86 CYPERACEAE juss. (Cyperus.) 



inlnor, vacua. Rliacheola alata; alis hyalino-albidis. Filanienta 

 iria, pcrsisteniia, longissima, hyalino -albida. Styliis profunrJe 

 trifidus, longe exsertus, fuscescens. Aclienium longitudinc inter- 

 noilii rhacheolae. 



223. C. CARACASANUS. Culmo triangulari, glabro, basi fo- 

 liato ; foliis cuimum subaequantibus , planis , margine scabris; 

 umbeila simplici, 6-12-radiata ; radiis apice poljstachyis, inae- 

 qualibus; involucro 6-10-phyllo, longissimo; spicis per spicas 

 compositas oblongo-ellipticas dense congestis, patentissimis, li- 

 iieari-Ianceolatis, compressiusculis, 5-6-lloris; sqnamis elliptico- 

 oblongis, apice rotundatis, superioribus sub apice brevissime mu- 

 cronatis, carinatis, 13-nerviis, dorso ferrugineo-lineolatis, carina 

 viridi, niarginibus hyalino-albidis, infima subulato-sctacea ; aciie- 

 nio oblongo, iriangulari, luterne curvato, punctulato-scabriusculo, 

 apicato, laete castaneo, nitidulo, squama ^ breviore. Mariscus 

 flabelliformis Iltimb. et Knnth. Nov. Gen. 1. 215. — Caracas. 2^ 

 — Squamae duae inferiores cujuslibet spicae parvae, vacuae; 

 ex his superior obtusa; inferior subulato-setacea, spica brevior. 

 Rhacheola flexuosa, alata; alis hyalino-albidis. Stamina 3. Fi- 

 lamenta persistentia, hyalino -albida. Antherae lineari-oblongae, 

 obtusae, flavidae, ferrugineo-punctulatae. Stylus trifidus, fusces- 

 cens, exsertus. 



224. C. THYRSIFLORUS Schlechiend. et Chamisso in Linnaea 

 6. 24. {v. in herh. reg. Berol.) Culmo triaiigulari, glabro; foliis 

 culmo brevioribus, planis, margine scabris ; umbella simplici, 

 6-8-radiata; radiis inaequalibus, superne 30-50 -stachyis, spicas 

 compositas podunculatas referentibus ; spicis spicato-congestis, 

 patentissimis, laiiceoIato-Iineai"ibus, compressiusculis, subquin- 

 quefloris, subflexuosis ; involucro 3-6-phyIIo, longissimo ; squa- 

 mis remotis, oblongis, carinato-navicularibus, niucronatis, sep- 

 iemnerviis, pallide ferrugineis, carina viridi; achenio oblique li- 

 iicari-oblongo, apicato, triangulari, leviter curvato, punctulato- 

 scabriusculo, olivaceo, nitidulo, squama i vel | brcviore. — 

 Xalapa Mcxicanorum. 2^ — Rbacheola alata; alis hyalino-albidis. 

 Squamae duae inferiores cujuslibet spicae parvae, vacuac; ex 

 his infima lanceolato-subulata. Filamcnta 3, ])ersistentia, hya- 

 lino-albida, Stylus tripartitus, fuscus, longissimus. Praccedenti 

 simillimus. 



225. C. INFUCATUS. Culmo triangulari, glabro ; foliis cul- 

 mum subaequantibus, planis, membranaceis, niargine scabris ; 

 umbella simplici, sub9-radiata ; radiis apice polystachyis, pleris- 

 que elongatis ; involucro sub8-phyIlo, l(>iigi.ssimo ; spicis in spi- 

 cas coinpositas abbreviatas sutiovatas basi truiicatas congestis, 

 patentissimis, superioribus parum rellexis, linearibus, compres- 

 siusculis, flcxuosis, 6-8-floris ; squamis remotis, elliptico-oblon- 

 gis, apice rotundatis, breviter mucronatis , carinato-naviculari- 

 bus, subll-nerviis, pallidis, inter nervos ferrugineis, cariua vi- 

 ridi; achenio oblongo, triangulari, iuterue leviter curvato, lacte 



