. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. first foliage leaves may often be traced, as in the Lilac, Hickory, etc. When spines occupy the place of leaves, they are modified forms of the latter. In the Barberry all gra- dations may be seen on a single shoot (Fig. 23). The leaf, or a portion of it, may become changed into a tendril for climbing, as in the Pea, Vetch, etc. (Fig. 24). 28. Very interesting modifications of leaves are furnished by the Pitche
. The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms. Botany. first foliage leaves may often be traced, as in the Lilac, Hickory, etc. When spines occupy the place of leaves, they are modified forms of the latter. In the Barberry all gra- dations may be seen on a single shoot (Fig. 23). The leaf, or a portion of it, may become changed into a tendril for climbing, as in the Pea, Vetch, etc. (Fig. 24). 28. Very interesting modifications of leaves are furnished by the Pitcher-plant (Sarra- cenia), Sundew (Dro- sera), and the Venus's Fly-trap {JDionfea). The leaves of Sarracenia are hollow cups or tubes (Fig. 25), covered within with hairs directed downwards. They are generally half-full of a liquid, into which insects may fall, and become macerated, and their juices are then absorbed by the plant. The ^ Droseraisalsocar- ^^. _ v^"'11'/','7 nivorous, feeding on small insects which alight on and are held fast by viscid ten- tacles or hairs on the upper side of the leaf. The leaves of Dioncea (Fig. 25a) have at the top two or three lobes furnished with a marginal. Fig. 24. Tendril of the Pea-leaf. Fig. 25. Leaf, having the form of a pitcher, of Sarracenia, or the Side-saddle Flower. Fig. 25a. Leaves of Venus's 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 Kellerman, William Ashbrook, 1850-1908. Philadelphia, J. E. Potter and Company
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1883
