Elionurus. ,<iR\msKJE 467 



ibarbatis laminis slrictis linearibus aciiminatis convolutis, spic^ ler- 

 minali vagina elongata folii supremi abbreviati saepe suffulta densi- 

 flora dense et longe sericeo-argentea, rachide fragili, gluma exteriore 

 densius et longius hirsuta valde patenti longius acumiiiata apice 

 interdum bifida ^. Del. Eg. tab. 14, fig i. — E. hirsutus Munro ex 

 B"'. — Lasmrus hirsutns Boiss. Diagn. Ser. 11, 4, p. 146. — Coilor- 

 rhachis hirsuta Brongn. in Duperr. Voy. — Ischoemum hirsutum 

 Nees. — Saccharum hirsutum Forsk. Descr., p. 16. 



Hab. in arenosis desertoruin Egypti (Del.), prope Kahiram (Forsk , Ehrb!, 

 Cramer ! Barbey!), in desertis Arabioe Petre» (Bove 18!), regno Mascate 

 (Auch. 54G0!), AtTghania (GriCf!) et in valle Kurram (Aitch !), Belutschii 

 (Stocks!). 



Ar. Geogr. Nubia, Abyssinia, Arabia tropica, regio Scinde Indi». 



HEMARTHRIA (R. Br. Prodr. I, 207). 



Spiculfe in racheos compressffi articulatte excavationibus binse 

 altera sessilis immersa gluma superiore prseter apicem rachidi 

 adnata, allera pedicellala pedicello rachidi adnato glumisbinis liberis, 

 utraque fertilis unitlora flosculo hermaphrodito interdum glumella 

 unica floiis neutri basi stipato. Glumfe coriacece oblongo-lanceolatfB 

 concaviusculai in spicula sessili rachidi opposilai iii pedicellata ei 

 paralleloe. Glumellse et palea tenuiter membranaceffi illa oblonga 

 acuta, palea anguslior obiongo-linearis. Squamula} bince transverse 

 latiores apice truncatcfi. Stamina tria. Slyli terminales, stigmata 

 longa plumosa lateraliter versus medium lloris emergentia. Caryop- 

 sis oblonga a dorso compressa ad basin ventris hilo puncliformi 

 notata gluinellis obtecta sed libera. — Herba pereniiis spiculis in 

 spicas lineares subcompressas solitarias vel in axillis fasciculatas 

 dispositis. 



1. H. fasciculata (Desf. Atl. I, p. 110, tab. 36, sub Rotthoellid) 

 perennis, culmis ascendentihus vel decumbenlibus ad nodos radican- 

 tibus clongatis, foliis brevibus glabris carinatis canaliculalis, vaginis 

 compressis aperlis ore pilosulis, spicis in foliorum axillis 3-6 fascicu- 

 latis pedunculatis basi vagina spathaeformi suffullis rectis vel incur- 

 vis subcompressis, gluma exteriore breviter lanceolala acula 2;. 

 H. fascicnlata K"' Gram. I, 153. — Rottboellia sfathacea Ten. 

 Prodr. p. 2. 



Hab. in herbosis humidis vel inundatis regionis maritim^, Lydia prope 

 Smyrnam (,Bal. 141), Syria littoralis ad Sidonera (Gaill ! Bl!), prope Bery- 

 thum (Peyron!), Egyptus inferior ad Damiattam (Sieb! Schweinf!). 



/3 gracilis. — Spicae tenuiorcs abbrevialte vix pollicares. 

 Hah. in palndosis 1'onti Lazici ad ostiuzii fluvii Of. (Bal!), 

 Ar. Geogr. Hispania australis, Sicilia, Regnum Neapolitanum, insuloe Ca- 

 marienses, Africa 'borealis. 



