140 TABULAR VIEW OF BRITISH GRASSES. 



PHALARIDE.E— Continued. 



Florets solitary, glumes absent, panicle loose, Leevsia, i . 

 Florets solitary, inner palea absent, spike dense. 



Alopecurus, i8-2ig 

 Florets solitary, outer glumes winged, spike dense. 



Phalaris, 1 1 . 

 Florets solitary, outer glumes not winged, panicle loose. 



Digr aphis, 12. 

 Florets in threes. Stamens only two in number. 



Anthoxanthum, 10. 

 Florets in threes, uppermost of each group perfect, the 



other two male only. Hierochlce, 9. 



STREPTATHERJE. Spikelets with one, two, or (rarely) more 

 perfect florets. Outer palea with usually a bent or 

 twisted (often dorsal) awn ; inner palea two-nerved, 

 generally thin or small. 



Agrostide^:. Spikelet with one floret, paleae usually 



very thin. 

 Inflorescence an alternate spike. Mtbora, 22. 

 Inflorescence a panicle ; glumes narrow ; a small hairy 



tuft at base of florets. Agroslis, 26-29. 

 Inflorescence a panicle ; glumes large and shining. 



Gastridium, 30. 

 Inflorescence an ovoid spike with long, silky hairs. 



Lagurus, 23. 

 Inflorescence a panicle ; florets very hairy. Calamagvostis, 



32-35. 

 Inflorescence a cylindrical spike. Psamnia, 31. 



Avenete. Spikelet with two or more florets (rarely 

 with four), paleae well developed and firm. 



Inflorescence a spike. Phleum, 13-17. 



Inflorescence a panicle. Florets in twos. Upper floret 

 male only. Plant woolly. Holcus, 45-46. 



Inflorescence a panicle. Florets in twos. Awn of outer 

 palea short. Aira, 36-40. 



