. 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. Genus i. BURMANNIA FAMILY. 547. i. BURMANNIA L. Sp. PI. 287. 1753. Erect herbs, with simple stems and small alternate scale-like leaves. Tube of the perianth strongly 3-angled or 3-winged, the 3 outer lobes longer than the inner. Stamens 3, opposite the inner perianth-lobes. Filaments very short; connective of the anthers prolonged beyond the sacs into a 2-clef
. 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. Genus i. BURMANNIA FAMILY. 547. i. BURMANNIA L. Sp. PI. 287. 1753. Erect herbs, with simple stems and small alternate scale-like leaves. Tube of the perianth strongly 3-angled or 3-winged, the 3 outer lobes longer than the inner. Stamens 3, opposite the inner perianth-lobes. Filaments very short; connective of the anthers prolonged beyond the sacs into a 2-cleft crest. Ovary 3-celled, with 3 thick 2-lobed central placentae; stigmas globose or 2-lobed. Capsule crowned by the perianth, opening by irregular lateral ruptures. [In honor of Johann Burmann, Dutch botanist of the eighteenth century.] About 20 species, natives of warm regions. Besides the following, another occurs in the south- eastern States. Type species: Burmannia disticha L. i. Burmannia biflora L. Northern Bur- mannia. Fig. 1353. Burmannia biflora L. Sp. PI. 287. 1753. Tripterella coerulea Nutt. Gen. 1: 22. 1818. Stems very slender, 2'-6' high, from a few fibrous roots, simple or forked above. Flowers 1 or several, often 2, terminal. Angles of the perianth-tube conspicuously winged, the outer lobes ovate, acute, the inner linear and incurved; seeds very numerous, oblong-linear, sparingly striate, escaping through irregular fissures in the sides of the capsule. In swamps and bogs, Virginia to Florida and Louisiana. Family 32. ORCHIDACEAE Lindl. Nat. Syst. Ed. 2: 336. 1836. Orchid Family. Perennial herbs, with corms, bulbs or tuberous roots, sheathing entire leaves, sometimes reduced to scales, the flowers perfect, irregular, bracted, solitary, spiked or racemed. Perianth superior, of 6 segments, the 3 outer (sepals) similar or nearly so, 2 of the inner ones (petals) lateral, alike; the third inner one (lip) dissimilar, often markedly so, usually larger, often s
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
