144 



Rho(l( 



[August 



List of the Species with their Synonyms. 



1. Sphenopholis obtusata (Mx.) Scribn. n. oomb. 



.lira ohfumta ^Nliclix. 1803. 



Airop.s-i.s ohiumta Desv. ISOS. 



Aira fninrofa iMulil. 1S17. 



Koeleria tninrato Torr. 1S24 (Exd. descr.)- 



Koeleria paniriilafo Nutt. ISIS. 



Rrhoulfft gmellis Kuntli. 1840. 



Rcboulca ohfu.mfa Gray, 1S48. 



Eatonia ohfusata (xray, 185() (Exd. char.). 

 Southern New Enghirui to Fh)n(la and westward to Illinois and 

 Texas, 

 la. Sphenopholis obtusata pubescens (S. &: M.) Scribii. n. coinb. 



Edfonia piihr.sren.s- Scribn. cV- Merrill, 1900. 

 Distribution with the species. 

 lb. Sphenopholis obtusata lobata (Trin.) Scribn. n. comb. 



Trisetum lohatum Trin. 1830. 



Eatonia densipora Fourn. 1881. 



Eafonia obtusata (Jray (excl. .syn.). 



Eatonia robu.s'ta (\'asey) Rydb. 

 Maine to Florida and westward to Washincrton, California. Mex- 

 ico and Canada. 



2. Sphenopholis filiformis (Cliapin.) Scribn. n. comb. 



Eatonia penn-iylcanica filiformis Chapni. 1800. 

 Eatonia filiformis \'asey, 1880. 

 Eatonia hi/l)ri(ta Heal, 1890. 

 Eatonia aristata Scribn. & Merrill, 1900. 

 South Carolina to Florida and westward to Mi.ssissi])pi and Texas. 



3. Sphenopholis nitida (S})r.) Scribn. n. comb. 



Aira nitida Spr. 1807. 



Aira pennsylranira S])r. 1810. 



Aira mollis Muhl. 1817. 



Koeleria pennst/lraniea I)(^. 1813. 



Trisetum penusi/lvauica Trin. 1830. 



Eatonia pennsylvanira (Jray, 1850. (Excl. descr.) 



Eatonia prinisi/lvanica Chapman, 18()0. 



Eatonia Dudley i Vasey, 1880. 



Eatonia nitida Nash. 189,"). 



