158 



POGONANTHERA HEXAMERA Bak. f., sp. HOV. 



Frutex, ramis obscure tetragonis sparse rufo-pubescentibus. Folia oblonga, apice 

 basique acuta, supra demum glabra, subtus nervis rufo-pubescentibus, trinervia, petiolo 

 rufo-pubescente instructa. Paniculce terminales, pluri- vel multiflorae, bracteatte. 

 Bractece lineares vel lineari-oblongse. Pedicelli rufo-pubescentes. Flo-res hexameri. 

 Calycis tubus campanulatus, dentibus acutis. Petala alba, acuta, carnosula. Stamina 

 12 sequalia, antheris lineari-lanceolatis apice 1-porosis, connectivo basi breviter postice 

 auriculato antice inappendiculato. Fructus ignotus. 



Hal. Arfak Mts., Koebre Mt., Angi lakes, edge of forest patches, 9000'. 

 Fl., Fr. Dec. 5649. 



Leaves 6-8 cm. long, 20-23 mm. broad ; petiole 6-7 mm. long. Calyx- 

 tube + 5 mm. long. Petals 6-7 mm. long. 



Noticeable on account of the rusty pubescence in the many-flowered 

 panicles of hexamerous flowers, and the narrow, oblong, reddish bracts in 

 pairs, and the white flowers. 



MEDINILLA ARFAKENSIS Bak. f., sp. nov. 



Frutex ad M. speciosam Blume et M. myriantliam Men 1 , accedens, ramis 4-gonis 

 vel brevissime 4-alatis ad nodos leviter incrassatis et barbatis. Folia opposita, 

 sessilia, oblongo-lanceolata vel ovato-lanceolata, apice acuta basi late cuneata 

 7-9-plinervia, costa subtus conspicua. Flores minusculi, saepius 5-meri in paniculas 

 dispositi, quam in M. speciosa Blume minores. Pedicelli graciles, minute verru- 

 cosi. Calycis tubus campanulatus, verrucosus, limbo vix lobato. Petala alba, 

 carnosula. Stamina 10 sequalia, connectivo postice calcarato, filamentis antheris 

 paullo longioribus. Ovarium 5-loculare, stylo filiformi, stigmate punctiformi. 

 Fructus ignotus. 



Hab. Koebre Mt., Angi lakes, 8000-9000'. Fl. (white). Dec. 5597. 



Leaves 16-18 cm. long, 6-6'5 cm. broad. Calyx +3 mm. long. Petals 

 white, + 6 mm. long. Anthers + 2 mm. long. 



The distinguishing characteristics are the opposite, sessile, 7-9-plinerved, 

 ovate- lanceolate or oblong-lanceolate leaves, and the small white flowers in 

 panicles, the calyx being externally somewhat warted and only +3 mm. long. 



No. 6133, from lower ridge in high forest, must also probably be referred 

 to the above. 



MEDINILLA FORBESII Bak. f. in Trans. Linn. Soc. ser. 2, Bot. ix. (1916) 55. 



Arfak Mts., Angi lakes, common on edge of forest by ? lake, 7000'. 

 Fl., Fr. Dec. 5736. 



Distrib. New Guinea (D.S.W., Utakwa River to Mt. Carstensz, Kloss ; 

 S.E., Mt. Wariwari, Forbes). 



" Shrub, inflorescence caulino at nodes all up the stem. Flowers white, 

 petals pink, fruit red." 



