J04 TRIANDRIA» DIGYNU. olyceru, 



S — 4 lines broad, nearly smooth, finely striate, and with the 

 sheaths smooth. Sti/iule oblong, very thin. Panicle nearly a 

 foot long, lower part concealed in the sheath trom which it 

 proceeds; branches semiterete, bearing the spikelets in a ra- 

 cemose manner. Spikelets nearly sessile, about an inch long ; 

 florets distinct, free. Calyx unequal, without nerves or keel ; 

 superior glume broad, often very obtuse or obliquely trun- 

 cated ; inferior glume shorter, rather acute. Valves of the 

 corolla nearly equal, scabrous; the inferior very (jbtuse, scari- 

 ous on the margin ; apex eroded or many-toothed ; superior 

 valve lanceolate, often longer than the inferior one, slightly 

 toothed at the point. Stamenfi 3 ; anthers large, yellow. Styles 

 short; stigmas white. JV.ctarics fleshy, somewhat cordate. 

 Seed linear-oblong, with a deep groove on one side. 

 Hab. In ditches and on the borders of ponds. June — July. 



2. G. aattiflora*: panicle simple, elongated, appressed j 

 ^pikelets linear-terete, 4 — tiJ-flowered ; florets attenuated, 

 acute, indistinctly nerved ; leaves short, erect. Fe&tuca 

 brevifolia Muhl. Gram. p. 167. 



Root perennial, creeping. Culm about a foot and a half highy 

 a little compressed. Leaves 3 — 6 inches long, 1 — 2 lines 

 broad, attenuated, and sometimes involute at the point, nearly 

 smooth. Sti/iule elongated, very thin, fii.ely lacerate. Panicle 

 long and slender, a little nodding ; lower part concealed in the 

 sheaths. S/iikelcts acute ; florets distinct. Calyx very un- 

 equal, without nerves. Corolla linear-ianceolate, scabrous, at- 

 tenuated to a sharp point; superior valve much longer than 

 the other, bifid at the tip. Stamens 3 ; anthers yellow. Stig- 

 mas white. Seed oblong, sulcate. JVectarics connate, obcor- 

 date, very minute. 



Hab. In overflowed meadows ; Bloomingdale, Fishkill, 8cc. 

 New-York. Near Hoboken, New-Jersey. Deerfield, Mas- 

 sachusetts. Coo ley. June. 



Resembles the preceding species in many respects, but ir- 

 easily distinguished by the acute and almost nerveless florets. 



25. UNIOLA. L. 



Spikelets compressed, ancipital, many-fiowcred. 

 Calyx 2-valved, shorter than the florets'. Corolla 

 2-valved, avvnlcss; inferior valve boat-shaped; supe- 

 rior valve smaller, concave on the back. Nectaries 

 collateral, emarginate. Gen. pi. 116, Nntt.Gen. 

 I. p. 69. Juss. p. 32. Roe 771.^ Schult. Gen. 302. 

 Tri n. Agrost. 79. P.deBeau v. t. XV. f. 6. Flowers 

 panicled. One or more of the lower florets in each 

 spikelet abortive, 1-A'alved, Spike-grass. 



