siteei.'d relation to light, it is necessary to speak of the influence of light npon the direction of growth, an. Fiu. 59. All fliii in SiAnv^v, Bliowiiif,' the brcakiiiL- up ni ii,, umik the spreading' top. influence known as heliofrapism, already referred to under f(.lia,ge leaves. In the case of an erert stem the tendency is to grow towards the source of light (see Figs. 1, (U).. 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: 1483px × 1685px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900