. The first book of botany : designed to cultivate the observing powers of children. thequestions Perianth ? and Stamens ? First write thename of its parts underneath, and then find out, ifYOU can, the number of carpels that compose theovary. It is sometimes quite difficult to do this, butit is well always to make the effort. When the car-pels cannot be distinguished, you determine theirnumber by counting the styles, and, if these aregrown smoothly together, then count the lobes of thestigma. It is very seldom that this part of the pistilis so coherent that the lines of union are
. The first book of botany : designed to cultivate the observing powers of children. thequestions Perianth ? and Stamens ? First write thename of its parts underneath, and then find out, ifYOU can, the number of carpels that compose theovary. It is sometimes quite difficult to do this, butit is well always to make the effort. When the car-pels cannot be distinguished, you determine theirnumber by counting the styles, and, if these aregrown smoothly together, then count the lobes of thestigma. It is very seldom that this part of the pistilis so coherent that the lines of union are can often, in this way, find out the number ofcarpels in a pistil, when every other means fails. Indescribing the various forms of style no new termsare needed. EXERCISE of the JPetals. Fia. 199. Claw. •Lamina. -Claw. Laj^i^ika.—The upper, and usually the broadestand thinnest, part of a petal. Claw.—The lower part of a petal, which attachesit to the receptacle. 108 THE FIRST BOOK OF BOTANY. EXERCISE of Regular Polypetalous Corollas. Fig. 200. Fm.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1870
