The treasury of botany: a popular dictionary of the vegetable kingdom; with which is incorporated a glossary of botanical terms . ,a one-flowered peduncle shorter than the i pseudobulb. The sepals and petals areolive-coloured, marked with crimson spots,and the lip white with crimson and yellowstreaks. About the middle the lip con-tracts, and has two fleshy lobes standingerect on each side of the column, withouthowever touching it; the space betweenthese lobes, forming the base of the lip,is a deep hairy pit. [A. A. B.] HELDE. Tanacetum vulgare. HELENIUM. A genus of herbaceousperennials belongi
The treasury of botany: a popular dictionary of the vegetable kingdom; with which is incorporated a glossary of botanical terms . ,a one-flowered peduncle shorter than the i pseudobulb. The sepals and petals areolive-coloured, marked with crimson spots,and the lip white with crimson and yellowstreaks. About the middle the lip con-tracts, and has two fleshy lobes standingerect on each side of the column, withouthowever touching it; the space betweenthese lobes, forming the base of the lip,is a deep hairy pit. [A. A. B.] HELDE. Tanacetum vulgare. HELENIUM. A genus of herbaceousperennials belonging to the corymbiferoustribe of compound flowers. The charactersare:—Receptacle of the disk naked, of theray chaffy ; pappus flve-awned ; involucreone-leaved, many-parted ; florets of the raythree-cleft. The species are all natives ofAmerica, and bear yellow flowers. French,HeUnie. [C. A. J.] HELIAMPHORA. A genus of plantsdescribed by Bentham, belonging to theSarraceniacece. Perennial herbaceous plantsfound in muddy places in Guiana withradical leaves, the petiole of which is tubu-lar and in the form of a pitcher with an. Heliamphora nutans. oblique mouth; and an erect scape withnodding white or pale rose-coloured flow-ers. The perianth consists of four to fivehypogynous imbricated parts; the sta-mens are indefinite and hypogynous ; andthe ovary is three-celled, with numerousovules on an axile placenta. The pitchersare lined with hairs of a peculiar only species is H. nutans. [J. H. B.] HELIANTHEMUM. A genus of lowmostly prostrate shrubby or subshrubbyplants, closely related to Cistus, from whichthey differ in having imperfectly three-celled, instead of five or ten-celled cap-sules. They are most plentiful in thewarmer and temperate parts of Europe,and in North Africa, but occur also inEgypt, in Arabia, in the Canaries and ad-jacent isles, in North America, and evenin Brazil. They are showy plants, withsimple subevergreen leaves, and flve-petaled fugacious flowers,
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Keywords: ., bookcentury1800, bookdecade1860, bookpublisher, booksubjectbotany
