664 GEOGRAPHICAL DISTRIBUTION OF 



The following geuera of only one species each are found in North 

 America and elsewhere : Catahrosa, Coleanthus, Cottea, Phippsia. 



The following genera, containing one species each, are limited 

 to North America : Bauchea, Brachyelytrum, Bulbilis, Calamacliloa, 

 HydrocJiloa, Monanthochloe, Opizia, Rachidospermum, Redfieldia, 

 Heynadia, Schaffnera, Scliedonnardus^ Scribneria, Zizania, Zi- 

 zaniopsis. 



The following species found in North America are very widely 

 distributed elsewhere, viz. : 



Agrostis [scahra) hyemalis B. S. P. Cool N. A. and Australia. 



Andropogon contortus. Tropical and subtropical America, 

 Asia, Africa, Australia. 



Arctagrostis latifolia Gris. Arctic Asia, Eurojie, and North 

 America. 



Beckmannia erucceformis Host. Temperate Europe, Temperate 

 Asia, Western North America. 



Cdtabrosa aquatica Beauv. Temperate Europe, Asia, North 

 America. 



Cenchrus trihuloides L. North America, South America, Asia, 

 Africa. 



Coleanthus suhtilis Seid. 



Cottcea pappopJioroides Kunth. 



Deschampsia ccespitosa Beauv. Temperate and cool regions of 

 the world. 



Distichlis maritima Eaf . Seacoast of America and Australia. 



Eragrostis ciliaris Link. North America, South America, East 

 Indies, Africa. 



Eragrostis reptans hypnoides B. S. P. North America, South 

 America. 



Festuca ovina L. Temperate regions of the world. 



Pa?iiciclaria {Glycer'ia) Jiuitans R. Br. Temperate and. cool 

 Northern Hemisphere and Australia. 



Savastana [Hieroclilo'e) aljrina R. & S. Cold Northern Hemi- 

 sphere. 



Savastana {HierocTiloe) horealis R. & S. Cold and temperate 

 Northern Hemisphere. 



