70 K03LERIA EATONIA. 



depth. Its habit of growth unfits it for a lawn grass. 

 Its seed weighs twelve pounds to the bushel, and, to 

 sow alone, about twenty-four pounds to the acre are 

 required to make sure of a good crop. It should not 

 be sown alone except for the sake of raising the seed. 

 It is worthy of a much more extended cultivation 

 among us. 



28. KOBLERIA. 



Spikelets crowded in a dense, spike-like panicle, three 

 to seven flowered. Glumes and lower palea compressed, 

 keeled ; stamens three ; grain free. 



CRESTED KCELERIA (Koderia cristata] is a perennial 

 grass from two to two and a half feet high, and some- 

 what common on dry, gravelly places from Pennsylvania 

 to Illinois and westward. Panicle narrowly spiked ; 

 lower palea pointed j leaves flat, the lower ones some- 

 what hairy. 



TRUNCATED KCELERTA (Koderia truncata) has a dense 

 and contracted panicle, with the spikelets crowded on 

 the short branches ; upper glume truncate, obtuse, 

 rough on the back. Perennial ; growing from two to 

 three feet high, and flowering in June, on dry soils 

 from Pennsylvania to Wisconsin, and southward. 



29. EATONIA. 



Glumes nearly equal, but dissimilar, and shorter than 

 the flowers ; the lower one-nerved, keeled ; the upper 

 three-nerved on the back, not keeled. Lower palea 

 oblong, compressed, boat-shaped ; stamens three. 



PENNSYLVANIAN EATONTA (Eatonia Pennsylvanica) is a 

 common grass in moist woods and meadows, in the 

 Eastern, Middle, and Western States ; growing about 

 two feet high, perennial, and flowering in June and 



