118 



THE TRUE GRASSES. 



148. (148) Zenkeria Trin. (Amplddonax Nees (in part) ). 

 Panicle loose, empty glumes 1-3- 

 nerved ; flowering glumes awn- 

 less, the two flowers closely ap- 

 proximate. 



Species two, East Indian penin- 

 sula and Ceylon. 



149. (149) Micraira F. Mull. A 

 low, matted grass, with appressed, 

 subulate leaves ; spikelets very 

 small, awnless, in loose panicles. 



Species one (31. subnlifolia 

 Mull.) in Queensland. 



150. (150) Ccelachne Brown. 

 A very delicate, often prostrate 

 grass with narrow panicles and 

 small, round, awnless spikelets. 

 Flowers divergent. 



Species three, in East Indies, 

 South China, and tropical Aus- 

 tralia. 



151. (151) Airopsis Desv. A 

 delicate annual grass with nearly 



'.. cylindrical panicles. Spikelets 

 small, globose, shining, awnless ; 

 the two flowers very closely appressed to each other. 



Species one (A. globosa 

 Desv.), in Southwestern Eu- 

 rope and Northwestern Africa. 

 152. (152) Aira L. (in part) 

 (Fussia Schur.). Spikelets 

 small, usually in loose panicles. 

 Empty glumes thin-membra- 

 naceous, the two flowers closely 

 superposed. Flowering glumes 

 usually awned on the back (awn 

 rarely wanting), finally some- 

 Fia. 59.- Aim caryophyiieaL. (After what indurated. Delicate an- 



Nees, Gen. Germ., I. 44.) , . . ■■ , -. 



nual grasses with slender 

 panicle-branches. 



Fig. 58. — Eria-chne 

 Brown. (After Kunth, Rev 

 Gram. pi. 64.) 



