400 



WEEDS AND USEFUL PLANTS. 



length become coriaceous, closely investing the free smooth grain. Leaves 

 broad and flat. 



1. P. arundina'cea, L. Panicle oblong, with the spikelets more or less 

 clustered and somewhat secund on the branches ; glumes keeled, wing- 

 less ; neutral, rudiments hairy. 

 REED-LIKE PHALAEIS. Reed Canary Grass. 



271 



FIG. 271. Rood Canary Grass (Phalaris arundinacea). 272. Aspikelet. 273. Aspikelet with 

 the glumes removed ; the central fertile flower with two minute abortive ones at its base. 



