352 J AUBERT ET E. «PAC H. 



paulominor,membranacea, hyalina, oblonga, v. lineari-oblonga, 

 carinato-binervia (carinis dorso saltem a medio ad apicem carti- 

 lagineo-marginatis et ciliatis v. serrulatis), marginibus inflexa, 

 dorso sub anthesi plus minusve complicata , apice truncata 

 v. retusa v. bifida, exaristata. Stamina 3. Pistillum etsQUAMUL^:- 

 hypogyn^e Hordeacearum. Garyopsis (Hordeacearum more in- 

 voluta et apice barbata , basi radicula prominente umbonata) 

 palese internse adhserens. 



Plantas annu?e , multicaules ; radice fibrosa. Folia angusta , 

 plana , striata , nervo medio subtus prominente ; radicalia elon- 

 gata ; caulina brevia. Vaginae involutse , ore pilosse , summaî in- 

 terdum ventricosse. Ligula truncata v. dentata, subcartilaginea, 

 brevissima. Caules simplicissimi , inferne geniculati et plus 

 minusve decumbentes; articulo summo elongato, demum longius 

 breviusve supra folii ultimi vaginam exserto. Spicae florescentia 

 ab apice deorsum progrediens : quavis autem spicula flores infimi 

 prsecociores. Rhaghis ad articulationes demum fragilis, v. qui- 

 busdam speciebus tenax ; articuli spathulati, dorso convexi, ante 

 spiculam concavi, margine aculeolati. 



iEgilopes valvis paleisve exaristatis aut uni-aristatis a Triticis 

 cerealibus solummodo gluma ecarinata (ideoque vix génère) 

 essentialiter differunt. 



Scbgenus SITOPSIS, Nob. 



Spica gracilis, elongata, sublinearis, rhachi parallèle compressius- 

 cula, espiculisl v. sœpins pluribus(interdum20- <: 25),rhacheos 

 internodiis longioribus (ideoque distiche contiguis v. subim- 

 bricatis ) oblongo - lanceolatis haud ventricosis subdivergentibus 

 [saltem sub anthesi) composita , vix conspicue caudata (aristœ 

 nempe spiculœ terminalis aristis spicularum lateralium superio- 

 rum paulo solum longiores et crassiores v. œquitenues sunt). 

 Glumœ valvœ in omnibus spiculis exaristatœ. Glumellœ palea- 

 externa uni-aristata v. in spiculis lateralibus infimis exaristata; 

 aristœ in spiculis superioribus sensim quam inferiores longiores. 



iEdLOPs bicorms, Nob., ///. Plant. Orient., tab. 809. — 



