136 



Anthaenantia, Beaav. The former is A. villosa, Beauv., and the 



latter A. rufa, Benth. 



3. Eriochloa, HBK., has the right of priority over Helopus, Trin, 



E, punctata^ Hamilton, is united with E, polystachya^ HBK. 



4. Beckmannia, Host., is placed with the Paniceae after Eriochloa, 



5. The genus Panicuni numbers about 250 species, although over 800 



supposed species have been described. Steudel enumerates 850. 



6. Berchtoldia^ Presl., is united with Chaetium^ Nees. 



7. Penicillaria^ Willd., is included under Pennisetum^ Pers. 



8. Crypsis schoenoides^ Lam., is Heleochloa schoenoiJes^ Host, 



9. Thurberia, Bentham, is substituted for Greenia of Nuttall and 



Sclerachne of Torrey, as both these names had already been 

 taken. Limnas, Trin., to which Steudel has referred the species 

 of TImrberia, is limited to a single and very distinct species from 

 East-Russian Asia. 



10. Hilaria, HBK., includes Pleiiraphis^ Torr. 



rr. Tragus^ Hall., has precedence over Lappago^ Schreb, 



12. RottboeUia ciliata^ Nutt., is a species of ElionuruSy Humb. et 



BonpL, very closely allied to if not a variety of E. ciliaris^ HBK. 



13. Andropogon melanocarpuSy EIL — -No. 3641 of Curtiss's Florida 

 plants — is a species oi Heteropogon, 



14. Sorghum nutans^ S, avenaceum and *S*. secundum of Chapman are 

 species of Chrysopogon^ Trin. 



15. Oryzopsis^ Mx., includes Eriocoma of Nuttall, (the Fendleria of 



Steudel.) 

 i6. Muhlenbergia^ Schreb., includes Vaseya^ Thurber. 



17. Vilfa of Beauvois is reduced to SporoboluSy Br, The Vilfa of Adan- 



son belongs to Agrostis, 



18. Cinna macroicra of the Botany of California is Epicampes rigens^ 



Benth. 



19. CalamagrotiSy Adans., is separated from Deyeuxia^ from which 

 the species are distinguished by having no prolongation of the 

 rachilla, or '* rudiment of a second flower." Their generally tall 

 and almost reed-like habit, together with the ring of long hairs 

 surrounding the flowering-glume, separates them from Agrostis. 

 Calamagrostis longifoUa, Hook., and C brevipilis^ Gray, are re- 

 ferred to the genus A?fimophila. 



20. Deyeuxia^ Clarion, includes those species in which the rachilla is 

 prolonged into a smooth or more commonly hairy bristle or 

 stipes, Agrostis aequivalvis^ Trin., is placed in this genus. 



21. Calamagrotis arenaria^ Roth., is referred to AmmophUa, Host, 



A. arundinacea. 



22. Aira, L., includes only two North American species— A. carya- 



pJiylka and A. praecox, Lin. The other North American grasses 



which have been included in Aira are now referred to Des- 



champsia, Beauv. Aira danthonioides, Trin., becomes Deschamp- 



sta calyctnay Presl. 



23. Eustachys, Desv., is united with Chloris. Sw. 



24. Chloropsis, an unpublished genus, is Trichloris of Fournier, in 

 his Enumeration of Mexican Gramineae." 



25. Lepturus paniciilatus,^xi\K.^ is no Lepturus at all but.a species of 



bchcdonnardus^ Steud. 



