. Notes on the life history of British flowering plants. Botany; Plant ecology. POLYGALACE^ 95 stamens are attached in two bundles (Fig. 56, a), and wliicli contains a number of white hairs pointing- down- wards, while near the upper end are two groups of finger-like lobes. The pistil (Fig. 56, st) occupies the axis of the flower, and ends in a spoon-shaped hollow. The short stamens lie just over this hollow, and shed their pollen into it, after which they withdraw a little to the side. Close behind the hollow is a projection which terminates in a very viscid disk. When the pro- boscis of an i
. Notes on the life history of British flowering plants. Botany; Plant ecology. POLYGALACE^ 95 stamens are attached in two bundles (Fig. 56, a), and wliicli contains a number of white hairs pointing- down- wards, while near the upper end are two groups of finger-like lobes. The pistil (Fig. 56, st) occupies the axis of the flower, and ends in a spoon-shaped hollow. The short stamens lie just over this hollow, and shed their pollen into it, after which they withdraw a little to the side. Close behind the hollow is a projection which terminates in a very viscid disk. When the pro- boscis of an insect is forced down the tube in search of honey, it comes in contact with this viscid disk, and being fiq. sg. _ sectiou of thus rendered adhesive, when it is ^'oiygaia vulgaris. , -, . n ,1 11 o,antners; cOjpetals; withdrawn carries some oi the pollen 5,sepais;s<, stigma. with it, and thus conveys it to the next flower, where it is stripped ofi" the retreating proboscis by the edge of the viscid disk, and is thus accumulated in the stig- matic hollow. P. vulgaris is sometimes blue and sometimes pink or white or striped; why is this ? It is, moreover, a vari- Â¥ia. 57.âFobjgalamdgans. Flower able SpecicS in Othcr respectS,. opened out. Enlarged, a, Bcutna, e ^ ⢠j^ ⢠â i CO, corolla, the median petal ends aS, tor mstaUCC, IXX the SlZe and in a hood (m) bearing a pair of proportions of the different fingered processes. f â â - rrn p j i leaves, ihe use oi the curious finger-formed processes has not, I think, been satis- factorily explained. VIOLACE^ Nearly world-wide. The northern species are gener- ally herbaceous ; those of tropical regions often shrubs. 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, New York, Macmillan and Co. , Ltd.
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Keywords: ., bookauthorlub, bookcentury1900, bookdecade1900, booksubjectbotany
