PLATE 140. 



DKJITARIA HORIZOXTALIS (Willd. Emim. PL Hort. Berol. 1809. 92). Fl Cap Vol 



VII. p. 378. 



ANNUAL. CULMS ascending from a geniculate or more or less prostrate, 

 sometimes rooting branched base, slender, 1-several feet long, glabrous, few to 

 iii.-mv mxled, upper internode by far the longest. 



I,I:A\I;S glabrous or hairy; sheaths thin, the lower withering ; ligules very 

 short. Blades linear-lanceolate to linear, acute or gradually tapering from below 

 the middle, 2-5 inches long by 2-4 lines wide (in the South African specimens), 

 flat, flaccid, margins scabrid. 



RACEMES, 4 to many, subdigitate, or on an angular common axis of variable 



length (one to several inches long), singly or the lower subverticillate, erect or 



admg. slender, strict, 1^-6 inches long, usually villous or bearded at the base, 



often with a few scattered, stiff, long, very fine hairs from the common axis ; 



rhacliis very narrow, usually wavv, triquetrous, lateral angles more or less winged, 



iiiid, internodes about \ !, line long (in the South African specimens), or longer. 



Peilicels 2-nate, one very short, the other up to ^ line long, triquetrous, scabrid. 



linear-oblong, acute, ;]l line long, greenish. Glumes, faiwr 

 extremely minute or supressed ; nji/tcr lanceolate- oblong, equalling i-J of the 

 upper valve, -'i-nerved, with lines of extremely fine adpressed silky hairs between 

 the nerves and along the margin, or with the marginal hairs spreading. Valves 

 equal or subequal ; fnircr prominently and closely 7-nerved, with lines of extremely 

 fine adpressed silky hairs between the outer nerves and along the margins, or with 

 the marginal hairs spreading ; '//*/<,/ subchartaceous, acute, pale-greenish. 



: NATAL. Near Durban, Drcye : Williamson 27; Umpumulo Ruchci- 

 nan, 202: 204. 



Drawn from Buchanan's No. 204, the specimen being in bad condition, and 

 neither stamens nor stigmas being present. 



1, Litrule : 2, rhacliis with 2-nate pedicels: 3, upper glurne ; 4, lower valve; 

 upper valve, front view : (>, ?ame, back view : 7. pale. All enlarged. 



