ijgQ PIUMINB^ Eragrostis, 



BRAGROSTIS (P. de B. Agr. 70). 



SpiculjB pedicellalffi a latere CQmpIanalse 8-mnltiflorae, flosculis 

 distiche imbricalis hermaphroditis, axi persistente. Glumse binai niera- 

 branacece carinalae uninerves flosculo proximo breviores. Glumella 

 et palea rauticEe membranaceae illa valide trinervia concavo-ventricosa 

 carinala una cum caryopside decidua, palea bicarinata ssepissime in 

 rachide dintius persistens. Squamulte binoe minutse obtusse vel trun- 

 cata;. Ovarium giabrum. Slyli bini terminales longiasculi, stigmata 

 breviter plumosa iateraliter ad basin floris emergentia. Garyopsis 

 ovato-subrotunda vel oblongo-elliptica non canaliculata macula hilar» 

 punctiformi notata libera. — Herbaj annuse vel perennes, spiculis 

 parvifloris in paniculam effusam vel spicalam dispositis. 



Sect. I. EUERAGROSTIS. — Palea glumella delapsd in rachide 

 diutius persistens. 



• Species annuse. 



+ Palea ad carinas scabrida. 



1. E. poaeoides (P. de B. Agr. 71) annua rarius perennana, 

 culmis erectis vel geniculato-ascendentibus, foliis linearibus planis, 

 vaginis pilosis ore barbatis, panicula? sequalis pateritis oblonga; rarais 

 solitariis alternis longiusculis, pedicellis capiliaribus divergentibus 

 spicul^ brevioribus, spiculis anguste lanceolato-linearibus 8-20-floris, 

 glumelia elliplica obtusa nervo laterali valido O- — Rchb, Germ. 

 flg. 427. — Poa Eragrostis L. Sp. 100. — HostGram. II, tab. 69. — 

 Briza Eragrostis Desf. non L. — E. viilgaris var. microstachija Coss. 

 et Germ. 



Hab. in cultis et herbidis totius ditionis a Groecia! ad Egyptum (Bove!), 

 Arabiam petream (Schimp. 266!), AfTgliaiiiam (Grifl!). 



Ar. Geogr. Europa media et australis a Belgio, Gallia medii et australi, 

 Germania ad Rossiam mediam, Sibiria Altaica, India orientalis, InsulsQ Gg.- 

 narienses, Africa borealis. 



2. E. megastachya (Link Hort. Berol. I, 187) annua, culmis 

 geniculato-ascendentibus, foliis linearibus, vaginis ore pilusis, pani- 

 culae ovato-oblongic ajqualis ramis sicpius solitariis alternis bre- 

 vissimis, pedicellis spicula multo brevioribus, spiculis [asciculalis 

 vel soiitariis lineari-oblongis io-20-floris, glumella oblonga vel retus& 

 sajpe mucronulala nervo laterali valido Q. Rchb. Germ. fig. 426. — 

 Poa Eragrostis Fl. Gr. tab. 73. — Briza Erogrostis L. S. 10.3. — 

 E. vntgaris var. megastachya Coss. et Germ. — E. nwjor Host Gram. 

 tab. 24. — Poa miittijlora Forsk. Descr. j). 21. — E. muitijlora 

 Aschers. 



