CH. vn] Botanical Description of Species 



53 



the palese turned towards the main axis, which is tough and 

 notched. Spikelets of 4-5 flowers. The empty glumes are nearly 

 equal, and 4-5 nerved. 



"Seeds" boat-shaped, 7-12 mm. long; outer palea with a 

 prominent dorsal nerve; rachilla stout, cylindrical, smooth (or 

 sometimes hairy), widening above, with a concave apex. (Fig. 29.) 



Fig. 31. Panicle of Agrostis palustris, 

 (a) just after emerging from its 

 sheath and (6) near the period of 

 flowering. About I nat. size. 



Fig. 32. Panicles of Agrostis stolonifera 

 (to the left), and Agrostis vulgaris 

 (to the right). About | nat size. 



A common variety of this species var. aristatum has the 



dorsal nerve prolonged into an awn or awn -point, which is 



sub-terminal, and does not exceed the length of the outer 

 palea. 



