|() C. B. Clakke: 



Glumae nuciferae distantes. (Plantae graciles. Inflorescentia 

 monocephala aut umbella depauperata. Spiculae parvulae.) 

 Folia 4 mm. lata; glumae nucigerae parum striatae 



54. M. Urbani C. B. Clarke. 

 Folia vix 2 mm. lata; glumae nucigerae valide striatae 



Umbella depauperata; spiculae 4 5 mm. longae 



55. M. tcnuis C. B. Clarke. 

 Caput unicum; spiculae 2 mm. longae 



56. M. capillaris Yahl. 

 -j*-j- Umbella composita; spiculae rubro-bruneae turgidae 



57. M. rufusH.B.X. 



Series 2. Multiflorac. Spiculae 3 12-(saepius 5 10-) nucigerae. 



Spieulae lineares, fere subulatae . . 58. M. flabclliformis H. B. K. 

 Spiculae viridi-lutescentes, oblongae, compressae 



59. M. confcrius C. B. Clarke. 

 Spiculae bruneae aut rubro-bruneae, oblongae. 



Umbellae radii 2 cm. longi . . 60. M. bruneus C. B. Clarke. 

 Umbellae radii 2 6 cm. longi 



Spiculae spicatae, patulae . . 61. M. jiHrpurasccnsG.B. Clarke. 

 Spiculae fasciculatae .... 62. M. brixacus C. B. Clarke. 



42. Mariscus Sicberianus Nees, glaber, perennis, rhizomate nullo 

 aut brevissimo noduloso; culmis 3 8 dm. longis, basi incrassatis; foliis 

 cum culmo fere aequilongis, 3 6 mm. latis, viridibus; umbella simplice, 

 radiis 5 12, usque ad 3 10 cm. longis, proventu rectis; bracteis 

 5 10, usque ad 1 2 dm. longis, cum foliis consimilibus; spicis soli- 

 tariis, 2 3 cm. longis, 7 9 mm. latis, exacte cylindricis, nudis aut 

 obscure bracteatis; spiculis numerosis, fructiferis lanceolatis, densis, 

 undique rectangulatim patulis, 1 4- (saepius 3 1-) nucigeris, lutes- 

 centibus ant pallidis; gluma ima setacea glumis nucigeris breviore, 

 secunda oblongo-truncata quam ima breviore, tertia ovato-oblonga, 

 carinata, vix acuta, 2 3 mm. longa, proventu circa rhachillam con- 

 voluta nucem retinente; staminibus 3 2, antheris ecristatis; nuce cum 

 2 / 3 3 / 4 parte glumae aequilonga, trigona, oblonga, cinereo-nigra; stylo 

 cum y 2 parte nucis aequilongo, ramis 3 linearibus breviter exsertis. 



Mariscus Sieberianus Nees! in Linnaea IX (1S34) p. 286; C. B. 

 Clarhe in Hook f. Fl. Brit. Ind. VI p. 622. 



Mariscus umbellatus Vdhl Emun. II (1S06) p. 376 yro parte; 

 Kunth Enum. II p. 118 pro majore parte. 



Cyperus ovularis Boeck.! in Linnaea XXXVI (1869 70) p. 376 

 var. a partim; nec Torrey. 



Cyperus cylindrostachys Boeck.! in Linnaea XXXVI (1869 70) 

 p. 383 pro magna parte. 



Cyperus umheltatus var. e cylindrostachys C. B. Clarke in Journ. 

 Linn. Soc. XXI (1884) p. 201 pro magna parte. 



