(11) 



1. Plialaris. — The 2 inferior florets reduced 

 to 2 awnless palene. 



2. Authoxantlium. — The two inferior florets 

 reduced to 2 aristate palesB larger than 

 the developed terminal floret. 



cc. SpiJcelets not dorsallij compressed. Glumce 

 2. When a second floret is present it is 

 rudimentary and terminal. 



aaa. Stigma fllamenfose, exserted on the apex of 

 the sp)ikelet. 



1. Alopecurus. — Floret consisting of a 

 single palea. 



2. Phleum — Glumie carinate, longer than 

 the 2 pale^e of the floret. 



3. Spartina. — Glura^e carinate, the inferior 

 shorter than the floret. Paleie unequal, 

 the superior longer. 



bbb. Stigma on an elongated style, aspergilli- 

 form and exserted below the apex of the 

 floret. 



1. Cynodon. — Gluma3 small, spreading. 

 Superior palea linear, concave; inferior 

 palea laterally compressed, oval, char- 

 taceous. 



ccc. Stigma plumose, exserted from the base of 

 the floret. Style very short. 



1. Polypogon. — GlumcG obtuse, but aris- 

 tate. PalesG membranaceous. 



