. Botany; principles and problems. Botany. 328 BOTANY: PRINCIPLES AND PROBLEMS. Fig. 199.—The structure of a fern (Aspidium). A, the. plant as a whole. B, portion of leaf with seven fruiting dots or sori on its lower surface. Each is covered by an indusium (a), from under which the sporangia (6) are protruding, in one case. C, a single sporangium. D, transverse section through a sorus, showing section of leaf-blade above and of indusium below, with cluster of sporangia attached between them. {From Strasburger, after Wossidlo).. Please note that these images are extracted from scanned page imag
. Botany; principles and problems. Botany. 328 BOTANY: PRINCIPLES AND PROBLEMS. Fig. 199.—The structure of a fern (Aspidium). A, the. plant as a whole. B, portion of leaf with seven fruiting dots or sori on its lower surface. Each is covered by an indusium (a), from under which the sporangia (6) are protruding, in one case. C, a single sporangium. D, transverse section through a sorus, showing section of leaf-blade above and of indusium below, with cluster of sporangia attached between them. {From Strasburger, after Wossidlo).. 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 Sinnott, Edmund Ware, 1888-. New York, McGraw-Hill
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1923
