62 CYPERACEAE juss. (Cyperus.) 



jora; iinibella coniposiia, subl3-radiata: radii 4-11-stacbyi: in- 

 volucrum subpentapbyllum, longissimuni; squamae ovatae, ob- 

 tusae, mulicae, 7-nerviae, nervis sub apice evanescentibus, dorso 

 virides, lateribus byalino-albidae , epunctatae; rhacbeola alata ; 

 .stamina, stvlns ct fructus prorsus ut in speciminibus Indiao 

 orientalis. 



163. C. CILIATUS Schlechfend. et Chamisso in Linnaea 6. 25. 

 (v. in herh. reg. Berol.) Culmo triangulari , glabro , basi svib- 

 bulboso-incrassato, folioso ; foliis cuimum subaequantibus, planis, 

 marginc carinaque hispidulo-scabris; umbclla simplici, 5-7-ra- 

 diata; radiis apice polystachyis ; involucro sub6-phyllo, longis- 

 simo; spicis capitato-spicatis , lanceolatis , compressis , sub5- 

 iloris, patentibus; squamis ovatis, compresso-cai'inato-naviculari- 

 bus, breviter mucronatis, novemnerviis, cai'ina hispidulo-scabrci, 

 dorso viridibus, utrinque ferrugineo-lincolatis, lateribus luteo- 

 fuscescentibus; achenio (immaturo) obovato-elliplico, triquctro, 

 apicato, punctulato , fuscescenti-stramineo , squama dimidio bre- 

 viore; rbacbeola alata. — Mexico. 2j. — Culmus sulcatus. Squamae 

 duae inferiores cujuslibet spicae parvae, vacuae. Filamenta 3, 

 persistentia, longissima, hyalino-albida. Anlherae lineares, acu- 

 tiusculae, flavidae, angulis sulcisque ferrugineis. Stylus profunde 

 trifidus, ferrugineus. Rbacheola flexuosa, alata, viridula, ferru- 

 gineo-punctulata ; alis angustis , hyalino-albidis. C. esculcnto 

 affinis videtur. 



164. C, BIDENTATUS Vahl. Enum. 2. 330 et herh. (specimen 

 juvenile.) Culmis caespitosis,triangularibus, glabris ; foliis culmo lon- 



gioribus, membranaceis, planis, marginescabriusculis; umbella sim- 

 plici, pluri- (7 ?-) radiala ; radiis inaequalibus, apicc polystacbyis; 

 involucro pentaphyllo, longissimo ; spicis in spicam compositam 

 ellipticam arcte conferlis, oblongis, compressis, patentibus, sub- 

 trifloris ; squamis subrotundo-ovaiis, carinato-navicularibus, acuto- 

 mucronatis, novemnerviis, pallidis, carina viridi; ovario oblongo, 

 triangulari. — Senegal? (Dupuis cum Vahlio communic.) 2^ — 

 Culmi erecti, basi foliati. Squama infima cujuslibet spicae par- 

 va, vacua. Stamina 3. Filamenta hyalina. Antherac oblongae, 

 acutiusculae, flavae. Stylus trifidus, fuscescens, exsertus. Affi- 

 nis C. esculento ; affinior C. conferto? 



165. C. PIIYMATODES Miihlenb. Gram. 23. Link Jahrh. 3. 

 87. Torrey, Flora of ihe Unif. Slat. 1. 62. IVilld. herb. n. 1377. 

 Radicc ropcnie; fibris apicc tuberosis; culmo iriangulari, glabro, 

 basi foliaio ; foliis cuhuo brevioribus, planis, marginc scabris ; 

 umbclla snbcomposita, subseptemradiata; radiis longioribus apice 

 flcxuosis, subramosis ; involucro subtetraphyllo, umbellam supe- 

 rante; spicis subdenis, spicaio-disiichis, elongatis, iinearibus, com- 

 pressis, 22-30-floris; squamis ovato-cllipticis, carinaio-navicula- 

 ribus, sub apice breviier mucronatis, subseptemnerviis , fusces- 

 centi!)jis, margine pallidis ; achcnio oblongo, trigono, apicato, 

 punctulato, fuscesccnte, squama ^ brcviorej rhacheola alata. C. 



