Twy (;(.■ \-<F- <>! Tennksske. 



99 



Jlj _ 



Fig. r.8. 



Fig-. 67. Agropyrujn repens, Beauv. — Couch-grass. A, a portion 

 of the inflorescence, which is a spike. The spikelets are sessile 

 and placed with their sides towards the axis or rachis to which 

 they are attached. B, a single spikelet; the pistils and stamens 

 are projecting from the two lower florets, the anthers falling down 

 below. C, empty glume. D, flowering glume, which is mucronate 

 pointed, as figured. A', the fruit or grain, which is pubescent at 

 the apex. 



Fig^. 68. Secale cereale, L. — Rye. A, the inflorescence, which is a 

 spike, popularly called the "head." B, a spikelet, which is two- 

 flowered. C/, C2, empty glumes. Z>, flowerins: glume, which is 

 long awned from the apex. E^ palet. A'/, A'2, the fruit or grain, 

 front and side views. A' 7, the orain in cross-section. 



