38 C. B. Clarke: 



Cyperus guatemalensis Steud. radice fibrosa, culmo 3-pedali, 

 acute triquetro; foliis cuimum aequautibus, 2 3'" latis, lineari-lauceo- 

 latis; bracteis pluribus umbella ampla decomposita multoties longioribus; 

 umbellulis pluriradiatis; involucellis 3-5 eas subaequantibus; spiculis 

 patentissimis, teretiusculis, 5-floris; glumis acutis, pallidis. 



Oyperus guatemalensis Steud. Cyp. (1855) p. 47. 



Hab. in Gkiadeloupe: Kegel n. 1270 ex Steudel. 



Cyperus miliifolius Kunth, culmis mediocribus, 1 4 dm. longis; 

 umbella contracta aut in caput 1 compositum condensata; ceteroquin ut 

 C. simplex. 



Cyperus miliifolius Kunth Enum. II (1837) p. 29; Boeck. in 

 Linnaea XXXV (186768) p. 532; Poeppig et Kunth ms. ex Kunth. 



Cyperus tenuispicatus Boeck.I in Linnaea XXXV (1867 68) 

 p. 525. 



Hab. in Hispaniola: Mayerhoff fide Boeckeler (verisim. planta 

 guianensis). 



Distrib. Guiana, Amazonas convallis, Brasilia. 



Cyperus navicularis Steud. culmo apice triquetro; bracteis pluri- 

 bus, angustis, umbellam compositam multoties superantibus; radiis uume- 

 rosis, 1 l 1 /^" longis, apice paniculato-polystachyis; spiculis 12 24- 

 floris; glumis distinctis, obsolete 3 5-nerviis, lateribus sordide ferru- 

 gineis; nuce fusca, tenui, rugulosa, quam squama plus 2-plo breviore. 



Cyperus navicularis Steud. Cyp. (1855) p. 32. 



Hab. in Cuba: fide Steudel. 



Cyperus praemorsus Boeck. culmo 4 7" longo, tenui; foliis 

 culmo duplo brevioribus, angustis, rigidis, marginibus revolutis; radiis 



5 6, usque ad X J 2 1" longis; bracteis 4, umbellam parum superanti- 

 bus; spiculis 3 5, spicato-fasciculatis, 6'" longis 3 / 4 '" latis, lanceolato- 

 linearibus, 16 10-floris; giumis convexis, 7-nerviis, pallide ferrugineis, 

 vix mucronatis; rhacheola alata; stylo 3-fido; nucc obovata, triquetra, 

 quam gluma plus duplo breviore, fusca. 



Cyperus praemorsus Boeck. in Flora XLII (1859) p. 436 hls . 

 Hab. in Jamaica: Macnab e Boeckeler. 



Obs. Species silentio serius a cl. auetorc damnata; e Griseb. Flor. 

 p. 565 = C. rotundus Linn. 



Cyperus subanceps Boeck. culmo pluripedali; umbella composita: 

 bracteis 4, usque ad 10 poll. longis 3 lin. latis; spiculis numerosis, spi- 

 catis, bifariis, patentibus, leviter incurvis, linearibus, paullo compressis, 



6 lin. iongis, 3 / 4 lin. latis, 30 24-floris, glumis dense imbricatis, bre- 

 vissime mucronatis, tlavido-rufis; rhachillae alis obiongis, acuminatis. 



