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39 
were oni placed. The taking up of the name Chamer. «phis, a genus established by 
n upon certain Australian and south Asiatic grasses having spikelets like 
disse of Panicum, but with the partial rachis of the inflorescence produced into long 
awn-like points beyond the insertion of the upper cr only spikelet, appears to have 
been ill advised, and the more recent adoption of Txophorus for Setaria is equally so. 
The latter genus, Jrophorus, possesses well-marked characters of generic value for 
Eus it, and the same is true of 5 Neither of these names can 
up for Setaria, unless they are used in broad sense to include all the 
species » Panicum thrown by Steudel into the ista Setaria—that is, those species, 
as Schlechtendal states it, having spicula in axibus inflorescentia varie erolutis pedi- 
cellater sessilesve, axium sterilium, seias emulantium majore minorere copia cum spiculis 
nascente. This would bring together a heterogeneous assemblage of species, the nat- 
ural result of the adoption of too goin eder which, with our present ideas 
f genera, would be much more easily and more systematically treated if divided 
rs. V 
into genera upon more natural and genetic characte hi ir Setaria called, 
might under a broad conception of the genus Panicum be referred t they seem to 
form a well-marked group, as indicated by the characters noted which it 
3 
seems best to maintain as a genus, under the new name Chetochloa, Chameraphis 
and Irophorus being both well-defined genera and abundantly distinct. Among the 
species belonging to this genus are the following: Chaetochloa verticillata 2 ) Scribn., CER 
n:-n. pce 2 Linn.); C. glauca (L.) Seribn., n. n. (Panicum glaucum 2 aat 
16103 ze ); C. viridis (L.) Seribn., n. n. (Panicum viride gare V C. italica (L. ) Seribn., F. 
13552 . n. (Panicum se is € 8 (Poir.) Scribn., n. n. (Panicum imberbe Poir.); 
2.36 17 0 grisebachii (Fourn. Ari n. n. (Setaria grisebachii awn ., Setaria pauciseta Vase 
34295 in Em C. flava (Nees) S n., n. n. (Panicum Paus um i e C. Po OUR ) 3424 
* Seribn., n. n. ( Panicum E Willd.); €. a (Swz.) Seribn., n. n. 55 i- 267 
% e cum 8 ii nain Swartz); C. magna (Griseb.) Seribn., n. n. (Setaria magna Griseb. v 
135 32 c. composita (HBK.) Seribn. n. n. (Setaria composita HBK.); C. amen (ElL) (834 
Seribn., n. n. (Setaria corrugata ElL). 
