. Lessons in botany. Botany. HOW PLANTS OBTAIN FOOD. 89 ing nutriment maybe demonstrated by making sections through both parasite and host at a point where the haustoria enter the stem. These should then be mounted for examination with the microscope. Fig. 64. Several teleutospores, showing the variations in form. 161. Carnivorous plants, or insectivorous plants.—Examples of these are the well-known Venus fly-trap (Dionaea muscipula) and the sundew (Drosera rotundifolia). These are illustrated in figures 67 and 68. The lamina of the leaf of the Venus. Fig. 65. Cells from the stem of a rusted c
. Lessons in botany. Botany. HOW PLANTS OBTAIN FOOD. 89 ing nutriment maybe demonstrated by making sections through both parasite and host at a point where the haustoria enter the stem. These should then be mounted for examination with the microscope. Fig. 64. Several teleutospores, showing the variations in form. 161. Carnivorous plants, or insectivorous plants.—Examples of these are the well-known Venus fly-trap (Dionaea muscipula) and the sundew (Drosera rotundifolia). These are illustrated in figures 67 and 68. The lamina of the leaf of the Venus. Fig. 65. Cells from the stem of a rusted carnation, showing the intercellular mycelium and haus- toria. Object magnified thirty times more than the scale. fly-trap resembles a steel trap, as shown open in figure 67. When an insect alights on the leaf and touches one of the hairs (there are three prominent hairs on the upper surface of each. 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 Atkinson, George Francis, 1854-1918. New York, H. Holt and company
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