Macaranga, 311 



breviores, ferrugineo-puberulae, floribundae, opposite ramigerae, ramis ramulisque an- 

 gulosis; bracteae inferiores lanceolatae, ferrugineae, florigerae e basi cuneata late tri- 

 angulari-ovatae, breviter subulato-acuminatae, patulae, crenato-denticulatae, in pedicellis 

 brevibus densissime in conulum ovoideum, ö 1 /^ — ? mm longum, 4 — 6 mm latum, sub> 

 incanum congestae. Flores q* 4 — 2-andri. Flores Q et fructus ignoti. 

 Südwestmalayische Provinz: Borneo (Motley n. 1215). 



11. X. hypoleuca (Reichb. f. et Zoll.) Müll. Arg. in DC. Prodr. XV. 2. (1866) 

 992; Hook. f. Fl. Brit. Ind. V. (1887) 448. — Mappa (?) hypoleuca Reichb. f. et Zoll. 

 in Verh. Natuurk. Ver. Nederl. Ind. I. (1856) 30; in Linnaea XXVIII. (1856) 309; Miq. 

 Fl. Ind. Bat. I. 2. (1859) 404; Suppl. (1860) 458. — Tanarius hypoleucus 0. Klze. 

 Rev. gen. II. (1891) 620. — Ricinus inermis Wall. Cat. 7806. — Ramuli validi, cum 

 petiolis glauco-pruinosi. Petiolus 17 — 25 cm longus, glaber; limbus 13 — 21 cm longus, 

 14 — 23 cm latus, 2 — 3 cm supra basi peltatus, ultra medium trilobus, lobis ovatis, 

 cuspidato-acuminatis, divergentibus, medius basin versus attenuatus, basi rotundatus 

 et leviter cordatus, margine integer et glandulis sessilibus onustus, coriaceus, glaber, 

 supra atro- viridis , supra ad insertionem petioli maculari-glandulosus, subtus albido- 

 violaceo-pruinosus et granulosorglandulosus, subtus reticulato-venosus, palmatinervius; 

 stipulae ovatae vel lanceolatae, patulae, demum induratae. Paniculae q 1 13 — 21 cm 

 longae, axillares, pruinosae, glabrae, breviter pedunculatae, ramis paniculiformibus, oppo- 

 sitis, ramulis apice capitulifloris ; rhachis angulosa; bracteae ramigerae caducae, 8 mm 

 longae, ovatae, acuminatae, florigerae late triangulari-ovatae, concavae, acutae, 2 — 3 mm 

 longae, utrinque 9 — 1 2-dentatae, coriaceae, rubello-ferrugineae, dentibus obtusis, ± 

 10-florae; paniculae Q breviores. Calyx q? clavatus, glaber; sepala 3; stamen 1; 

 anthera 4-locularis. Calyx Q cupularis, truncatus, 5-denticulatus, 2 mm longus, per- 

 sistens; ovarium glabrum, 3-loculare; styli patuli, subulati. Capsula circ. 7 mm lala, 

 depresso-subglobosa, carpidiis dorso superne late glanduloso-biverrucosis. Semina alveo- 

 lato-impressa. 



Südwestmalayische Provinz: Penang (Wallich n. 7806). Malakka (Griffith 

 n. 4715), Singapore (Mayer!). — Sumatra (Teysmann!). — Borneo (Lowe). 



12. M. gossypifolia Pax et K. Hoffm. n. spec. — Arbor parva; ramuli crassius- 

 culi, 5 — 6 mm diametientes, juveniles tomentelli, mox glabrati et pruinosi. Petiolus 

 9 — 1ö cm longus, fulvo-tomentellus, glabrescens, pruinosus; limbus 9 — 20 cm longus, 

 1 1 — 26 cm latus, latior quam longus, ultra medium trilobus, lobis divergentibus, ovatis, 

 acuminatis, medio lateralibus majore, basin versus paulo angustato, basi profunde 

 cordatus, palmatinervius, margine appendiculato-glanduliger, supra secus nervös primarios 

 ferrugineo-tomentellus et prope basin glandulis infundibuliformibus onustus, subtus in 

 costis costulisque pilis longioribus fulvo-villosulus, papillosus, indistincte granuloso-glan- 

 dulosus, firme subcoriaceus, subtus reticulato-venosus; stipulae late triangulari-ovatae, 

 7 mm longae, 1 mm latae, acutae, deciduae, glabrae, pruinosae. Inflorescentiae q? 

 12 — 15 cm longae, pedunculatae, pedunculo 2^2 — 3 cm longo, inferne oppositirameae; 

 rhachis cum ramis fulvo-villoso-pubescens; bracteae ramigerae fere 1 cm longae, late 

 ovatae, acutae, demum deciduae, parce puberulae, apice subcucullatae, integrae, ramuli- 

 gerae triangulari-lanceolatae, 2 — 4 mm longae, integrae, pubescentes, florigerae orbi- 

 culari-ovatae, acutae, basi angustatae, undulato-costulatae et pectinato-dentatae, extus 

 intusque tomentosae, 5 — 10-florae. Flos tf cum pedicello 1 mm longus; sepala 3, 

 minute granuloso-glandulosa; stamina 1 — 3; antherae 4-loculares. Flores Q et 

 fructus ignoti. 



Südwestmalayische Provinz: Borneo, zwischen Simpokak und Semurung 

 (Winkler n. 2996!). 



Nota. Affinis M. Hosei. 



13. M. velutina (Reichb. f. et Zoll.) Müll. Arg. in DC. Prodr. XV. 2. (1866) 

 993. — Mappa velutina Reichb. f. et Zoll, in Linnaea XXIX. (1857) 468. — Tanarius 

 velutinus 0. Ktze. Rev. gen. II. (1891) 620. — Ramuli fistulosi, velutini. Petiolus 

 longus, strictus, velutinus; limbus basi rotundatus, peltatus, trilobus vel interdum elobus, 



