ls 
E 
35 
binder for interior regions of the country this grass is — unsurpassed. 
Its long, tough leaves suggest a possible value for paper-makin 
Capriola dactylon. (See Cynodon dactylon.) 
Cenchrus echinatus Linn. Cock-spur 
A rather stout annual, with branching culms 1 to 2 feet long, and dense heads or 
spikes made up of 20 or more globular, spiny burs containing the spikelets. It 
is a weed of the fields and waste places of the Southern and Southwestern States. 
Cenchrus tribuloides Linn. Sand-bur; Sand-spur; Hedgehog-grass; Bur-grass; 
Cock-spur Bur. (Fig. 27.) 
A widely distributed grass growing in sandy soils along river banks, the seashore; 
re or less scattered throughout the interior of the country in sandy dis- 
tricts. It is one of the worst of annual weeds wherever it becomes abundant. 
Chloris 
~ 
Fie. 27.—Sand-bur. (Cenchrus tribu- Fie. 28.—Smooth Chloris. 
loides.) glauca.) 
The prostrate branching stems are 1 to 2 feet long, and the spikes are composed 
of 10 to 15 strongly spiny bed which readily become detached and adhere to 
passing objects. No pains ore be spared in efforts to exterminate this grass 
wherever it makes its appeara: 
Chameraphis sp. (See Setaria.) 
Chloris barbata Sw. : 
This and the very similar C. elegans of our Southwestern States and Territories are 
pleasing ornamental grasses, growing to the height of 1 to 2 feet, the main Dem 
and branches being terminated by 3 to 10 bearded spikes, which impart to t : 
a striking appearance and make them valuable ornamentals, €. bebes 
a West Indian species which has been found in e Florida, is oim Hy 
