122 CyPEUACEAE juss. (Mariscus.) 



iii planta a Bcyrichio sub iiomlne M. ovularls niissa, epuncta- 

 tae, hyalino-albidae, carina viridi. Spicae in Marisco echinato a 

 Beyrichio uiecum communicato, 6-florae (6-S-florae, fidc Eil.); 

 squamae epunct^tae, carina viriiles, uno latci'e hyalino-albidae, 

 altero hyalino-lutescentes. Cyperus croceus Vahl. herb. differt 

 a M. ovulari Ejusd. uonnisi colore squamarum ; descriptio se- 

 quitur: Spicae triflorae (nec 4-6-florac, ut in Vahl,), florc ter- 

 uiinali steriii. Squamae fuscescenti-luteae, margine apiceque hya- 

 linae^ 11-nerviae, carinatae, dorso obsolete rerrugineo-lineolatae. 

 Achenium ohlique oblongum, triangulare, interne leviter curva- 

 tum^ apicatum, castaucum, punctulato-scabriusculum, squama |r 

 brevius. 



15. M. CAPENSIS Schrad. Anal. Cijper. 13. Nees ah Esenb. 

 in Limiaea 7. 520.9. 286. 10. 139. Cuhno basi bulboso, glabro; 

 foliis culmo brcvioribus, margine scabris; unibefla 3-4-radiata; 

 capitulis oblongis, solitariis ; spicis lanceolatis, bifloris: involu- 

 cro subpcntaphylio, umbella triplo ferc iongiore ; glumis mucro- 

 nuLitis; nucuhi trigoua. Schi-ad. Kyllingia capeusis Sfcud. in 

 Bot. Zeil. 1829. 153. — Cap. b. spei. 2\. — Proximus M. ovu- 

 lari. (Schrad.) 



16. M. CYLiNDRrcus ElUoit. Bot. 1. 74. Ktdt. Gen. 245. Culmo tri- 

 angulari^ glabro; foliis culmobrevioribus;, rigidulis, planis, margine 

 scabris, glaucescentibus; spicis compositis subdenis, cUipticis, in- 

 aequaliter peduncuiatis, umbcllato-congestis; involucro subhep- 

 taphyllo, umbellam superante; spicis arcte confertis, subulatis, 

 bifloris (2-5-floris, fide Ell.), patentissimis; squamis oblongis, 

 acutiusculis, cariuatis, multinerviis, fuscescenti-lutescentibus, carina 

 viridula ; ovario triangulari; achenio triangulari (fide Ell.). — 

 Carolina, Georgia. 7]^ — Spicae iu specimine suppetente, a Bey- 

 richio mi«so, subtriflorae, flore terminali ad squamam mino- 

 rem vacuam redacto. Fructus milu havul suppetunt. Dilfert a 

 M. retrofracto nonnisi spicis (junioribus) patentissimis, nec re- 

 ilexis ; poiius cum eo conjungendus? Sprengel (Syst. 1. 234.) 

 huc ducit cum? Kyllingiam cyperinam Retz. 



17. M. RETROFIVACTUS Vahl. Enum. 2. 375 et herb. Pursh. 

 Flor. 1. 58. EU. Bot. 1. 74. Torrexj. Flora 1. 57. Culmo triangu- 

 lari, glabro ; foliis culmo brcvioribus, rigidis, carinato-planis, 

 margine scabris ; spicis compositis subnonis, oblongis, plerisque 

 louge pedunculatis, umbellato- congestis ; involucro subpenta- 

 phyllo, umbellam superante; spicis arcte confertis, subulatis, bi- 

 floris, retrofractis, terminali erecta; squamis oblongo-Ianceolatis, 

 acutiusculis, cariuatis, 9-11-ncrviis, fuscesccnti-Iutescentibus, ca- 

 rina viridula; achenio (immaturo') oblongo, triangulari, intemc 

 leviter arcuato , apicato, punctulato-scabriusculo, fuscescente, 

 squama ^^ v. ^, brcviore. Scirpus retrofractus JAnn. Spec. 1. 74. 

 (Pluk7i. t. 415./. 4.) f!aerln. Fruct. 1. 12. t. 2. /. 5. — America 

 borealis. 2|. — Culmus basi foliatus et subbulbosus. Spicao 

 subtriflorae, squama tcrminali vacua. Rhachcola alata ; alis 



