94 &• Kiikenthal: Cyperaceae novae. III. 



superantes. Anthela sublaxa subsimplex 3— 5-radiata, radii omnes pedun- 

 culati ad 2 1 / a cm longi erecto-patentes saepe basi ramosi ex ocreis 

 arapliatis oblique sectis orti pluristaehyi. Spiculae demum patentes lineari- 

 lanceolatae acutae compressae 10— 14-florae 6—8 mm longae lVa mm 

 latae. Squamae dense imbricatae lanceolato-ovatae acutiusculae atro- 

 fuscae nitidae marginibus imprimis apicem versus sordide albidae carina 

 straminea tricostatae. Nux non evoluta. Stamina 3. 



Central-Madagascar: Ost-lmerina, Andrangoloaka im Sumpf 

 (Hildebrandt no. 3736!). 



Boeckeler hielt diese Art fur Ctjperus atro-brunneus Baker. Sie steht 

 jedoch Cypenis Gooperi C. B. Clarke weit naher, von welcher sie durch 

 lockere Spirre und weissberandete Schuppen abweicht. 



33. Gyperus (Pycreus) nigricans Steud. var. firmior Kiikenth., nov. var. 

 Culmus firmus triqueter. Folia coriacea sicut bracteae pungentia. 



.\nthela magis compacta. Nux obovato-oblonga evidentius apicata. 



Deutsch-Ost- AJrika: Uluguru (Stuhlmann no. 915D!); Kiliman- 

 djaro (Volkens no. 2014!); NO. Kiwu, Sab,yino-Kahinga-Sattel (Mild- 

 braed no. 1761!). Gallahochland: Sidamo (Ellenbeck no. 1861!). 



34. Heleocharis dunensis Kiikenth., nov. spec. 



Rhizoma lignosum descendens pluriceps. Culmi numerosi 15 — 30 era 

 alti tenues obsolete angulati sulcati basi vaginis perangustis longis, su- 

 prema inferne purpurea superne pallide brunnea ore ferrugineo truncate 

 postice breviter producta, obsiti. Spicula oblonga obtusa 7—9 mm longa 

 2 x /a mm lata multiflora. Squamae paucispirae oblongo-ovatae vel in- 

 feriors ovatae obtusae carinato-naviculares fusco-castaneae marginibus- 

 • anguste albo-hyalinae carina stramineae. Nux parvula obovata tumido- 

 triangularis angulis prominentibus cancellata olivacea nitida. Stylus ri- 

 gidulus trifidus basi pyramidali pallida triangulari inferne triloba in- 

 cumbens. Stamina 3. Setae hypogynae nuilae vel rudimentariae. 



Uruguay: Dep. Maldenado, Piriapolis, in dunis locis udis (Corn, 

 Osten no. 5716!). 



Von Heleocharis chaetaria Roem. et Schult. durch hoheren Wuchs, 

 langere schmalere Infloreszenz und glanzende Nuss, von H. arenaria 

 Benth. durch das abwarts gerichtete Rhizom und die engen Basalscheiden 

 getrennt. 



35. Scirpus Forsythii Kiikenth., nov. spec. 



Rhizoma repens tenue. Culmi plures 5—10 cm alti stricti vel leviter 

 incurvi firmuli obsolete trigoni inferne vaginis brunneis oblique sectis 

 aphyllis cincti. Spicula unica terminalis 6 — 8 mm longa oblongo-ellip- 

 soidea bractea erecfa V/ 2 cm longa culmum quasi continuante suftulta. 

 Squamae membranaceae oblongo-ovatae subobtusae clare brunneae niti- 

 dulae obsolete plurinervosae e carina pallida breviter mucronatae. Nux 

 ! /a squamae aequans obovata plano-convexa brunnea demum spadicea 

 nitida obsolete rugosa basi in stipitem latum contracta apicata. Setae 4. 

 vetrorsum scabrae nucem paullo superantes. 



Neu-Sud-Wales: Nepean River (W. Forsyth!). 



