AXDKUl'OtiOXE.E. 



33 



sessile spikelet 4, awnless, warty, hard, empty, the second smaller 

 concave, thiu and firm, third and fourth small, thin and hyaline, 

 awnless; palea minute or 0. Stamens 

 3. Styles distinct. Grain enclosed by 

 the round glume, but not adherent. 



Species 11, widely spread over the 

 warmer regions of the New and the Old 

 World. 



1. H. granulans (L.) Kuntze, Rev. 

 CJeu. PI. 770 (1801). CeticJirus (jmnu- 

 loris L. Mant. 2 : App. 575 (1771). 

 MatdsHi'isi fjratnilat'h Sw. 



A slender leafy bninolung annual, 

 70-90 cm. high. Sheaths loose, com- 

 pressed, hispid; ligule very short; blades 

 short flat, ciliate cordate. G-"iO cm. long, 

 8-12 mm. wide, clothed with spreading 

 hairs each springing from a tubercle, the 

 floral leaves generally exceeding the en- 

 closed sheathing bracts and spikes and 

 narrower sheathing bracts, the whole in- 

 floivscence foi'ining an irregular leafy 

 panicle. S})ikes 1.5-2.5 cm. long. 

 Si'sxiU' spikelets 1.8-2.5 mm. long, 

 l.;5 mm. diam. on an cbeonical callus. 



0.5-0.8 mm. long, outer glume 11- F'"- 10.— ILn-Mochloa (jrann- 



lariK. A, spiko ; a, b, $ 

 nerved, second oval. 1-nerved; pcdicvl- spikflit. x 4 ; c, dr spikelet, 



hdr spikelets 2 mm. or more long, first ^ '• («"'''»'^'- ) 



glume flat-oval, 6-7-n-nerved, with a keel near each nuirgin, 



second concave. 7-nerved. the keel winged. 



(!a.. ('Nr/iss 3025; Arizona. I'ri)i(/li; Lrmmon 315; Mexico, 

 Ptthiivr. /'n'ti(/tc '.Wr,x both for U. S. iK-pt. Agric. 



In Palmer's specimen there is a thin glume, lu'arly as long as 

 the outer glume; it is hyaline, broad uval. 2-nerved. A fourth 

 one is a little shorter, ii\ aline, nervi'lt-ss. Stamens 3. Fn ['ringlc's 



