. Nature and development of plants. Botany. 450 THE ROSALES the flower is strictly epigynous. In the Rose family, which is very closely connected with the preceding group, this story of change in the evolution of the flower is repeated. In the simpler forms the mass growth of the receptacle and calyx, forms a cup- like structure (perigynous flower). This cup may be rathei broad and shallow as in the strawberry, cinquefoil and black- berry (Fig. 312), but in higher types the receptacle more or less completely surrounds the pistils as in the spiraea, avens, rose, agrimony (Fig. 313). In the Appl
. Nature and development of plants. Botany. 450 THE ROSALES the flower is strictly epigynous. In the Rose family, which is very closely connected with the preceding group, this story of change in the evolution of the flower is repeated. In the simpler forms the mass growth of the receptacle and calyx, forms a cup- like structure (perigynous flower). This cup may be rathei broad and shallow as in the strawberry, cinquefoil and black- berry (Fig. 312), but in higher types the receptacle more or less completely surrounds the pistils as in the spiraea, avens, rose, agrimony (Fig. 313). In the Apple family, including the 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 Curtis, Carlton Clarence, 1864-1945. New York, H. Holt
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