. Flowers, fruits and leaves. Botany; Flowers; Seeds; Leaves. Fig. 19.—Wild Chervil iS^kcBrophyllum. sylvestre). CHAPTER II. At first sight, it may seem an objection to the view suggested in the preceding chapter, that some flowers—as, for instance, those of the common Antir- rhinum (Snapdragon)—which, according to the above- given tests, ought to be fertihsed by insects, are entirely closed. A little consideration, however, will suggest the reply. The Antirrhinum is adapted for fertilisation by humble bees. The stamens and pistil are so ar- ranged that smaller species would not effect the obj
. Flowers, fruits and leaves. Botany; Flowers; Seeds; Leaves. Fig. 19.—Wild Chervil iS^kcBrophyllum. sylvestre). CHAPTER II. At first sight, it may seem an objection to the view suggested in the preceding chapter, that some flowers—as, for instance, those of the common Antir- rhinum (Snapdragon)—which, according to the above- given tests, ought to be fertihsed by insects, are entirely closed. A little consideration, however, will suggest the reply. The Antirrhinum is adapted for fertilisation by humble bees. The stamens and pistil are so ar- ranged that smaller species would not effect the object. It is therefore an advantage that they should be ex- cluded, and in fact they are not strong enough to move the spring. The humble bees, however, have no diffi- culty in pushing down the lower lip and thus effecting an entrance. The Antirrhinum is, so to say, a closed box, of which the humble bees alone possess the key. The common Heath {Erica teiralix) offers us a very ingenious arrangement. The flower is in the form of. 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 Lubbock, John, Sir, 1834-1913. London : Macmillan
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