. Botany of the living plant. Botany. THE FRUIT AND SEED-DISPERSAL 293 Buttercups, or in the Hounds-Tongue [Cynoglossum) [C) they are on the superior achene : in the Water Avens [Geiun rivale) (D) a single hook is formed half way up the style of each carpel. Such instances taken from different families, and involving quite different parts, show that these effective develop- ments have originated repeatedly, and indepen- dently of one another. A second and more prevalent means of dispersal is internally, as ingested food. It is secured by development of succulent tissues in close relation to th
. Botany of the living plant. Botany. THE FRUIT AND SEED-DISPERSAL 293 Buttercups, or in the Hounds-Tongue [Cynoglossum) [C) they are on the superior achene : in the Water Avens [Geiun rivale) (D) a single hook is formed half way up the style of each carpel. Such instances taken from different families, and involving quite different parts, show that these effective develop- ments have originated repeatedly, and indepen- dently of one another. A second and more prevalent means of dispersal is internally, as ingested food. It is secured by development of succulent tissues in close relation to the seeds. Here it is found that most various parts are involved, even in nearly related plants. Pidpy fruits occur in almost every family ; even among the Grasses, which have characteristic dry grains, certain Bamboos bear a succulent fruit. The pulpy tissue often nivolves the whole carpellary wall, and the seeds are embedded in it: this is the case in the berries of the Grape, or Currant, the one being a superior the other an inferior ovary (Fig. 239). Or it may be only the outer part of the wall that is pulpy, while the inner is stony, as in the drupe of Cherries or Plums (Fig. 240), Sometimes parts other than the pistil itself may be involved, for instance the receptacle may be convex, and succulent, and bear the dry achenes (which are the true fruits in the restricted sense; upon its surface, as in. Fig. 239. of the Cuit^ (.After Figuier.). 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 Bower, F. O. (Frederick Orpen), 1855-1948. London, Macmillan and co. , limited
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1919
