764 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



3 to 15 mm wide, papillose-hirsute, ciliate; racemes 1 to 2 cm long; 

 sessile spikelet about 1 mm thick; pedicellate spikelet about 2 mm 



Figure 16$9.—Hackelodiloagranularis. Plant, X \-i\ single raceme, X 2; two views of spikelets with rachis 



joint, X 5. (Pringle, Ariz.) 



long, o — Open ground, fields, and waste places, Georgia and 

 Florida to Louisiana; New Mexico to Arizona (fig. 1690); tropics of 

 both hemispheres, introduced in America. Fur- 

 nishes some forage in the Southwest. 



TRIBE 14. TRIPSACEAE 



156. COlX L. Jobs-tears 



Spikelets unisexual; staminate spikelets 2-flow- 



j • . j-i xi_ Z' -L' Fkhtre 1690.— Distribution of 



ered, in twos or threes on the continuous rachis, iiackeiochioa granulans. 

 the normal group consisting of a pair of ses- 

 sile spikelets with a single pedicellate spikelet between, the latter 



