. A text-book of botany for secondary schools. Botany. STEMS 49. Lie 4'J-—ojilir e in 1 I ] I t ( r ment which results in spiral coils, since the tendril is fastened at both ends (Fig. 48). This curving and twist- ing of the tendril between its fastened extremities naturally results in two spiral coils run- ning in opposite directions. In this way the stem is fastened to its support by numerous spiral springs. All of these movements and their results may be observed by cultiva- ting a plant such as the star- cucumber, which grows rapidly and has conspicuous and very sensitive tendrils. In th

. A text-book of botany for secondary schools. Botany. STEMS 49. Lie 4'J-—ojilir_e in 1 I ] I t ( r ment which results in spiral coils, since the tendril is fastened at both ends (Fig. 48). This curving and twist- ing of the tendril between its fastened extremities naturally results in two spiral coils run- ning in opposite directions. In this way the stem is fastened to its support by numerous spiral springs. All of these movements and their results may be observed by cultiva- ting a plant such as the star- cucumber, which grows rapidly and has conspicuous and very sensitive tendrils. In th Stock Photo
Preview

Image details

Contributor:

Central Historic Books / Alamy Stock Photo

Image ID:

PFYF72

File size:

7.1 MB (588.1 KB Compressed download)

Releases:

Model - no | Property - noDo I need a release?

Dimensions:

1836 x 1360 px | 31.1 x 23 cm | 12.2 x 9.1 inches | 150dpi

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

. A text-book of botany for secondary schools. Botany. STEMS 49. Lie 4'J-—ojilir_e in 1 I ] I t ( r ment which results in spiral coils, since the tendril is fastened at both ends (Fig. 48). This curving and twist- ing of the tendril between its fastened extremities naturally results in two spiral coils run- ning in opposite directions. In this way the stem is fastened to its support by numerous spiral springs. All of these movements and their results may be observed by cultiva- ting a plant such as the star- cucumber, which grows rapidly and has conspicuous and very sensitive tendrils. In the case of the ordinary climbing wood- .. bine and certain species of ivv, „ „ „, , , . , . , ^ "" I'IG. 50.—Woodbine clinging to a wall Wllich cling to walls or tree by means of tendril suckers.. 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 work.. Coulter, John Merle, 1851-1928. New York, D. Appleton