. Florists' review [microform]. Floriculture. 34 The Florists^ Review January 12. 1922. SOCIETY OF AMERICAN FLORISTS. CLASSIFICATION OF DAHLIAS. As a result of the conference on the classification of dahlias, held at Wisley Gardens, London, England, last August, the following sections of the flower have been defined, based mainly on the form of the flowers and the heights of the plants. Class I. Single-flowered.—Single dahl- ias have a single, regular, outer ring of flatly expanded rays, which overlap more or less at their edges; the center forms a golden disk. For show purposes single dahlias
. Florists' review [microform]. Floriculture. 34 The Florists^ Review January 12. 1922. SOCIETY OF AMERICAN FLORISTS. CLASSIFICATION OF DAHLIAS. As a result of the conference on the classification of dahlias, held at Wisley Gardens, London, England, last August, the following sections of the flower have been defined, based mainly on the form of the flowers and the heights of the plants. Class I. Single-flowered.—Single dahl- ias have a single, regular, outer ring of flatly expanded rays, which overlap more or less at their edges; the center forms a golden disk. For show purposes single dahlias should not exceed three inches in diameter, and the eight (only) ray florets should be smooth, somewhat recurved at the tips, broad and overlap- ping, so as to form a perfectly round flower. (See also cactus-flowered, class XV.) Class II. Mignon single-flowered.— Flowers similar in all respects to class I, but the plants do not exceed eighteen inches in height. Class III. Collarette. — Collarette dahlias have an outer ring of flat rays, as in singles, and just within this and surrounding the golden disk a ring of florets (the "collar") with deeply cut petals, generally of a different color from the outer, and only about half their length. Class IV. Anemone-flowered.—In anem- one-flowered dahlias the outer ring of flattened rays surrounds a dense group of tubular flowers, longer than the ordi- nary disk florets of the single-flowered class, and of a different color. Class V. Peony-flowered.—The peony- flowered dahlias have large flowers, con- sisting of three or four rows of flatly expanded rays, somewhat irregularly ar- ranged and surrounding a golden disk similar to that of the singles. Class VI. Small-flowered peony.—The flowers are in essentials like those of class V, but are smaller and less than four inches in diameter. Class VII. Dwarf peony-flowered.— Similar to classes V and VI, but not ex- ceeding two feet six inches in height. Class VIII. Deco
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