. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom. Gardening -- Dictionaries; Plants -- North America encyclopedias. 720 HELIANTHEMUM short-stalked: fls. large (2 in. across), yellow, with black eye, on slender, hairy pedicels. Portugal. 2G4. Gn. 2G:466; 53, p. 131. 34 the most showy of the genus. Excellent fo
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom. Gardening -- Dictionaries; Plants -- North America encyclopedias. 720 HELIANTHEMUM short-stalked: fls. large (2 in. across), yellow, with black eye, on slender, hairy pedicels. Portugal. 2G4. Gn. 2G:466; 53, p. 131. 34 the most showy of the genus. Excellent for rockwork. The branches are erect, reaching 3-4 ft. Not hardy North. umbeliatum, Mill. Diffuse, 1-2 ft. tall: Ivs. small, linear or linear-lanceolate, revolute on margins, more or less viscid: tls. umbellate or whorled, white. Eu. L. H. B. HELIANTHUS (Greek, helios, the sun, and aidkos, aflower). Comi> Sunflower. This genus includes the common annual SuuHower, and about 15 hardy her- baceous perennial plants, rather coarse in habit, with yellow which are mostly large, numerous and borne in autumn. Altogether there are about 80 species, mostly N. American. Lvs. generally opposite below and alternate above, but this is not a constant character: heads pedunculate, solitary or corymbose, terminating the stem or branches : disk-fls. perfect, yellow, brown or purplish, with a tubular 5-limbed corolla; rays neu- tral, yellow. The geuus is very variable, and there are also many natural hybrids ; hence the species are diffi- cult to delimit. The old notion that the flower-beads follow the sun from east to west has recently been sub- stantiated ior fl. aHniius. (See Botanical Gazette, vol. 29:197.) Garden monographs are found in Gn. 27, p. G6; 45, p. 372; 49, p. 326 and 55, p. 146. Sunflowers are of the easiest culture, and are adapted to a variety of soils. They are seen to best advantage when planted in masses, rat herthan as solitary specimens, and should be given p
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