358 F- P ax - — Euphorbiaceae-Acalypheae-Mercurialinae. 



97. M. sumatrana Müll. Arg. in DC. Prodr. XV. 2. (1866) 1003. — Tanarius 

 sumatranus 0. Ktze. Rev. gen. II. (-1 891) 620. — Ramuli teretes, glabrati, apice cum 

 foliis novellis ferrugineo-tomentelli. Petiolus 6 — 9 cm longus; limbus 14 cm longus, 

 1 2 cm latus, triangulari-ovatus, breviter acuminatus, basi breviter contracto-subcuneatus, 

 subcoriaceus, calloso-repando-dentatus, subtus tenuiter reticulatus et fusco-glanduloso- 

 punctatus, supra parce puberulus, subtus pallidior, indumento lurido-fuscescente, ob- 

 scure ferrugineo-cinerascente, submolli, brevi vestitus; stipulae 1 cm longae, lanceolatae, 

 longe acuminatae. Paniculae tf ad 20 cm longae, a basi ramosae, ambitu anguste 

 pyramidales; rhachis ferrugineo-puberula, tenuis; rami infei'ne nudi, inferiores ramosi; 

 bracteae 4 mm longae, tomentellae, orbiculari-ovatae, acutae, pectinato-incisae. Stamina 2. 

 Flores Q et fructus ignoti. 



Südwestmalayische Provinz: Sumatra (Korthals). 



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

 1003; Hook. f. Fl. Brit. Ind. V. (1887) 450. — Mappa trichocarpa Reichb. f. et 

 Zoll, in Verh. natuurk. Ver. Nederl. Ind. I. (1856) 8; in Linnaea XXVIII. (1856) 

 307; Miq. Fl. Ind. Bat. I. 2. (1859) 402. — Mappa Zollingeriana Miq. FI. Ind. Bat. 

 Suppl. (1860) 457. — Mappa borneensis Müll. Arg. in Flora XLVII. (186 4) 468. — 

 Macaranga borneensis Müll. Arg. in DG. Prodr. XV. 2. (1866) 1003. — Tanarius 

 borneensis et T. trichoearpus 0. Ktze. Rev. gen. II. (1891) 619. — Frutex vel arbor; 

 ramuli graciles, fulvo-velutino-pubescentes et nonnunquam pilis albis, hispidis, caducis 

 adspersi, tarde glabrescentes. Petiolus 2 — 6 cm longus, more ramulorum vestitus; 

 limbus 1 — 1 5 cm longus, 5 — 9 cm latus, ovatus vel triangulari-ovatus, cuspidato-acu- 

 minatus, basi late cuneatusj ima basi vix cordulatus, ex Müller Arg. nonnunquam 

 obsolete 3-lobus, glanduloso-denticulatus, chartaceus vel subcoriaceus, supra — pilis 

 rigidulis, simplicibus, basi incrassatis vestitus, demum glabrescens et insigniter scaber, 

 prope basin obscure maculari-2-glandulosus, subtus ad nervös molliter villoso-pubescens, 

 granuloso-glandulosus et reticulato-venosus, trinervius; stipulae lineares, fere centime- 

 trales, mox caducae. Paniculae (J* axillares, interdum fasciculatae, 3 — 4 cm longae, 

 velutino-pubescentes et interdum subsetoso-pilosae, breviter ramosae, subracemiformes; 

 bracteae ramigerae saepe subfoliaceae, fiorigeris ceterum similes, florigerae inter se 

 aequales, rhombeae, basi petioliformi-contractae, acuminatae, pectinatim inciso-dentatae, 

 bistipulatae, 5 — 6 mm longae, rt: 20 — 30-florae, subtus et supra tomentosae et granu- 

 loso-glandulosae, basi dense albo-barbatae. Paniculae Q subsimplices 1 — 2 cm longae, 

 pauciflorae; bracteae ut in inflorescentiis q?, sed paulo longius petiolatae, pluriflorae. 

 Flores q? cum pedicello I mm longi. Calyx extus puberulus; stamina 2 — 3; antherae 

 4-loculares. Sepala Q 4 — 5, basi connata, ovata, acuta, tomentosa; ovarium 2-loculare, 

 tomentosum et tuberculatum ; styli patentes, basi connati, leviter papillosi, 2 mm longi. 

 Capsula dicocca, sine aculeis 8 mm lata, echinis mollibus, pubescentibus et albido-setu- 

 losis dense tecta. Semina globosa, nigra, rugosa. 



Südwestmalayische Provinz: Perak (Bidley n. 14514! Scortechini). Ma- 

 lakka, Singapore (Brenning n. 67l!, Hüllet!, Mayer n. 729!, 99l!, Ridley!, 

 Wallich). Lampong (Zollinger n. 3045!). Borneo (Beccari n. 1026!, 1028!), 

 Bangarmassing (Motley n. 199) ; zwischen Lumowia und Kumane (Winkler n. 2907!). 

 Cochinchina (Gaudichaud n. 175). 



99. M. minutiflora Müll. Arg. in Flora XLVII. (1864) 466; in DC. Prodr. XV. 2. 

 (1866) 1012; Kurz, Forest Fl. II. (1877) 388; Hook. f. Fl. Brit. Ind. V. (1887) 450. 

 — M. Helfen Müll. Arg. in DC. Prodr. XV. 2. (1866) 1004. — Tanarius Helfen et 

 T. minutiflorus O. Ktze. Rev. gen. II. (1891) 620. — Frutex; ramuli graciles, fulvo- 

 velutino-pubescentes, tarde glabrescentes. Petiolus 3 — 7 cm longus, pubescens; limbus 

 10 — 16 cm longus, 6 — 13 cm latus, rhombeo-ovatus, acuminatus, basi late cuneatus 

 vel rotundatus, ima basi leviter cordulatus, glanduloso-denticulatus, fere chartaceus, supra 

 fere glaber, scaberulus, subtus ad nervös villoso-pubescens, granuloso-glandulosus, basi 

 supra maculari-biglandulosus, vel eglandulosus, trinervius; stipulae lanceolatae, tomen- 

 tosae, mox caducae. Paniculae tf axillares, saepe fasciculatae, \ i / 2 — 4 cm longae, 



