Cyperus. cyperace^ 365 



folialis, foliis lineari-lanceolatis culmo brevioribus, spicnlis ad unura- 

 quemque umbell£e3-4 radiaUT radium brevem 4-5 congeslis oblongis 

 •corapressis 8-10-floris, involucri phyllis 3-4 valde inaequalibus raajo- 

 ribus spiculas longe superantibus, glumis laxiuscule imbricalis ovato- 

 oblongis subquinquenerviis carina anguste viridi laleribus strami- 

 neis margine late roseo-membranaceo, stylo bifido, nucula hevi 

 lenticulari-orbiculata gluma plus dimidio minore %. 

 Hab. in paludibus ad Poti Golchidis (Rehraann!). 



PedaliSjUmbellae radii majores vix pollicares interior submillus, spiculae 

 3-4 lineas longae. A C. globoso spiculis abbrevialis, glumis latioribus roseo- 

 marginatis et imprimis nuculse forma distinctus. C. tremulus nmbelia ampla 

 supradecomposita, glumis dissitis obovatis obtusissimis late albo-marginatis 

 longius dittert. 



4. G. tremulus (Poir. Encycl. VII, p. 264. — Bock. Linn. 35, 

 p. 469) radice fibrosft, culmiselatis triangularibus, foliis planis culmo 

 brevioribus, umbelUe decompositce radiis numerosis insequalibus, 

 involucri phyllls late linearibus radios longe superantibus, spiculis 

 anguste linearibus multifloris laxiusculis, glumis dissitis obovatis 

 obtusis prteter carinam virentem subtrinerviam stramineis late albo- 

 marginatis, staminibus binis, stylo bifido, nucula obovata subcora- 

 pressa punctulata gluma dimidio breviore %. C. stachyopJtorns G. 

 Koch Linn. XXI, p. 623 et hcrb! spec. juvenile. — C. retiisus Nees. 

 — C. Hochstetteri Nees et Bock. Linn. XXXV, p. 471. 



Hab. prope Artuschin ad littora Grusise in Transcaucasia (G. Koch in herb. 

 Berol !). 



Specimen etsi non sat evolutumcum Abyssinicis et Indicis bene congruens. 

 Planta sa'pe 2-3-pedaIis radiis majoribus 3-4 pollices longis. C. flavicomus 

 Mich. Americanus speciflce non dilYere videtur. 



Ar. Geogr. India, Abyssinia, Africa tropica, America. 



5. C. polystachyus (Rottb. Descr. 39, tab. 2, flg. I) peren- 

 nis?, caudice brevi fibrillifero, cnlmls triquetris inferne foliatis, 

 foliis linearibus acuminatis culmo saipius brevioribus, umbellfe radiis 

 plurimis brevissimis spiculas corymboso-fasciculatas gerentibus in 

 capitulura densum sessile congestis,involucri phyllis 3-4 ineequalibus 

 capitulum longe superantibus, spiculis compressis anguste linearibus 

 multifloris, glumls arcte imbricatis oblongo-lanceolatis acutiusculis 

 prseter carinam pallide virentem subtrinerviam pallide stramineis, 

 rachide angulata, slaminibus subbinis, stylo bifido, nuculis breviter 

 oblongo-cyiindricis subcompressis gluma duplo brevioribus. — C. 

 fascicularis Lam. III. tab. 38 fig. 2. 



Hab. in humidis regionum calidiorum, Egyptus in Oasi magna (Schweinf !) 

 Oasi parvcl (Aschers !), ad Qa?r Dachel (Rohlfs !). 



Ar Geogr. Italia australis, Africa borealis, tropica et australis, India, Ame- 

 rica tropica, Nova Hollandia. 



