Cenchtiis. gramine.e -iA^ 



bus longe subulato-attenualis basi iu 3-4 fasciculos breviter connatis 

 inferne plumosis flosculis subduplo longioribus, glumis ovatis mem- 

 branaceis acutis inferiore flosculo duplo superiore tertia parte brc- 

 viore.glumella utriusque flosculi oblonga obluAiuscula mucronata O. 

 C. echinoides VVight (ubi?) ex Nees in Steud, Gram. 109. — C. 

 digijnus Ehrenb. Mss. 



Hab. in Arabia Mascatensi ad Nezou6 (Auch. 5429 !). 



Involucra eis C. montani non majora sed setoe elongata^. Species involucri 

 setis basi in fasciculos bi-eviter coalitis nec in cupulam lobatam connatis tran- 

 situm inter Pennisetum et Cenchrum priebens, huic facie polius adnume- 

 randa. 



Ar Geogr. Arabia tropica. 



AMHEPHORA (Schreb. Gram. II, 405. — Hypodceurus Hochst.). 



Spiculae 4-7 basi concrette earum glumis inferioribus coriaceis 

 dilatalis lanceolatis in involucrum spiculas includens ima basi. 

 connatis, sinubus inter eas rolundatis hiantibus. Gluma superior 

 membranacea a basi sublatiore subulata flosculis brevior. Flosculi 

 bini exterior neuler ad glumellam membranaceam reductus, superior 

 hermaphroditus glumella et palea membranaceis illa hanc includente. 

 SquamulPB nullse. Stamina 3. Ovarium glabrum. Slyli 2 terminales 

 elongati basi connati sligmatibus plumosis. Garyopsis elliplica glabra 

 glumellis inclusa libera. — Herb» involucris sessilibus in spicain 

 simplicem dispositis deciduis. — Genus ut et Tragus glumellis flos- 

 culi hermaphrodi membranaceis nec coriaceis a Paniceis discrepans 

 et ex cl. Bentham Tribui Zoysicanm a dilione nostra praeter ea 

 cseterum exule adnumeratum. 



1. A. Persica (Boiss. Diagn. Ser. I, 13, p. 44) perennis, 

 radice..., culmis geniculato-ascendentibus elalis superne longe denu- 

 datis. foliorum vaginis patule hispidis lamina glabra lineari plicata 

 glaucescente. involucrisiu spicam cylindricam dense imbricatis sessi- 

 ]ibusturbinato-canjpanulatis6-7-partilis,spicte rachide valde flexuosa 

 ad involucrorum insertiouem valde pilosa, involucri phyllis basi 

 sinubus edentulis sejuticlis coriaceis lanceolatis acuminatoattenuatis 

 extus dense tomentosis spiculas 5-6 includenlibus et eis longioribus, 

 gluma superiore a basi latiore subulata ciliatula spiculis tcrtia parte 

 breviore in spicula centrali deficiente, glumella et palen hyalinomem- 

 branaceis lanceolalis a^quilongis ea flosculi neutri oblusiuscula mar- 

 ginibus ciliata, flosculi hermaphroditi acutis glabris 2j.. 



Hab. in PersiA australi loco non notato (Auch !) 



Speciraen unicum vidi hujus speciei insignis, culmus bipedalis, splca tri- 

 pollicaris diam. 2 V^ lineas lata, invobicri pljylla inoequalia, majora fere 

 4 lineas longa. 



