90 



SCIRPUS SETACEUS L. Sp. PI. ed. 1, 73 ; Sebum. & Laut. 195. 



Arfak Mts., Angi lakes, open marsh by ? lake where boggy, 7000'. Fl. 

 Dec, 5973. 



Distrib. New Guinea (N.E.). Widely distributed in the Old World, 

 temperate and alpine. 



CLADIUM FALCATUM 0. B. Clarke MS. ex Ridl. in Trans. Linn. Soc. ser. 2, 

 Bot. ix. (1916) 243. 



Arfak Mts., Angi lakes, common in open marsh and edge of forest by 

 ? lake, 7000'. Fl. Dec. 5924. 



Distrib. New Guinea (D.S.W., Mt. Carstensz, Kloss). 



CLAUIUM GERMANICUM Schrad. Fl. Germ. i. 75, t. 5. f. 7. 



Arfak Mts., Angi lakes, by open beach of ? lake, 7000'. Fl. Dec. 

 5902. 



Distrib. Temperate and subtropical regions. 



CLADIUM ARFAKENSE Rendle, sp. nov. 



Caulis sub-compressus, in parte superiore bractea longe vaginante indutus. Folia 

 e basi caulis specimine 2 super basin vaginantem teretia, pungentia, exteriore caulem 

 et paniculam excedens. Panicula contermino obovata, sublaete brunnea, densa, 

 ramosa, ramis ascendentibus e bracteis acuminatis oriundis. Spiculee plurimse 

 sessiles, oblongse, pluriflorse. Glumes membranacea}, rubro-brunnese, ovata;, sub- 

 obtusse, 3 inferiores vacuse, breviter mucronatao, superiores saepe 5 quisque florem 

 $ includens. Stamina 3 ; connectivum super antheram anguste lineari-lanceolattuu 

 breviter aristatum. Stylus filiformis prope medium in ramis 3 ciliolatis solutus. 

 Nux . . . . 



Hab. Arfak Mts., Angi lakes, edge of open sandy beach by ? lake, 

 7000'. Fl. Dec. 5901. Abundant in open marsh by ? lake. Fl. Fr. 

 5561. 



Stem with panicle 5'5 crn. high, 32 mm. thick, invested in the upper 

 third by a long sheathing bract with a short blade ; outer leaf nearly 9 cm. 

 long, the loosely sheathing lower portion about 1 dm. long, the terete blade 

 about 2 mm. in diameter at the middle. Panicle 7 cm. long, 4 cm. broad, 

 the lowest bract somewhat foliaceons, 5 cm. long, linear-lanceolate and 

 tapering above the short sheathing base ; upper bracts similar, but progres- 

 sively and rapidly shorter. Lowest branch 5*5 cm. long, the upper shorter. 

 Spikelets about 5 cm. long; empty glumes 3*5-4 mm. long, upper glumes 

 each subtending a flower, up to 4'5 mm. long. Stamens 5 mm. long, the 

 flat ribbon-like filament 2 mm. 



A very distinct species, characterized by its broad dense panicle and 

 numerous-flowered spikelets. 



