. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 224 SCROPHULARIACEAE. Vol. III. 40. MELAMPYRUM [Tourn.] L. Sp. PL 605. 1753. Annual branching herbs, with opposite leaves, and small white yellow violet or variegated flowers, solitary in the upper axils, or in terminal bracted spikes. Calyx 4-toothed, the 2 upper teeth somewhat the longer. Corolla irregular, 2-lipped, the tube narrow, gradually enlarged above,
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 224 SCROPHULARIACEAE. Vol. III. 40. MELAMPYRUM [Tourn.] L. Sp. PL 605. 1753. Annual branching herbs, with opposite leaves, and small white yellow violet or variegated flowers, solitary in the upper axils, or in terminal bracted spikes. Calyx 4-toothed, the 2 upper teeth somewhat the longer. Corolla irregular, 2-lipped, the tube narrow, gradually enlarged above, the upper lip compressed, obtuse or emarginate with a groove behind the margins, or these recurved or with a tooth on each side; lower lip spreading or ascending, 3-toothed, 2-grooved beneath. Stamens 4, didynamous, ascending under the upper lip; anther- sacs distinct, parallel obtuse or mucronulate at the base. Capsule flat, oblique, loculicidally dehiscent, 2-4-seeded. Seeds smooth, strophiolate. [Greek, black wheat.] About 10 species, all of the northern hemisphere. Only the following are known in North America. Type species : Melampyrum arvense L. Leaves lanceolate or linear-lanceolate, the floral 2-4-toothed at the base; capsule much longer than wide, long-beaked. 1. M. lineare. Leaves ovate, all entire; capsule slightly longer than wide, short-beaked. 2. M. latifolium. i. Melampyrum lineare Lam. Narrow-leaved Cow-Wheat. Fig. 3856. Melampyrum lineare Lam. Encycl. 4: 22. 1797. M. americanum Michx. Fl. Bor. Am. 2: 16. 1803. Puberulent; stem slender, obscurely 4-sided above, at length widely branched, 6'-ii° high. Leaves lanceolate or linear-lanceolate to ovate, short-petioled, acuminate or acute at the apex, narrowed, obtuse, or the upper truncate at the base, i'-2l' long, ii"-6" wide, the lower entire, the upper floral ones ovate or lanceolate, with 2-6 bristle-pointed teeth near the base or entire; flowers short-peduncled, 4"-6" long; calyx about one-
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
