104 CYPERACEAE juss. (Cyperus.) 



lac, inuHinerviae, subrubido-femigineae, nervo dorsali viridi. 

 (Beriol.) 



285. C. CALLOPHORUS Mey. Esseq. 32. Spicis glomeraiis, 

 oblongis vel oblongo-subrotundis ; spiculis oblongis ; involucro 

 longissimo, partiali setaceo. Mey. — Guiana. 2|. — C. glome- 

 rato et C. ligulari parum similis. (Mey.) 



286. C. DENSIFLORUS Mey. Esseq. 34. Spicis umbellu- 

 latis, subcompositis, ovato-oblongis; spiculis confertis, su- 

 bulatis ; involucro umbella longiore. — Esscquebo , locis pa- 

 ludosis inque aquis stagnantibus. — Radix bulbosa, subrepeus. 

 Culmi bipcdales et ultra, acute triquctri, glabri, inferiore parte 

 foliorum vaginis vestiti. Folia culmo paulum brcviora, carinata, 

 glabra, margine scabra. Umbella dccomposita, 6-9-radiata. Um- 

 bellulae subcorymbosae, e spicis 5 v. 6 brevissime pedicellatis 

 pollicaribus ovato-oblongis compactis, basi subramosis composi- 

 tae. Involucrum 3-8-phyIIum, umbellam duplo superans; invo- 

 lucella sub6-phylla, longitudine umbcllulae. Spiculae plurimae, 

 confertae, divcrgentcs, unguicularcs, lincari-subulatae, comprcs- 

 siusciilac, leviter curvatae, 12-li-florae. Glumae rcmotiusculae, 

 patentes, ovali-oblongae, obtusiusculae, convexae, striatae, niti- 

 dac, albescenti-brunneac, nervo dorsali latiusculo viridi distinctae. 

 Nux oblonga, acuta, triquetra, albescenti-brunnca, (Mey.) C. 

 dcnsiflorus Nees ah Esenh. in Mey. herh. nil nisi specimeu juve- 

 nile C. feracis videtur. 



287. C. JUBAEFLORUS Budge, Guian. 17. /. 21. Mey. 

 Esseq. 36. Culmo triquctro, nudo ; umbclla foliosa, compo- 

 sita; spicis oblongis, dense imbricatis; spiculis subulatis. 

 Rudge. C. dcnsiflorus var. (9 Nees ah Esenh. et Meyen mss. — - 

 Guiana. — Medium ferc tcnct intcr C. distantcm ct C. densi- 

 florum, scd ab utroquc diversus, ab hoc : involucro triplo lon- 

 giore, spicis ionge pcdicellatis (non conglobatis), spiculis duplo 

 brevioribus, paucifloris, ab illo: spicis triplo brevioribus spicu- 

 lisquc confertis, 4-;>floris. (Mcy.) 



288. C. AMENTACEUS Rudge, Guian. 16. /. 19. Roem. et 

 ScJiuli. Syst. 2. 178. Culmo compi'csso , nudo; umbella laxa, 

 gracili; spica divaricata; apicibus squamarum deciduis, amcnti- 

 formibus. Rndge. — Guiana. — Ilabitus Scirpi sylvatici, 2-3- 

 pcdalis. Radix fibrosa, nodulosa vcl tubcrosa, prolifcra. Culmus 

 tenuis, basi foliosus. Folia radicalia culmo brcviora, lincaria, 

 aspcra, subtus isihmis transvcrsis rciiculata. Umbella dccom- 

 posiia. Involucrum 3-, involucellum r)-phylluni, seiaceum, um- 

 bellulis multo brevius. Stigmaia 3. (Uudgc.) Sprcngel (Sysf. \, 

 227.) cum C. autumnali conjungit. 



>/ 289. C. RRUMNEUS Swartz. Flor. Ind. occ. 1. 116. Vahl. 



Enum. 2. 316. (HooJc. et W. Arnoll in Beechey's Voy. 3. 99?) 

 Culmo argute triquciro, siricto, glabro ; foliis latc lincaribus, 

 planis, creciis, rigidiusculis, glabris ; umbellac radiis crebris, 

 subdivisis , brcvissimis , sacpc nullis ; spicis quasi capitato-ag- 



