64 CYPERACEAE juss. (Cyperus.) 



Culmus pedalis , acutc frlgonus. Folia ciilmo altiora, lincarla, 

 angusta, laxa. Involucrum univcrsale tripliyllum; foliolis mar- 

 gine lacvihus, duobus umbella longioribus; partiale nullum 

 vcl 1-2-phyIIum, selaceum, umbcllula brevius. Ochreae ohli- 

 que truncatae, purpiirascentes. Umbclla composita, patentius- 

 cula, 4:-5-rat1iata ; partialis 2-3-ra(]iata. Spicac 4-8, vix 2 lineas 

 longae, 10-12-fIorae, convexiusculae , ohtusae. Squamae conca- 

 vae, striatae, virides, margine macula alropurpurea. Affinis C. 

 sphaceltito, tlilfert: spiculis confertissimis, triplo breviorihus, ob- 

 longis, ncc lineari-lanceolatis : ochreis minime arislatis. (Vahl; in 

 cjus herb. bauil suppetit.) Auctoritate Vahlii hoc relatus. 



13) Papyrl. — Splcae lineares, compressiusculae, niultiflorae. 

 Squamae approximatae, carinato-naviculares, muticae vel 

 mucronatae, basl utraque in rhacheolam dccurrente, plerum- 

 que dorso virides, lateribus hyalino-albidae. Stamina 3. 

 Stylus longissimus. Achenium squania duplo triplove 

 brevius. Rhacheolae alis tardius solubilibus. — Gigantei. 

 Umhella ampla, composita, rarius dccomposila; radiipar- 

 tiales undiquc spicis obsiti, spicas rcferentcs compositas. 

 — ■ A sectionc 2>raecedente praesertim habitu dislincti. 



169. C. MADAGASCARIENSIS. Culmo trlaugulari, glabro, basi 

 vaginato (test. Willd.); umbfclla composita, ampla, multiradiata; 

 radiis creberrimis, longissimis, compressis, glabris, apice bi-trifi- 

 dis ; Involucro polyphyllo, abbreviato ; involucellis triphyllis, 

 brevibus; spicis spicato-dispositis, patenlissimis, gracilibus, 11- 

 nearibus, comprcssiusculis, 10-16-ttoris ; squamis obovato-elliptl- 

 cis, obtusis, muticis, carinato-concavis, dorso obsolete ncrvosls, 

 fcrrugiH<>is, carina viridi, latcribus hyalino-fuscescentibus, utra- 

 que basi decurrcnte , pallide hyalino-olivacca, soluhili ; achcnio 

 oblongo , apicato, externe convexo-angulato , interne concavo, 

 fusccscenti-cincreo, squama duplo triplove breviore. Papyrus 

 madagascariensis Willd. in Act. Acad. Berol. 1816. 72 el herh. 

 71. 1414. Cypcrus Papyrus niadagascariensis VaJil. herh. — 

 Madagascaria, Mauritius, Borbonia (Vahl. herb.). — Umbellae 

 radii ad basini ochrea Iruncata fcrruginea vaginati. niamenta 

 persistenda, hyalino-alblda. Anthcrae lincarcs, luteae ; appendice 

 acutiuscula, ferruginca. Stylus longissimus, trifidus, fuscescens. 

 Achenium nitidum. (Descript. sccundum spccimcn herb. pro- 

 prii; anfhcrae in spccim. Willd. obscrvafae.) 



170. C. PapyruS jL,J"7i. »S/Jec. 70. RoHh. (vram.32.(Schenchz. 

 Gram. 387. /. 8. /. 14. Mich. Qcn. 44. t. 10.) Vahl. Ennm. 2. 

 365 et herh. Ilenckel a DoTmersmarck. Adumbraliones plant, ti3. c. 

 tah. Culmo friangulari, glabro, basi vaginato (cx Willd.); um- 

 bella composifa, nuiltiradiafa ; radiis crcberrimis, clongatis , fili- 

 formibus, trigonis, glabris,- umbcllulis dcpaupcratis, 1-3-radiatis; 



in- 



