GUAMIN££ 0RIEV1ALES. 357 



Suppl. vol. I), p. 371. (Exclus, syn. Linn.) — Non sKgilops squarrosa, 



Linn. , nec Willd., nec Sclireb. (Confer supra, p ) — Spiculse 5-7- 



florœ , superiores inferioribus sensim longius aristatae (v. variatione 

 omnes exaristata?) ; aristis tenuibus ( fere ab ima basi setaceo-subula- 

 tis) , plus rainusve flexuosis, aut ecostatis (et tune dorso canal iculatis ) 

 aut uni-costatis. Gluma3 valvae (et rhacbis) dorso saltem ad costas se- 

 tulis brevibus aculeolata , aut in spiculis omnibus aut saltem in supe- 

 rioribus aristatœ (rarissime exaristatœ). — Stirps a plurimis auctoribus 

 vexata, propria uti videtur Numidise, Mauritanie et Péninsule Hispu- 

 nicae. Gallise vix rite indigena dicenda. 



Subgenus GOMOPYRUM, Nob. 



Spica abbreviata, crassa , conica v. conico-cylindracea , nodosa, 

 stricta, e spiculis 2v. Sovoideis ventricosis rhacheos internodiis 

 vix longioribus adpressis composita , spiculœ terminalis aristis 

 3-5 longissimis rigidis foliaceis lineari-lanceolatis quasi comosa. 

 Spiculœ-terminalis valvœ 1-o-aristatœ. Palea externa glumellœ 

 in spiculis lateralibus irregulariter 2-v. 2>-cuspidulata exa- 

 ristata, in spicula terminait uni-aristata, 

 Hujus sectionis speciem solam sequentem novimus. 



jEgilops comosa, Sibth. et Sm., Flor. Gr., vol. 1, p. 75, 

 tab. 94. — Fauché, in Bory et Ghaub. , FI. Mor. — Jaubert et 

 Spach, ///. Plant. Or., tab. 314. — Grescit Peloponneso et Ar- 

 chipelago Grœco. 



Subgenus UROPYRUM, Nob. 



Spica gracilis , elongata, sublinearis, flexuosa, laxe disticha , e 

 spiculis 7-9 invicem remotis rhacheos internodiis elongatis vix 

 aut ne vix longioribus oblongo-lanceolalis non ventricosis sub- 

 adpressis composita, spiculœ terminalis aristis longe bicaudata. 

 Glumœ valvœ in spiculis omnibus exaristatœ. Glumellœ palea 

 externa in spiculis lateralibus exaristata mucronata, in spiculœ 

 terminalis floribus duobus infimis longissime uni-aristata. 

 Sola nobis nota species sequens. 



jEgilops macrura, Nob., ///. Plant. Orient., tab. 315. — In 

 agro Halepensi legit Aucher Eloy. 



