37 
Ctenium carolinianum Panz. Toothache-grass; Lemon-grass. (Fig. 29.) 
A perennial grass with erect stems 3 to 4 feet high. Native of the ers States 
rom Virginia south ward, growing in the wet pine barrens, possessing no agri- 
cultural value, but rather curious in appearance. The strong sosia are 
lemon-scented and have a pungent taste. 
Cynodon dactylon Pers. Bermuda-grass; Reed-grass; Scutch-grass; Dog's-tooth- 
grass; Wire-grass; Bahama-grass; Indian Couch-grass; Doab, Doorba or Doorva 
(in India); Couch-grass (in Australia). (Fig. 30.) 
A grass widely dispersed over the tropical regions and warmer countries of the globe. 
has a creeping habit of growth, extending over the surface of the ground and 
rooting at the joints. In poor soils the leaves are short and the upright flow- 
ering stems are only a few inches high, but on good land it grows to the height 
Fre. 29.—Toothache - grass. Fic. 30.—Bermuda-grass. (Cynodon 
(Otenium ioa ee ) dactylon.) 
of 1 to 2 feet and yields a large amount of excellent hay. It may be cut three 
or four times during the season. In the Northern States it does not afford a 
5 crop and is of little value for pasturage north of Virginia, but in 
the Southern States and in the warmer regions of the Southwest and on the 
Pacifie Slope it is eultivated extensively and is most highly prized, chiefly 
for grazing, all kinds of stock be being exceedingly fond of it. It grows freely on 
the shade. It is useful for binding drifting sands and the necp soil of embank- 
ments or those eden to wash. ; 
used for this purpose in the hotter portions of the United States, for it will 
thrive where the grasses ordinarily employed for lawns could not survive. The 
