125 



Fig. 94. Amndo donax L. — a, A spikelet; 6, a floret. 



94. ARUNDO Linn. Sp. PL 120. 1753. Spikelets 2- to many-flowered ; rachilla 

 articulated above the empty glumes and between the florets, smooth; florets 

 crowded, hermaphrodite, or the upper or lower staminate; empty glumes 2, 

 narrow, a little unequal, 3-nerved, smooth, acute, or acuminate, about the 

 length of the spikelet ; flowering glumes thin, membranaceous, 3-nerved, 

 2-toothed at the apex, and mucronate between the teeth, long-pilose on the 

 back. Palea hyaline, 2-keeled, shorter than its glume. Grain smooth, inclosed 

 within the palea and glume, but free. Tall and reed-like grasses, with hollow 

 culms, broad, flat leaves and ample terminal panicles. 



Species 6 or 7, distributed throughout the warmer countries of the world; one, 

 the species here illustrated, introduced and cultivated for ornament. 



