DESCRIPTIONS OF TRIBES AND GENERA. 



51 



Sec. II. Sclerostacbya. Like Sec. I., but the axis of 

 the raceme is continuous. Spikelets all pedicellate. 

 Species one, in Asia. 



Sec. III. Eriochrysis (Beauv. as a genus). Pedicellate 

 spikelets 9 , smaller ; panicle compact, interrupted ; 

 axis articulate. Species four, in South America and 

 Cape of Good Hope. 



Sec. IV. Leptosaccharum. Spikelets single along the 

 axis of the raceme. Rachis not articulate. Species one, 

 in South America. 



12. (76) Erianthus Michx. (Ripidium Trim). Differs 

 from Saccharum only by the awned spikelets. Reed-like, 

 narrow-leaved grasses with 

 the usually expanded panicles 

 clothed with silky hairs. 



Species seventeen, in the 

 warmer countries of both 

 hemispheres. One species (E. 

 Ravenna?. Beauv.) extends as 

 far north as upper Italy. 

 Also cultivated for ornament. 

 (Fig. 14.) 



13. (78) Pollinia Trin. Ra- 

 cemes usually digitate, sel- 

 dom arranged in panicles. 

 First and second empty 

 glumes chartaceous or mem- 

 branaceous, the third hyaline. 

 Flowering glumes awned 

 from the point or from a 

 notch. Awns twisted or 

 geniculate, very rarely 0. 



Species thirty-two, in the 

 tropical and sub-tropical re- 

 gions of the Old World. 



Sec. I. Eulalia (Kunth as 



a genilS). Spikelets clothed Fio }4.-Erianthus Ravenna Beauv. 

 . . . (After Nees, Gen. Germ. I. 90. A, 



with silky hairs. Leaves nar- Branch of the panicle.) 

 row-linear. 



Sec. II. Leptatherum (Nees as a genus, Nemastachys 



