184 A TEXT-BOOK OF GRASSES 
closely allied species, E. frumentacea (Roxb.) Link (Fig. 
22), is cultivated for forage under the name billion-dollar- 
grass. This and EF. colonum (L.) Link are cultivated in 
India for the seed, which is used for food. 
219. Tricholena Schrad—A small genus 
‘iy ff of African grasses, one of which has been 
SY / introduced into the American tropics. 
S\ iG Spikelets in panicles, very hairy. Tricho- 
QHY lena rosea Nees has given promise of value 
WG Zf as a meadow-grass on the dry pine lands 
WO 7 | of Florida. It is there called Natal-grass 
7 and, incorrectly, redtop. Natal-grass is an 
Se erect perennial, 2 to 3 feet high, with a 
4 . loose panicle of pink or rosy silky spike- 
WE lets. It is said to furnish 4 or 5 cuttings 
hy of hay in a season. This grass may be 
grown from seed or by setting out divisions 
of the root or crown. 
220. Chetochloa Scribn—A _ small 
genus of annuals or perennials, the spike- 
lets in narrow often spike-like panicles, 
interspersed with bristles. Two annual 
European species with cylindrical spike- 
like panicles are common weeds in the 
eastern half of the United States. One of 
them, yellow foxtail, C. lutescens (Weigel) 
Pele, igi. soumtia- (Fig. 23), has yellow spikes and 5 or 
chloa lutescens. In~ more bristles below each spikelet; the 
florescence, xX %4; 
spikslet with ub~ other, green foxtail, C. viridis (L.) Seribn., 
has green spikes and only 1 to 3 bristles 
below each spikelet. Another species, C. italica, closely 
allied to the latter, is commonly cultivated as millet or 
Hungarian grass. This has large heads, or spikes, which 
