91 





FlG. 67. "Weingeertneria canescens 

 floret. 



Bernh.— a, A 2-flowered spikelet; b, a 



67. WEINGiERTNERIA Bernh. Syst. Verz. Pfl. Erfurt, 51. 1800. (Coryneph- 

 orus Beauv. 1812.) Spikelets 2-flowered, hermaphrodite, paniculate; rachilla 

 articulated above the empty glumes, and prolonged beyond the florets as a small 

 slender bristle. Empty glumes 2, thin, membranaceous, nearly equal, acute, 

 awnless; flowering glumes shorter than the empty ones, hyaline, entire, awned 

 upon the back below the middle; awn club-shaped at the apex, the upper por- 

 tion articulated near the middle with the part below, a ring of short hairs 

 marking the point of- articulation. Palea a little shorter than the flowering 

 glume, narrow, 2-toothed. Stamens 3. Styles short, distinct; stigmas plumose. 

 Caryopsis inclosed in the thin fruiting glumes, and more or less adherent to 

 them. Annual grasses, with the habit of Aira. 



Species 2 or 3, European; one introduced into this country. 



