160 



THE TRUE GRASSES. 



shorter than the flowering glumes. Fruit strongly 

 dorsally compressed. 



Species twelve, Europe, North Africa, and the tem- 

 perate parts of Asia and South America. 



Sec. I. Eubriza. Flowering glumes obtuse, without 

 lateral projections, nerves separate their eutire length. 

 B. media L., "Quaking-grass," perennial ; spikelets round- 

 ish. A valuable meadow-grass in Middle Europe. B. 

 maxima L. has large ovate and B. minor L. small, three- 



Fig. 82.— Uniola Ittt- 

 ifolia L. (After 

 Gray, Man. pi. 11.) 



Fig. 83. — Briza maxima L. (After 

 Trin., Spec. Gram. pi. 390.) 



cornered, ovate spikelets ; both are annuals, and fre- 

 quently cultivated as ornamental grasses for dry bouquets. 



Sec. II. Chascolytrum Desv. (as a genus). Flowering 

 glumes awnless or mucronate-pointed, its nerves uniting 

 at the apex. B. erecta Lam., an ornamental grass. 



Sec. III. Calotheca Desv. (as a genus). Flowering- 

 glumes, with projecting lateral angles, awned. 



Sec. II. & III. In South America ; B. elegans Doll, in 

 Uruguay. 



248. (251) Desmazeria Dumort. (Brizopyrum Link). 



