Beitriige zur Kenntnis der Flora und Pflanzengeographie von Borneo. III. 355 



membranaceus opacus minutissimo pellucido-punctulatus, usque ad 21,5 cm longus et 

 10 mm latus. Petioli 1,5 — 3 cm longi. Pedunculus 1,5 cm longus, quam petiolus folii 

 supremi haud adulti, in specimine viso, pluries longior. Spica Q baccifera 4 cm longa; 

 bracteae pelta 1 mm diam.; bacca submatura fere 2,5 mm diam., in sicco nigra. 



SO. -Borneo: Zw. Semurung und Sungei Tarik; Urwald (Winkler 

 n. 3017, 18. Juli). 



P. cauinum Bl. in Verh. Bat. Genoots. 214, t. 2. 



SO. -Borneo: Zw. Muara Uja und Kundim baru (Winkler n. 2690, 

 6. Juli; fern.); zw. Lumowia und Kumam (Winkler n. 2910, 12. Juli; fern.; 

 ohne naheren Standort (Winkler n. 3476). 



Diese variable Art ist uber den ganzen Archipel verbreitet. 



3°. Bacca ignota. 



P. lutescens G. DC. n. sp. 



Ramulis glabris in sicco lutescentibus; foliis breviter petiolatis glabris; 

 limbo oblongo-elliptico, basi leviter inaequilatera acuto apice breviter et 

 obtusiuscule attenuato; 7-plinervio, nervo centrali nervos 2 adscendentes 

 oppositos a circiter 15 mm supra basin mittente, nervis 2 adscendentibus 

 utrinque a basi solutis quorum externus aliis multo tenuior et brevior; 

 petiolo basi ima vaginante; pedunculo glabro petiolum subaequante; spica 

 CT quam limbus pluries breviore; rhachi hirsuta; bracteae pelta rotunda 

 glabra, pedicello crasso hirsuto; staminibus 2, antheris subreniformibus 

 4-valvatis quam filamenta oblonga brevioribus. 



Dioicum. Ramuli spiciferi 2 mm crassi, collenchyma libriforme in fasciculos dis- 

 cretos dispositum, fasciculi intramedullares 1-seriati, canalis lysigenus unicus centralis. 

 Limbus in sicco rigidus lutescens, minutissime et inconspicue pellucido-punctulatus; 

 4 0,5 cm longus, 5 cm latus. Petiolus, in foliis superis, usque ad limbi latus longius 

 7 mm inter limbi latera 1 mm longus. Spica $ florens 2 cm longa, 2 mm crassa; in 

 vivo lutea, in sicco fuscescens; bracteae pelta 1 mm diam., pedicellus carnosus sine 

 cellulis gelifactis. 



SO.-Borneo: Hayup, Urwald (Winkler n. 2620, 28. Juni). 



P. Tjamlmi G. DG. n. sp. 



Ramulis glabris in sicco fuscis; foliis breviter petiolatis; limbo sub- 

 ovato-elliptico-lanceolato basi ima aequilatera acuto apice subacute acu- 

 minata, supra glabro subtus ad nervos minutissime velutino-puberulo; 

 o-plinervio, nervo centrali nervos 2 adscendentes oppositos a 5—7 mm 

 supra basin mittente, nervo laterali adscendente utrinque a basi soluto; 

 petiolo in margine supero minutissime puberulo, basi ima vaginante; pe- 

 dunculo minutissime puberulo petiolum superante; spica tf florente quam 

 limbus pluries breviore; rhachi hirsuta; bracteae glabrae pelta rotunda 

 centro late pedicellata; staminibus 3, antheris rotundato-ellipticis 2-valvatis 

 quam filamenta oblonga brevioribus. 



Dioicum. Caulis ± 30 cm altus basi stoloniferus. Ramuli spiciferi 0,55 mm crassi; 

 collenchyma in fasciculos discretos crassos dispositum, haud libriforme, fasciculi intra- 

 m edullares 1-seriati, canalis lysigenus unicus centralis Limbi in sicco rigido-membrana- 

 cei > liaud pellucido-punctulati", superi usque ad 8 cm longi et 3,5 cm lati, subsequentes 



23* 



