MONOECIA TRIANDRIA. 661 



glumis bracteisque gla- I glumes and bracteas 

 bris; nuce reticulato, slabrous: seed reticu- 



foveolis consperso. E. | late, dotted. 



r 



r 



Mich. 2. p. 167. Sp. pi. 4. p. 314. Pursh, 1. p. 45. Muhl. Gram. p. 

 266. Nutt. 2. p. 205. ' 



r 

 % ■ 



Stem one to two feet high, glabrous, acutely triquetrous. Leaves shorter 

 than the stem, narrow, glabrous, sheathing at base; the sheaths winged. 



Spikes numerous, axillary and terminal on lone peduncles, racemose, some- 



times somewhat paniculate, slender, the terminal ones nearly naked. Glumes 



lanceolate, acute, glabrous. Stamens two? Seed globose, rugose^ rather 

 with iinpressions than elevations. 



Grows in damp ptistures. ^* 



Flowers July — August. 



8. Verticillata. MuliL 



J. 



S. cidmo simplicissi- I Stem simple, trique. 

 mb, triquetro foliisque I trous, and with the 

 glabris; spica glomera- I leaves glabrous; spike 

 ta, niida, glomerulis al- clustered, naked, the 



ternis, distantibus; glu- 

 mis glabris; nucibus 

 globosis, mucronatis, 



transversim rugoso- I nate, transversely wrin 

 verrucosis. kled. 



clusters alternate, dis- 

 tant; glumes glabrous; 

 seed globose, mucro- 



F 



Sp. pi. 4. p. 317. Pursh, 1. p. 45. Muhl. Gram. p. 266. 



Stem about a foot high, very slender, triquetrous, glabrous. Leaves fili- 

 form, shorter than the stem, glabrous, sheathing, with a few hairs sprinkled 

 along the sheath. Flowers in distinct sessile clusters towards the summit of 

 the stem. Spikes and flowers both small. Bracteal leaves scarcely longer 

 than the spikes. Glume ovate, acuminate. Keel glabrous. Nut globose, 

 small, tuberculate, distinctly mucronate. 



Grows in damp soils. 



Flowers July — August. 



9. Interrupta. 



S. ciilmo simplicissi- I Stem simple, trique- 

 mo, triquetro, foliisque | trous, and with the 



VOL. II. b4 



