556 GRAMiNEiE Eleusiue. 



ribus acuminatis convolulis rigidulis distantibus supremis brevis- 

 simis, ligula pilosa,spicis 3-5 digitatim fasciculatis brevibus crassius- 

 culis 5-8-floris, glumis lanceolatis glabris superiore acutissima, 

 glumella lanceolatl acumiuato-attenuata inferne pilosa nervis latera- 

 libus carinae approximatis %. E. Arabica Hochst et Steud. in 

 Schimp. exs. 



Hab. in desertis subtropicis Persiae australis et Regui Mascate (Aucher 

 5469! 5468!), Affghauiai ad Bolan (Griff !), Behitschioe (Stoclcs!). 



Culmi sistoloniforines interdura pedales valde proliferi, spicae vix pollicares 

 eis E. Indicce crassiores. 

 Ar. Geogr. Nubia, Arabia tropica, India boreali-occidentalis. 



D\tlTYLOCTENIUM (Willd. EDom, 1029). 



Spiculse secus spicse rachidis planae dilatalae faciem exterioreni 

 unilaterales alternse, sessiles a latere compressaj :2-phiri-florae her- 

 maphroditse flosculo superiore tabescente. Glumje binae subtequales 

 carinato-compressse membranacese flosculis brevlores superior 

 mucronato-aristala. Glumella carinato-navicuiaris ex apice aut paulo 

 infra apicem niucronato-aristata, palea bjcarinata. Squamula} biuce 

 truncato-!2-3-lob8e glabra). Slyli bini terminales elougati, stigmata 

 plumosa. Caryopsis libera glumellis obtecta subrotunda a latere sub- 

 compressa hiio punctiformi notata transversim rugosa pericarpio 

 fruslulatim secedente. — Herbae spicis digitatim fasciculatis. — Genus 

 ab Eleiisine %\\im\^ et glumellis aristatis vix dislinctum. 



l.D. .ffigyptiacum (L. Sp. 106 sub Cynosuro) m\m\xm,Q,w\m\^ 

 inferne geniculalis et prostratis sfepe prolifere ramosis et ad nedos 

 radicantibus, foliis laliuscule linearibus brevibus planis vaginisque 

 sa)p»us cilialis, spicis 8-5 digitatis patentissimis brevibus crassiuscu- 

 lis rachide excurrente breviter mucronatis, gluma inferiore oblonga 

 acuta superiore rnajore ovata apice rotundala oblique et abrupte 

 arista tequiljonga obsita, glumclla breviter niucronato-aristala nervis 

 lateralibus obsoletis ©. D. jSiqyptiarAmi Desf. Atl — E. crnciata 

 Lam. III. tab. 48, flg. % — D. mucronatim W. loc. cit. — . Trin. 

 lc. tab. G9. — D. prostratam W. loc. cit. — D. Figarei Notaris Sem. 

 Gen. 1847. 



Aab in cultis, ad vias, Grajcioe (ex Sibth.), Egypti inferioris (Del. Ehr 1 

 Sieb! etc), in Oasibu.s (Aschers !), Syria littoraH ad Sidonem (Gaill!), 

 Beluttfchia (Frere). D. aristatum Link Arabi» tropica; et Abyssiniae incola 

 erronee in Egypto indicatum fuit (Asch. in litt,) 



Ar. Geogr. Sicilia et Ilaha au3tralis, Nubia, Abyssinia, Arabia, P. B. Spei. 

 India, America tropica. 



