104 



57. GRAMINEJ^.. 



/???Z- 



Setaria verticillata. 



as long as the other 2 ; fruiting 

 ghime minutely pitted. 



Cultivated land and near 

 creeks, Burnside. Dec. - Apl. — 

 Temperate and subtropical coun- 

 tries. 



2. S. gflauca., P.B. Erect 

 annual; leaves light-green, with 

 a ligule of silky hairs; panicle 

 dense, red-bristly ; each spikelet 

 with a cluster of about 10 

 bristles at base, the little teeth 

 of the bristles erect; the 2nd 

 outer glume exceeding the lowest 

 one and shorter than the 3rd ; 

 flowering glume wrinkled trans- 

 versely. 



Near Second Creek, Burnside. 

 — Deic.-Apl. Temperate and sub- 

 tropical countries, including east- 

 ern and central Australia. 



S. virldix, P.B., which differs from ,*>J. (jlinicd in having 

 the 2nd and 3rd glumes of equal length, the floAvering glume 

 minutely pitted as in S. verticillata, and the summit of the 

 leaf-sheaths ciliate-villous as well as the ligule, has ap- 

 peared at Mount Crambier. Tt 

 is a native of the Far North 

 as well as of most subtropical 

 .I'.RP^ ' ''■ I' ,i,i,(// countries, and when found in 



our settled districts, is probably 

 introduced from abioad. 



7. Pknnisetum, Richard. 



(Latin penim, a feather, .'sc/a, a 

 bristle, alluding to the plumose 

 bristles.) 

 1. Pennisetum villo- 

 sum, R. Br. Tufted perennial, 

 the stem downy below the 

 panicle; leaves narrow, keeled, 

 minvitely saw-toothed on the 

 edges, villous - ciliiite iit base of 

 blade, with a ligule of hairs; 

 l)ani(lc oblong-cylindrical, long- 

 bristlv, dense, somewhat curved; 

 spikelets conical, solitary or 2-5 

 together on a short villou.s ped- 

 uncle, and surrounded by an in- 

 volucre of slender, unequal 

 bristles, much longer than the 

 spike]t>ts and plumose in the 



Pennisetum villosum. 



