. Elementary biology; an introduction to the science of life . Fig. 5. Various kinds of plant cells /, epidermal, or skin, cells of a leaf, showing the outer wall greatly thickened, and the cuticle; s, co- lumnar cells, like those of the palisade layer of a leaf pulp; 3, moving ciliated cells, like those of typhoid bacilli; 4, swimming spores of a water mold ; J, budding cells, like those of the yeast plant; 6, guard cells inclosing a breathing hole, or stomate^ on the surface of a leaf; 7, a pollen tube growing out of a pollen grain that seems to be denser than the rest. This is called the ke


. Elementary biology; an introduction to the science of life . Fig. 5. Various kinds of plant cells /, epidermal, or skin, cells of a leaf, showing the outer wall greatly thickened, and the cuticle; s, co- lumnar cells, like those of the palisade layer of a leaf pulp; 3, moving ciliated cells, like those of typhoid bacilli; 4, swimming spores of a water mold ; J, budding cells, like those of the yeast plant; 6, guard cells inclosing a breathing hole, or stomate^ on the surface of a leaf; 7, a pollen tube growing out of a pollen grain that seems to be denser than the rest. This is called the kernel, or micleiis. Because of the transparency of the protoplasm it


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Keywords: ., bookcentury1900, bookdecade1920, bookpublishe, booksubjectbiology