Title: American grasses
Identifier: americangrasses03scri (find matches)
Year: 1897 (1890s)
Authors: Scribner, Frank Lamson, 1851-1938
Subjects: Grasses
Publisher: Washington : Gov. Print. Off.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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Fig. 99. Triplasis americana Beauv.—a, A spikelet; &,a joint of the rachilla and floret, showing the palea. Fig. 509 in Bui. 17 illustrates a second species of this genus. 99. TRIPLASIS Beauv. Agrost. 81, t. 16, f. 10. 1812. (Diplocea Rafin. 1819.) Spikelets many-flowered; flowers hermaphrodite or the uppermost staminate. Empty glumes 2, carinate, acute, awnless, shorter than the others; flowering glumes distichous along the rachilla, rounded on the back at the base, deeply 3-lobed, lobes smooth or ciliate, sides narrow, very acute, almost produced into awns, the middle longer, aristiform, often subflexuous-spreading. Palea shorter,broad, compressed,2-keeled, keelslong-ciliate. Stamens3. Stylesshort, distinct; stigmas plumose. Perennial grasses, with very narrow leaves, convo- lute or flat at the base; and slender simple panicles; spikelets shortly pedicel- late, usually erect. Species 2, North American.

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