. A text-book of botany for secondary schools. Botany. 162 A TEXT-BOOK OF BOTANY It has been found that the hchen-alga can live quite independently of the hchen-fungus. In fact, the enmeshed Algae are often recognized as identical with forms living independently, the forms usually being certain blue-green. Fig. 158.—Much enlarged section of portion of lining layer, showing the asci (1, -, 3, 4) with their contained si>orcs.—.^fter Sachh. Algae and some of the simpler green Algro. On the other hand, it has been found that the lichen-fungus is com- pletely dependent upon the Algse; for the ge
. A text-book of botany for secondary schools. Botany. 162 A TEXT-BOOK OF BOTANY It has been found that the hchen-alga can live quite independently of the hchen-fungus. In fact, the enmeshed Algae are often recognized as identical with forms living independently, the forms usually being certain blue-green. Fig. 158.—Much enlarged section of portion of lining layer, showing the asci (1, -, 3, 4) with their contained si>orcs.—.^fter Sachh. Algae and some of the simpler green Algro. On the other hand, it has been found that the lichen-fungus is com- pletely dependent upon the Algse; for the germinating spores of the fungus do not develop far unless the young. 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
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1906
