5^4 GRAMiNEiE Agrostts . 



Hab ad aqufts, in humidis regionis inferioris totius ditionis a Graecia ! et 

 ejusinsulis! ad Arabiam petream (Schimp. 289 ! ), Egyptum inferiorem (Wiest I 

 Asch!), Macedoniam (Friv!), Tauriam (Stev.), Transcaucasiam (G. A. Meyer! 

 Hoh:j,'persiam mediam ad Kaschan (Hausski), Belutschiam (Stocks I). 



Ar. Geogr. Regio mediterranea totius Europae et Africae borealis, Arabia 

 tropica, insulai (Janarienses et Azoricae, America borealis calidior. 



2. A. subaristata (Ailch. et Hemsley Journ. Linn. Soc. XIX, 

 p. 192, lab. 29) perennis glabra, culmis basi stoloniferis crassiusculis 

 Jaevibus, foliis planis acutis supra scabridis, ligula maxima, pauiculae 

 elongalse densiusculae ramis numerosis subverlicillatis a basi spicu- 

 liferis, pedunculis puberulis spicula brevioribus, glumis sequalibus 

 lanceolatis mucronato-aristulatis undique puberulis, glumella glabra 

 dorso supra medium arisla longiuscule exserta leviter geniculata 

 aucla, palea late ovata glabra ^. 



Hab. ad margines agrorum districtus Kurara AfTghania? 7000' (Aitch. 1253). 

 Non vidi. 



Ex cl. auctoribus aflinis A. verticillatce a quA glumis aristato-mucronatis 

 et glumella dorso aristata differt. 



3. A. alba (L. Sp. 93) perennis, radice sapius slolonifera, culmis 

 ascendentibus vel basi decumbentibus et ad nodos radicantibus, 

 foliis omnibus linearibus planis, ligula oblonga, panicula viridi vel 

 purpurascente oblongo-lanceolata laxiuscula ramis asperis inaequali- 

 bus subanthesi patentibus demum contractis,glumis lanceolatis acutis 

 subfcquilongis carina scabris, glumella glumis breviore apice denti- 

 culata mutica paleam duplo superante 2;. A. stolonifera L. Sp. 93 

 excl. var. a. — Koch Syn. — Host Austr. tab. 57. — A. polymor- 

 pha (Huds. ex parte). 



Hab. in pratis,arenosis humidis,proeter partes ditionis magis septentrionales 

 montana et alpina, Graecia in montibus Kyllene et CEta 3000'-6000' (Heldr!). 

 Cappadocia ad Gaesaream (Bal!), Galaoniae mous Bervtdagh «000' (Bal!), 

 Caucasus!et Transcaucasial, littora Gaspia in ditione 'Talv^ch (Haussk!>, 

 Libanus (BI I Schweinf!), mons Pir Oniar Gudrun Kurdistaniai Persicaa 

 (Haussk!), Aflfghaniae montes (Griff! Aitch!). 



/3. scabriglumis. — Glumae non carina tantum sed undique sca- 

 brse. — A. scabrighmis Boiss. et Reut. Pug. 125. — A Sinaica Boiss. 

 Diagn. Ser. I, 13, p. 46. 



Hab. in pascuis subalpinis montis CEi^i Phtiotidis 5.500-5300' (Heldr !), regione 

 aipmaniontis Argtei Cappadoci® (Bal!), Libano ad Brummana (Bl !), ad 

 aquas montis Sinai (Bovel). 



Hrec varietas in montanis Hispanise, Siciliae, AmericA- boreali quoque 

 cr6scii. 



y. aristnta. — Culmi elati, folia lata A. albm var. gigantece. — A. 

 gigantca Gaud. cui praeler glumellam arista recta ea sublongiore 

 auctam simillima. 



Hab. ad rivulos Ponti Lazici supra Khabackar (6000' (Ball). 



Ar. Geogr. Europa omnis, Sibiria, Tibetia, Africa borealis, America borealis. 



