40 C. B. Clauke: 



§§ Glumae nuciferae distantes. (Plantac graciles. Inflorescentia 

 monocepliala aut umbclla depauperata. Spiculae parvulae.) 

 Folia 4 ram. lata; giumae nucigerae j)aruin striatae 



54. 31. ürhani C. B. Clarke. 

 Folia vix 2 mm. lata; glumae nucigerae valide striatae 



Umbella depauperata; spiculae 4 — 5 mm. longae 



55. M. tenuis C. B. Clarke. 

 Caput imicum; spiculae 2 mm. longae 



56. M. capillaris Vahl. 

 ff Umbella composita; spiculae rubro-bruneae turgidae 



57.* 31. ru f US H.B.K. 



Series 2, 31ultiflorae. Spiculae 3 — 12-(saepius 5 — 10-) nucigerae. 



Spiculae lineares, fere subulatae . . 58. 31. flabelliformis H.B.K. 

 Spiculae viridi-lutescentes, oblongae, compressae 



59. M. conferius C. B. Clarke. 

 Spiculae bruneae aut rubro-bruneae, oblongae. 



Umbellae radii — 2 cm. longi . . 60. 31. hnmeus C. B. Clarke. 

 Umbellae radii 2 — 6 cm. longi 



Spiculae spicatae, patulae . . Gl. 3LpurpurascensO.B.G\a.v\Q. 

 Spiculae fasciculatae .... 62. 31. brizaeus C. B. Clarke. 



42./Mariscus Siel)eriaiius Nees,) glaber, perennis, rbizomate niillo 

 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 bracteatls; spiculis numerosis, fructiferis lanceolatis, densis, 

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

 centibus ant palUdis; gluma ima setacea glumis micigeris 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; uuce cum 

 2/3 — sy^ parte glumae aequilonga, trigona, oblonga, cinereo- nigra; stylo 

 cum Y2 parte nucis aequilongo, ramis 3 linearibus breviter exsertis. 



3Iarisciis Sieberianus Neesf in Linnaea IX (1834) p. 286; C. B. 

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



3Iariscus uinhellatus Vahl Enum. II (1806) p. 376 pro j^arife; 

 Kunth Enum. II p. 118 pro majore parte. 



Cyperus oviilar^is Boeck.f in Linnaea JLXXVI (1869 — 70) ]). 376 

 var. a partim; nee Torrcy. 



Cyperus cylindrostachys Boeck.! ifi Linnaea XXXVI (1869 — 70) 

 p. 383 pro magna parte. 



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

 Linn. Soc. XXI (1884) jj. 201 jjro inagna jmrte. 



