. Flowers of the field. Botany. 260 MONOCHLAMYDE^ 3. Buxus (Box) I. B. sempervirens (Common Box-tree).—A small, well-known tree, growing in great abun- dance, and apparently wild, on Box-hill in Surrey, where it ripens its seeds. In a natural state it attains a height of 8 or 10 feet; in gardens it is often clipped into various shapes, and a dwarf variety is commonly used^ as an edging to beds.— Fl. April. Small tree. Natural Order —Water Star-wort Tribe Flowers in different parts of the same plant, axillary, solitary, very minute, imperfect, with two white brads at the
. Flowers of the field. Botany. 260 MONOCHLAMYDE^ 3. Buxus (Box) I. B. sempervirens (Common Box-tree).—A small, well-known tree, growing in great abun- dance, and apparently wild, on Box-hill in Surrey, where it ripens its seeds. In a natural state it attains a height of 8 or 10 feet; in gardens it is often clipped into various shapes, and a dwarf variety is commonly used^ as an edging to beds.— Fl. April. Small tree. Natural Order —Water Star-wort Tribe Flowers in different parts of the same plant, axillary, solitary, very minute, imperfect, with two white brads at the base ; calyx and corolla absent ; barren flower, with one stamen, or very rarely two ; filament thread-like, bearing a i-celled anther, which opens at the summit by two trans- verse valves ; fertile flower, ovary 4-angled, 4-celled ; s/)V«s 2, awl-shaped ; s^i'gwa simple ; /r«iY 4-celled, 4-lobed, 4-seeded, flattened laterally, not opening. Small aquatic, herbaceous plants, with long, weak, tangled stems, which are usually submerged, opposite simple entire leaves, of which the upper alone float on the surface of the water, and long, thread-like silvery roots, which proceed from the joints of the stem, and are either attached to the soil below or are suspended in the water. I. Callitriche (Water Star-wort).—Characters given Buxus Sempervirens (Common Box-tree) I. Callitriche (Water Star-wort) I. C. verna (Vernal Water Star- ^ wort).—Leaves in pairs, united at the ^s=g base ; flowers in the axils of the leaves ; -^^ carpels bluntly keeled at the back. An aquatic plant, with long slender stems, which send out shining roots from the joints; either growing in running water, when the leaves are usually very narrow, or in slagnanl wafer, when the upper leaves are broader, and float on the surface, crowded into a starry form, the stamens being the only parts of the plant actually raised above it. Streams and stagnant water ; everywhere.—Fl. May to July. P
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1908
