. Fig. 18. Ear covered for ten days with a paper sack preventing fertilization. The silk remained fresh and continued to grow. It has been known to reach a length of two feet while awaiting the pollen 1 A " cell " is the structural unit of the plant or animal. As a building is made of bricks, so the plant or animal body is made up of cells or sacks filled with a semifluid matter known as protoplasm, which is a kind of general name for the material of different parts of the body; that is to say, the protoplasm of muscle, whose business it is to contract, is quite different from the pr
. Fig. 18. Ear covered for ten days with a paper sack preventing fertilization. The silk remained fresh and continued to grow. It has been known to reach a length of two feet while awaiting the pollen 1 A " cell " is the structural unit of the plant or animal. As a building is made of bricks, so the plant or animal body is made up of cells or sacks filled with a semifluid matter known as protoplasm, which is a kind of general name for the material of different parts of the body; that is to say, the protoplasm of muscle, whose business it is to contract, is quite different from the proto- plasm of liver, whose business it is to manufacture a definite secretion. The cells of different parts of the body structure contain, therefore, very different
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1910
