106 C. B. Clarke: 



** Plantae robustiores, rudes. 



Panicula terniinalis, in caput fere congesta 



181. R. cephalotes Valil. 

 Corymbi 3 4 axillares, remoti 



182. R. comata C.B. Clarke. 



Sect. 5. Glaucae. Setae antice scabrae; nux transversim unclulata. 

 * Spiculae 5 7 mm. longae; plantae robustiores. 

 Folia 4 mm. lata; corymbi densi 



184. R. stipitata C.B. Clarke. 

 Folia 5 7 mm. lata; corymbi 4 8 cm. in diam. 



191. R. Marisculus C. B. Clarke. 

 ** Spiculae 1 3 (rarius 4) mm. longae. 



j* Folia 2 4 mm. lata; culmi saepius 3 10 dm. longi 

 Bostrum Y2 P ar te nucis brevius. 



Spiculae ovoideae acutae , 1 2 - nucigerae 

 Setae nuce longiores 183. R, glauca Vahl. 

 Setae nuce breviores 



185. R, cymosa Britton. 

 Spiculae subglobosae 



Spiculae 1 2 - nucigerao 



187. R, microcarpa Britton. 

 Spiculae 5 2 - nucigerae 



189. R. sparsa Vahl. 

 Rostrum Y2 P ai 'te nucis longius. 



Corymbi laxe divaricati 190. R. cubensis C. B. Clarke. 

 Corymbi parvi densi 192. R. pruinosa C. B. Clarke. 

 f-j- Folia 1 2 mm. lata, setacea aut iiliformia. 

 Culmi 1 3 dm. longi, graciliores 

 Rostrum Y2 P ai 'te nueis brevius 



180. R. rariflora Britton. 

 Rostrum l J 2 parte nucis longius 



188. R. stenophylla Britton. 

 Culmi 5 15 cm. longi, setacei 



193. R, cernua C.B.Clarke. 



138. Rynehospora pterocarpa C. B. Clarke, stolonibus 0; culmis 

 1 4 dm. longis, caespitosis, gracilioribus, trigonis, glabris; foliis plu- 

 ribus cum Y4 3 A parte culmi acquilongis, 2 3 nim. latis, planis, salteni 

 in margine saepissime ciliato-pilosis; capite 1 polystachyo, 8 12 mm. 

 in diam., denso; bractois 3 vel pluribus, ima caput saepius superante; 

 spiculis 5 8 mm. longis, lanceolatis, 7-glumis 1-nucigeris, glabris, 

 stramineo-bruneis; giumis obscurius distichis, obtusis, subcorneis, 4 imis 

 parvis vacuis, quinta multo majore bisexuali nucigera, sexta paullulum 

 distante; setis 5 3, saepe 4, nucem cum rostro superantibus, antico 

 scabris ima basi ciliatis; stylo longissimo, rubro, apice breviter 2-den- 

 tato; nuce cum 2 /r. parte giumae vix aequilonga, sessili, oblongo-ob- 

 ovoidea, a tergo compressa, concavo-convexa, levi, nigra, a stylobasi 

 fere usque ad basin conspicuo alata, alis scariosis tenuibus multum 



