. Plant studies; an elementary botany. Botany. 168 PLANT STUDIES A few sensitive (3) Dioncea.—This is one of the most famous and re- markable of fly-catching plants (see Fig. 157). It is found in sandy swamps near Wilmington, North Carolina. The leaf blade is constructed like a steel trap, the two halves snapping together, and the marginal bristles interlocking like the teeth of a trap (see Fig. 158) hairs, like feelers, are developed on the leaf surface, and when one of these is touched by a small flying or hover- ing insect, the trap snaps shut and the in- sect is caught. Only after digestio
. Plant studies; an elementary botany. Botany. 168 PLANT STUDIES A few sensitive (3) Dioncea.—This is one of the most famous and re- markable of fly-catching plants (see Fig. 157). It is found in sandy swamps near Wilmington, North Carolina. The leaf blade is constructed like a steel trap, the two halves snapping together, and the marginal bristles interlocking like the teeth of a trap (see Fig. 158) hairs, like feelers, are developed on the leaf surface, and when one of these is touched by a small flying or hover- ing insect, the trap snaps shut and the in- sect is caught. Only after digestion does the trap open again. There are certain green plants, not called carnivorous plants, which show the same general habit of sup- plementing their food supply, and so reduc- ing the necessity of food manufacture. The mistletoe is a green plant, growing upon certain trees, from which it obtains some food, supplementing is able to ; Fig. 158. Three leaves of Dioncea, showing the details of the trap in the leaves to right and left, and the central trap in the act of capturing an insect. that which it. 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 Coulter, John Merle, 1851-1928. New York, D. Appleton and Company
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