79 



FIG. 57. Cinna arundinacea L. INDIAN REED.— a, b, Spikelets; C, same with 

 the empty glumes removed. Figs. 476 and 477 in Bui. 17 illustrate other species 

 of Cinna. 



57. CINNA Linn. Sp. PI. 5. 1753. Spikelets 1-flowered; rachilla distinctly 

 articulated below the empty glumes as well as above them (the spikelets falling 

 off entire) , produced below the floret into a short and smooth stipe and usually 

 extending behind the palea as a slender, naked bristle. Flowering glume 

 similar to the outer ones, 3-nerved obtuse, usually with a very short, sub- 

 terminal awn. Palea apparently 1-nerved, keeled. Stamens 1. Styles short, 

 distinct. Grain included within the flowering glume and palea, free. Tall 

 perennial grasses with numerous flat leaves and many-flowered, nodding 

 panicles. 



Species 3, in the northern regions of Europe and America 



