. Flowers of the field. Botany. 234 COROLLIFLOR^ I. PiNGUicuLA (Butterwort) I. P. vulgaris (Common Butterwort).—S/)«f tapering ; segments of the corolla very unequal, entire. A singular and very beautiful plant. The leaves, which spring all from the roots, have the edges rolled in ; they are of a peculiar yellowish-green hue, and have a \r. frosted appearance. The flowers are large, purple, (w very handsome, and grow in a nodding manner, each ' on the summit of a delicate stem, 3-4 inches high, which springs directly from the root. The root is fibrous, and has a very loose hold on the soft gro
. Flowers of the field. Botany. 234 COROLLIFLOR^ I. PiNGUicuLA (Butterwort) I. P. vulgaris (Common Butterwort).—S/)«f tapering ; segments of the corolla very unequal, entire. A singular and very beautiful plant. The leaves, which spring all from the roots, have the edges rolled in ; they are of a peculiar yellowish-green hue, and have a \r. frosted appearance. The flowers are large, purple, (w very handsome, and grow in a nodding manner, each ' on the summit of a delicate stem, 3-4 inches high, which springs directly from the root. The root is fibrous, and has a very loose hold on the soft ground in which it grows. Bogs and heaths, principally in the north.—Fl. June. Perennial. A variety known as P. grandiflora has larger flowers, and is distinguished by having the middle segment and spitr of the corolla notched. It is found in the counties of Cork and Kerry in Ireland. 2. P. Ltisiianica (Pale Butterwort).—Spur cylin- drical, obtuse, curved downwards ; segments of the corolla nearly equal; leaves and flower-stalks covered with short hairs. Of the same habit as P. vulgaris, but much smaller. The leaves arc greenish-white and PiNuuicuLA veined; the flowers of a pale lilac, with a yellow throat. LusiTANicA Bogs in the western parts of England, in the west of (Pale Scotland, and in Ireland.—Fl. July to September. Butterwort) Perennial. 3. {AlpmeButterwort).—Smaller than the last ; the flower-stalks are smooth, and the flowers small and yellowish. Very rare, and found only in bogs in Ross-shire and Skye.—Fl. May, June. Perennial. 2. Utricularia (Bladderwort) I. U. vulgaris (Common Bladderwort).— Submersed. Leaves divided into numerous hair-like segments, and bearing small air- bladders ; lips of the corolla about equal in length ; spur conical. Before flowering, the stem and leaves float in the water by help of the minute bladders, which are then filled with air ; the flowers, which grow in clusters of 6-8 together, are large and bright yellow, and
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