152 



FIG. 121. Graphephorum melicoideum (Michx.) Beauv.— a, A 2-flowered 

 spikelet showing the plumose prolongation of the rachilla above the 2d floret; 

 b, the empty glumes; c, a single floret; d, apex of one of the flowering glumes. 



121. GRAPHEPHORTJM Desv. Nouv. Bui. Soc. Philom. 2: 189. 1810. Spike- 

 lets 2- to 4-fiowered, compressed; rachilla articulated above the empty glumes 

 and between the florets, pilose, prolonged above the upper floret as a slender, 

 hairy pedicel. Empty glumes 2, thin membranaceous, acute, keeled, about 

 equaling the flowering glumes; flowering glumes thin membranaceous or 

 scarious, faintly nerved, entire, awnless, or with a very short awn just below 

 the apex. Stamens 3. Stigmas plumose. Ovary smooth. Slender, erect 

 grasses, with flat leaves, and narrow, loose panicles. 



Species 1 or 2, North American. (Allied to Trisetum.) 



