. Introduction to botany. Botany. 158 Introduction to Botany. any direct bearing on pollination, and whether in the open flower the relation of calyx or corolla to the stamens and pistil has anything to do with pollination. F. If there are irregu- larities of structure try to find their significance. 126. Having become familiar with the method of working with flowers, study the plant as a whole, and make dia- grams to show the habit of plants, and the man- ner in which the flowers are borne. In showing the habit of the plant and the character of the inflo- rescence, conventional forms may be u
. Introduction to botany. Botany. 158 Introduction to Botany. any direct bearing on pollination, and whether in the open flower the relation of calyx or corolla to the stamens and pistil has anything to do with pollination. F. If there are irregu- larities of structure try to find their significance. 126. Having become familiar with the method of working with flowers, study the plant as a whole, and make dia- grams to show the habit of plants, and the man- ner in which the flowers are borne. In showing the habit of the plant and the character of the inflo- rescence, conventional forms may be used. Thus / of Fig. 82 may stand for a leaf, o for a spike s, head of the clover type t, head of the n i j t r composite type «, a compound cyme, v; floWCr bud,/for an Open either cluster to the right and left of the cen- flower and O for a fruit. tral flower would represent a simple cyme. t t • . i 1 i Usmg these symbols, the chief types of inflorescences may be represented as in diagrams r toy in Figs. 82 and 83. r represents a raceme, in which the axis of the inflorescence elongates with age, giving rise to new flowers as growth in length proceeds, each flower having its own stalk or pedicel, s represents a spike or ament, which differs from a raceme in having the flowers sessile upon the common axis, jt is a diagram. Fig. 82. Conventional diagrams to represent a leaf /, flower bud o, open flower/, fruit q, raceme >. 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 Stevens, William Chase, 1861-. Boston, D. C. Heath & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1902
