eeO GRAMINEiE AffTOpi/i-Um. 



snpremi mascnli vel tabescenfes. Glumse binje coriacese subfeqnMles 

 flosculis breviores lanceolatse vel linearesnon ventricosse concavae rel 

 carinatte S-plurinervife muticse vel aristalse. Glumella glumis similis 

 mutica vel aristata multinervis nervis apice conniventibus, palca mem- 

 branacea bicarinata carinis ciliatis Squamulse binae carnoso-membra- 

 naceae cilialfe. Stamina tria. Stigmata bina subsessilia plumosa latera- 

 liler ad basin floris emergentia. Caryopsis oblonga ventre excavata 

 apice pilosa concava hilo lineari elongato glumellis plus minus adhse- 

 rens. — Genus a Tritico spiculis compressis, glumis non ventricosis 

 nec apice oblique truncatis, glumeli;£ inferioris nervis apice conni- 

 ventibus distinctnm. 



Sect. I. EUAGROPYRUM. — Spiculae in rachide elongala plus minus 

 dissitae erectae. Glumre saepius plurinerviae concavse non 

 carinat8e. — Species perennes. 



* Glumella in aristam plus minus elongatam divaricatam producta. 



\. A. longearistatum,cespitosum, radice fibrosa, culmis erec- 

 tis fere tota longitudine foliosis, foliis rigidulis linearibus convolulis 

 glabris vel sub lenle retrorsum tomentellis, spiculis 4-7-sessilibus 

 internodiis longioribus 9-l:2-floris distiche complanatis superne 

 Jatioribus spicani oblongam supernc ob aristas divergentes dilatatam 

 formantibus, glumis lineari-lanceolati? acutis vel breviter attenuato- 

 mncronatis snbinaequalibus 3-5-nerviis flosculo inferiori brevioribus 

 subinfpqualibus, rachide fragillima, flosculis subdissilis callo ovato 

 basi instructis, gluniellci lineari lanceolata laevi superce trinervi ner- 

 vis lateralibus fere obsoletis medio cras.«oin arislam inferne crassam 

 et subcanaliculatam margine scabram glumelia sextuplo longiorem 

 divergentem abeunti %. Brachypodinm longearistatum Boiss. 

 Diagn. Ser. I, 7, p. 127. — Jaub. el Sp. III. Or. iob. 199. 



Hab. in rupestribus et glareosis alpinis Persia; australis in montibus Kuh 

 Daeiia rKy. (595! et 755!), Sawers etKuh Nur lUOOO' (Hauss^I), Persia boreali 

 in monte Elamout (Auch. 54121), in monte Totschal (Ky. 509!). 



/3. Haussknechtii. — Spiculae pauciores (3-4) inter se valdedistan" 

 tes internodio saepe breviores. 



Hab. in Persiai occidentalis mentibu s Kellal, Ssebselcub, Elvend, Avroman 

 et Scliahu in regionibus altioribus (Haussk !). 



y. Aitchisoni. — Culmi bumiliores, glumella sub lente pruinosa 

 superne obsolete suliquinquencrvia. — Brachypodium Tataricum 

 Munroin Aitch. Cat. Journ. Linn. Soc. 1880, p. 1*09. 

 Hab. ad Sergal et Sikaram vallis Kurum Affghanise 10000'-14000' (Aitch. 



Culmi formsR typicae pedem et amplius longi, spicnlse cum aristis 2 pollices 

 et amplius long;p glumella sex lineas aristi 1 Va-2 polUces longa. Facies 

 ^romirigidi. Species inter Brachypodium etAgropyrum subdubia sed huic 



