Class III. Order II. 



gin. Inner valves of the corolla half as long as the outer. 

 June, July. Perennial. 



AGROTIS ALBA. L. 



Panicle loose ; culm creeping ; calyx valves 

 equal, lanceolate, polished, rough on the keel. Sm. 



Stems spreading, ascending, rooting at the lower joints. 

 Leaves rough, their sheaths smooth. Panicle loose, consisting 

 of somewhat distant half whorls, its branches much subdivided 

 and roughish. Flowers lanceolate, shining, white or purplish 

 brown. Valves of the calyx equal, acute, rough on the back 

 only. Meadows. June, July. Perennial. 



24. TRICHODIUM. 

 TB.ICH ODIUM LAXIFLORUM. Mich. Tli in grass, 



Culms erect, leaves narrow, short ; sheaths 

 somewhat rough. Pers. 



This grass is readily known by its very thin, spreading, 

 capillary panicle Stem erect, smooth, slender. Leaves short, 

 glabrous, on roughish sheaths. Panicle consisting of very long, 

 straight, rough branches, of a purplish colour, hardly larger 

 than hairs, and very flexible. These are given off in half 

 whorls, and are repeatedly subdivided into three or four branch- 

 lets at a time. Flowers minute, scattered at the ends of the 

 branches. Glumes lanceolate, acute. Road sides. July. 

 Perennial. 



25. LEERSIA. 

 LEERSIA ORYZOIDES. Swartz. Cut grass. 



Panicle loose ; spikelets triandrous ; keel of 

 the glumes ciliate. Sw. 



PXALARIS osrzoiDES. L. 



