174 



(JHA.MI-NE.i':. 



ing usually 2-3 grains, which aro froe, ovoid, groovod on 

 the inner face, downy at summit. 



Ordinary South Australian wheat has the hollow stem of 

 var. vidgare, Hackcl (T. riiJgare, Villars), but it has the 

 outer glumes keeled right doA\n the hack of var. fiirijidxui (T. 

 ftn-fiidiin}, L.), which in Europe is also distinguished by its 

 solid stem. Vai-. (hiridii (T. iliiruin, Desf.), Hard or Mac- 

 caroni Wheat, which is grown in the soutli of Europe, the 

 drier parts of America, and is being tried in Australia, has 

 a solid .stem, awned floAvers, keeled outer glumes, and a 

 hard, horny grain, not mealy as in the other varieties. 



The principal cereal grown in this State, and spon- 

 taneous for a year or two after cultivation. — Sept. -Oct. — 

 Origin unknown, but doubtless the result of cultivation ex- 

 tending over .several thousand yea is. The only Trif'icinii 

 known to grow wild is T. inniioroconn , L., One-grained 

 "Wheat, which is sometimes cultivated on poor lands of the 

 Old World, and is spontaneous in south-eastern Europe and 

 western Asia. 



22. Sec.\le, L. 



1. Secale cereale, L. 



liyc. A tall annual with flat 

 leaves and a long, dense, cylin- 

 drical bearded spike, finally 

 drooping ; spikelets with 2 fer- 

 tile flowers; outer glumes awl- 

 shaped, 1-nerved and keeled ; 

 flowering glume long-awned. 



(irown for early green feed 

 and as a sand-hinder ; sub.spon- 

 taneous. Probably of Mediter- 

 ranean origin, and largely cul- 

 tivated in Europe as a cereal. 



KcELERi.\, Pers. 



L. Kapler, of Mainz, 

 of a work on the 

 Grasses.) 



Spikt'let.s compressed laterally, 

 2-6-flowered, the lowest flower 

 .sessile, the others stalked ; outer 

 glumes 2, membranous, keeled ; 

 flowering glume 3-nerved. 



-Viiiiuals; flowering Kk'nie 2-t(X)tli(^ 



awned. 

 Outer fjluine.s slightly unecjual. 



than flovver.s 



Outer glumes very unequal, 



than flowers 



23. 



(After G. 

 author 



Secale cereale. 



1 and 

 ^llorter 

 longer 



/r. /i/i/i iiiijf s 1 



PereiMiia! : fluwering glume entire 



A' 

 A' 



M irfii fii 

 rrixtiita 



