144 CIXKA. 



longer than the membranaceous palets, the lower or 

 which is commonly short-awned below the apex ; 

 stamens 3 ; grain free). 



(Name from two Greek words, much and beard, 

 from the awns.) 



1. P. Monspeliensis (Annual Beard Grass). It is 

 found at the Isle of Shoals and on the coast south- 

 ward. No agricultural value. 



10. CINNA Linn. WOOD REED GRASS. 



GENERIC CHARACTER. 



Spikelets 1-flowered, much flattened, crowded in 

 an open, flaccid panicle ; glumes lenceolate, acute, 

 strongly keeled, rough-serrulate on the keel, the 

 lower rather smaller, the upper a little ex- 

 ceeding the palets ; flower manifestly stalked in the 

 glumes, smooth and naked ; the palets much like 

 the glumes, the lower longer than the upper ; short- 

 awned or mucronate on the back below the pointless 

 apex ; stamen one, opposite the 1 -nerved upper 

 palet ; grain linear, oblong, free. A perennial, ra- 

 ther sweet-scented grass, with simple and upright, 

 somewhat reed-like culms (2 to 7 feet high), bearing an 

 ample compound terminal panicle, its branches in 

 fours or fives; the broadly linear lanceolate flat leaves 

 one-third to one-half inch wide) with conspicuous lig- 

 ules ; spikelets green, often purplish tinged. 



Name unexplained. 



1. C. Arundinacea L. (Wood Reed Grass, Indian 

 Reed Cinna). This is a large, rank grass, growing 



