1869.] On Pandanojjhylluni and allied genera. 85 



spiculatae, 8 — 10 florae, androgynae. Flosculus centralis femineus, 

 nudus ; flosculi reliqui masculi omnes monandri, uni-squamulati. 

 Squamulae squamae contrariae ; laterales compresso-naviculares ; 

 vacuae nullae (an semper?). Ovarium lagenaeforme ; stylus longius- 

 culus, bi — (an etiam tri ?) fidus. Acliaenium magnum, obovatum, 

 6, (12 ?) costatum, pericarpio carnoso (in sicco corticoso rugoso), 

 nucleo lapideo mucronulato. — Planta perennis hahitu Pandanis veris 

 acaulibus ita similis, ut ah his aegre discemenda nisi inflorescentia. 



1. Sc. COStatum, Kurz. Scirpodendron pandaniforme, Zipp. 

 MS. ; Pandanopbyllum costatum, Thw. En. PI. Zeyl. 433 ? Scleria 

 macrocarpa, Wall. Cat. 



Hab. — In the hill jungles of Western Java along the torrents and 

 in swampy places: Zippelius, Sfc. Singapore and Penaug: Wall. 

 3538 ; Ceylon : Thwaites. 



Native names : Harassas in Sunda. 



Rhizoma crassum, obliquum, lignescens. Folia coriacea, trifarie 

 equitantia, lato-linearia, acuminatissima, 6 — 9 ped. longa, pollicem 

 lata et latiora, trinervia, lateribus rectangulariter deviis, margine 

 costaque a medio spinuloso-serrulata. Culmi 1- — 1^ ped. longi, 

 trigoni v. triquetri, glabri v. in angulis scabeirimi, aphylli, basi 

 squamati. Panicula compacta, terminalis, pauci-ramea, ramis brevibus 

 crassis simplicibus, inferioribus 3 — 4 phyllis singulis sustentis in- 

 volucrantibus. Involucri phylla longissima, 7—2 ped. longa, foliis 

 subconformia. Spicae sessiles v. sub-sessiles, compositae, basi bractea 

 magna chartacea e basi lata oblonga acuta concava sustentae. Squa- 

 mae oblongae, obtusiusculae, carinatae v. subcarinatae, striatae, mem- 

 branaceae, inferiores saepe spiculas tres, .sequentes spiculam unicam 

 squama propria breviorem tegentes. Flosculus centralis nudus femin- 

 eus. Squamulae laterales lato-carinato-naviculares, carina ciliolatae. 

 Antherae exserta?. Ovarium sublagenaeforme ; stylus longus, billdus, 

 ramis brevibus. Achaenia drupacea, magnitudine pisi majoris, in 

 sicco sulcato — 6 — costata > rugosa ; pericarpium in sicco corticusum ; 

 nucleus obovatus, obsolete 6 — costatus, apiculatus, lapideus. 



I am in doubt whether Dr. Thwaites' Pemdanophyllum costatum is 

 identical with this plant, as his short description does not well coincide 

 with the above characteristic. According to that author the achenes 

 are 6 — 12 ribbed, but the Malayan species which I have examined, 

 have them all G-ribbed only. 



