. Plants; a text-book of botany. Botany. 98 PLANT EELATIONS. Plants which ordinarily develop soil roots, if brought into proper water relations, may develop water roots. For instance, willows or other stream bank plants may be so close to the water that some of the root system enters it. In such cases the numerous clustered roots show their water. Fig. 93. An orchid, showing aerial roots. character. Sometimes root systems developing in the soil may eiitei' tile drains, when water roots will drvcloji in such clusters as to choke the drain. The same bunching of water roots may l>e noticed whe


. Plants; a text-book of botany. Botany. 98 PLANT EELATIONS. Plants which ordinarily develop soil roots, if brought into proper water relations, may develop water roots. For instance, willows or other stream bank plants may be so close to the water that some of the root system enters it. In such cases the numerous clustered roots show their water. Fig. 93. An orchid, showing aerial roots. character. Sometimes root systems developing in the soil may eiitei' tile drains, when water roots will drvcloji in such clusters as to choke the drain. The same bunching of water roots may l>e noticed when a hyacinth bulb is grown in a vessel of water. (id. Air roots.—In certain parts of the tropics the air is so moist that it is possible for some plants to obtain suffi-. 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


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