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



Papuasische Provinz: Neuguinea, Kaiser Wilhelmsland, Wälder am Mayen 

 (Schlechter n. 17916!, 17919!), Bumigebiet (Weinland n. 257!). 



19. M. Korthalsii Müll. Arg. in DC. Prodr. XV. 2. (1866) 976. — JRottlera 

 Korthalsii Scheff. in Miq. Ann. Mus. Lugd. Bat. IV. (1868 — 69) 124. — Frutex; rami 

 teretes, glabri, grisei; ramuli compressi, minute stellato-tomentelli et glandulis puniceis 

 adspersi. Folia opposita, in quoque nodo inaequimagna; petiolus foliorum majorum 

 1 y 2 — 3^2 cm longus, breviter tomentellus vel glabratus; limbus major 12 — 17 cm 

 longus, 41/2 — 9'/2 cm latus, oblongo-ovatus vel oblongo-ellipticus, cuspidato-acuminatus, 

 basi obtusus vel brevissime contracto-acutatus vel subcordatus, repando-denticulatus vel 

 subinteger, chartaceus, laete viridis, evolutus supra et subtus pilis stellatis parcissime 

 adspersus et subtus densissime fusco-granuloso-glandulosus, basi supra inter costas in- 

 fimas et marginem utrinque seriatim maculari- 2 — 4-glandulosus , trinervius; costae 

 secundariae praeter basales utrinque fere 4; stipulae perexiguae. Inflorescentiae utrius- 

 que sexus simplices, q? 7 l /2 — 13 cm longa, a basi fere florigera, Q 6 — S l / 2 cm longa, 

 pedunculata; l'hachis q^ et Q cum bx'acteis stellato-puberula, granuloso-glandulosa; 

 bracteae minutae, trianguläres, acutae, q? 1 — pluriflorae, Q 1-florae; pedicelli q? 

 ± 2 mm, Q 3 — 4 mm longi. Sepala (j 1 4 — 6, lanceolata, revoluta, extus breviter 

 puberula, extus et intus granuloso-glandulosa, 2 mm longa; slamina 50 — 60; filamenta 

 cum antheris parce granuloso-glandulosa; connectivum satis anguslum, saepe productum. 

 Sepala Q 5 — 6, extus puberula, extus et intus granuloso-glandulosa, lanceolata, acu- 

 minata, revoluta, 2Y2 mm l° n o a i ovarium cum stylis puniceo-glandulosum ; styli 3, 

 liberi, 2 mm longi, plumosi. Capsula (nimis juvenilis visa) tuberculata, dense glanduli- 

 gera, profunde 3-dyma, 9 mm lata. 



Südwestmalayische Provinz: Borneo, Sakvembang (Korthals). 



Philippinen: Luzon, Cagayan (Curran n. 17072!). Mindanao, Banga, Zam- 

 buanga (Whitford u. Hutchinson n. 9017!). Sibuyan, Capiz, Magellanes (Eimer 

 n. 12 348!). 



20. M. oppositifolius (Geisel.) Müll. Arg. in Linnaea XXXIV. (1865) 194; in DC. 

 Prodr. XV. 2. (1866) 976; Pax in Engler, Pflzwelt. Ostafr. C. (1895) 238; Th. et 

 H. Durand, Sylloge Fl. Congol. (1910) 495; Prain in Fl. Trop. Afr. VI. 1. (191 2) 928. — 

 Croton oppositifolius Geisel. Monogr. Croton. (1807) 23. — Echinus oppositifolius 

 Baill. in Bull. Soc. Linn. Paris II. (1891) 977; Hist. pl. Madagasc. Atlas (1891) t. 174. — 

 Frutex 1 y 2 — 6 m altus, ramosus; rami penduli, purpureo-brunnei ; ramuli graciles, 

 juveniles compressi, mox teretes, ± stellato-pubescentes, demum ± glabrescentes. Folia 

 opposita, in quoque nodo inaequimagna; petiolus 3 — 10 cm longus, gracilis, ± pubes- 

 cens vel glabrescens; limbus 3y 2 — 16 cm longus, 2 — 13 cm latus, late ovatus vel 

 ovato-oblongus, acuminatus, basi obtusus vel breviter contractus vel cordatus, subsinuato- 

 dentatus vel glanduloso-denticulatus vel subinteger, membranaceus, supra stellato-pube- 

 rulus, mox ± glabrescens et basi maculari-glandulosus, subtus stellato-pubescens et 

 granuloso-glandulosus, saepe =b glabrescens, trinervius; costae secundariae praeter basales 

 utrinque fere 5 ; stipulae lineares. Inflorescentiae utriusque sexus terminales et axillares, 

 simplices, pedunculatae, 5 — 18 cm longae, multiflorae; rhachis stellato-lomentella; 

 bracteae (jf l / 2 mm longae, trianguläres, acutae, patentes, 3 — 5-florae, Q ovatae, acu- 

 minatae, 1 x / 2 — 2 mm longae, uniflorae; pedicelli 3 — 5 mm longi, fructigeri ad 11 mm 

 attingentes, horizontales. Sepala q^ 2 — 5, lanceolata vel elliptica, acuta, stellato- 

 pubescentia, intus granuloso-glandulosa; slamina 60 — 80; connectivum angustum; thecae 

 superne subliberae. Sepala Q 3 — 6, lanceolata vel ovata, acuminata, apice recurva, 

 pubescentia et parce granuloso-glandulosa, 3 mm longa; ovarium dense stellato-pubescens 

 et granuloso-glandulosum; styli 3, fere liberi, 2 — 3 mm longi, plumosi. Capsula 6 — 

 8 mm lata, 4 — 4*/2 mm longa, tridyma, puberula. Semina globosa, laevia, brunnca, 

 2 — 3 mm diametientia. — Fig. 2 3^4. 



Im tropischen Afrika weit verbreitet, vom Benue bis Angola, Sansibar 

 und Mossambik; auch in Madagaskar; in Gebüschen an Flußufern, im Galerie- 

 wald, im lichten Mischwald und auf der Savanne, seltener im Urwald. 



