AGBOSTIS ALBA. 59 



AGROSTIS ALBA. 



LINNAEUS. HOOKER AND ARNOTT. PARNELL. SMITH. 



WITHERING. HULL. RELHAN. SIBTHORP. ABBOT. WELLDENOW. 



CULLUM. SCHRADER. GREVILLE. LlNDLEY. 



PLATE XVII. B. 



Agrostis stolonifera, LINNJEUS. ]. E. SMITH. MARTENS. 



" " WILLDENOW. KNAPP. KOCH. 



' ' compressa, WILLDENOW. 



" sylvatica, LINNAEUS. HUDSON. 



" polymorpha, HUDSON. 



" mutabilis, KNAPP. 



" palustris, SINCLAIR. 



" capillariSj LEERS. 



" stolonifera latifolia, SINCLAIR. 



The Marsh Bent Grass. 

 Agrostis A field. Alba White. 



A BUNDANT in pastures and on wood sides, preferring a dry 

 .JT\. sandy soil, sometimes found two thousand feet above sea level. 



Of no use to the agriculturist. 



Root perennial, tufted, and creeping. Stem circular, polished, and 

 upright, bearing four or five short, narrow, flat, very rough leaves, 

 with somewhat rough, striated sheaths, the upper one extending beyond 

 its leaf, having at its apex a long, ragged, acute, ribbed ligule. Joints 

 smooth. Inflorescence compound panicled. Panicle upright, somewhat 

 purple, with pale green florets. Branches rough, slender, and spreading 

 when in flower, proceeding from the rachis, generally in fives, placed 

 at equal distances, but unequal in length. Spikelets small, upright, 

 numerous, consisting of one small awnless floret. Calyx consisting of 

 two nearly equal-sized, narrow, acute glumes, destitute of lateral ribs. 



