256 
DANTHONIA, wild oat grass 
Danthonia spicata (L.) P. Beauv. ex Roemer & Schultes, poverty 
grass, curly oat grass, p. 142 
var. longipila Scribner & Merrill 
var. spicata 
DIARRHENA, beakgrain 
Diarrhena americana P. Beauv., American beakgrain, p. 113 
var. americana 
var. obovata Gleason 
DICHANTHELIUM, panic grass 
[S: PANICUM] (Gould, 1974) 
(Note that there is current controversy concerning Dichanthelium, 
both as to whether this group of species should be segregated 
Dichanthelium acuminatum (Sw.) Gould & C. A. Clark, p. 214 
var. acuminatum [S: Panicum lanuginosum Elliott var. 
fasciculatum (Torrey) Fern., var. implicatum (Scribner) 
Fern., var. lindheimeri (Nash) Fern., P. subvillosum 
Ashe; G, M: D. acuminatum var. lindheimeri (Nash) 
Gould & C. A. Clark] (Gould and Clark, 1978; 
Stephenson, 1984) 
var. longiligulatum (Nash) Gould & C. A. Clark [S: Panicum 
longiligulatum Nash] (Gould and Clark, 1978) 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
