314 F« P &x ' — Euphorbiaceae-Acalypheae-Mercurialinae. 



frutex, ad 50 m alta, rami saepe subsarmentosi, spinosi, crassi; ramuli parce pilosi, 

 mox glabrati-, validi. Petiolus 17 — 46 cm longus, glaber; limbus 17 — 60 cm longus 

 et fere totidem latus, profunde trilobus, lobis oblongis vel ovatis vel triangularibus, acutis, 

 lateralibus suberectis, sinubus latis segregatis, basi profunde cordatus, sinu basali nunc 

 aperto, nunc angusto, clauso, repando-dentatus, in sinu subtus leviter auriculatus, auri- 

 culis parvis, subtus saepius amoene roseus, chartaceus, saepius 7-nervius, juvenilis dense 

 tomentosus, demum supra glabratus, subtus in costis pilosus et tarde glabrescens. granu- 

 loso-glandulosus et papillosus, reticulato-venosus ; stipulae 3 — 5 cm longae, % — 3 cm 

 latae, basi leviter saccatae et oblique insertae, acuminatae, membranaceae, glabrae, 

 basi breviter connatae, persistentes. Paniculae tf 5 — 23 cm longae, a basi fere ramosae; 

 rhachis cum ramis pubescens, inferne glabrescens; bracteae omnes conformes, orbiculari- 

 ovatae, acutae vel acuminatae, glanduloso-denticulatae vel subintegrae, 3 — 4 mm longae, 

 10 — 20-florae, intus et extus dense papilloso-hirlae, concavae. Paniculae Q 8 cm longae, 

 parum ramosae; bracteae caducae; pedicelli Q 3 — 4 mm, sub fructu 6 mm longi. 

 Flores q 1 1 mm longi; sepala 3 — 4, extus papilloso-hirta, parce granuloso-glandulosa; 

 stamina 2 — 5, saepius 2 — 3; antherae 4-, rarissime 3-loculares. Sepala Q 4, orbicu- 

 laria, obtusa, extus tomentella; ovarium 2-, rarius 3-loculare, dense granuloso-glandu- 

 losum; styli papillosi, ovario accumbentes, 1 y 2 mm longi. Capsula 1 2 mm lata, 6 mm 

 longa, calyce suffulta, leviter aspera. 



Westafrikanische Waldprovinz. Mittclsudanische Unterprovinz: Dar- 

 banda, Boro-Tal (Chevalier n. 17*57). — Unterprovinz Südnigerien — Kamerun: 

 Südnigerien, Oban (Talbot n. 112, 1377, 1431). Kamerun, Tibati (Ledermann 

 n. 2425!), Johann Albrechtshöhe (Buesgen n. 39!), Songalong (Ledermann n. 2108!), 

 Bipindi (Zenker n. 1315!, 2178!, 282"l!). — Unterprovinz des Kongolandes: 

 Brazzaville (Chevalier n. 4207), Eala (Pynaert n. 1491); Angola, Bamba (Monteiro), 

 Ambriz (Welwitsch n. 451). — Zentralafrikanische Unterprovinz: Uganda, 

 sehr verbreitet (Bagshawe n. 776, 1232, Scott Elliot n. 7351); Belg. Kongo, Ituri, 

 Fort Beni (Mildbraed n. 2214!); Niamniamland (Schweinfurth n. 3315!, 3336!); 

 Monbuttuland (Schweinfurth n. 3500!). — Lunda-Kassai-Unterprovinz: Mukenge 

 (Pogge n. 1391!). 



Nota. M. rosea, quam cl. Prain pro specie propria habet, a M. Schiceinfiirthii nobis 

 judicantibus haud differt. 



16. M. heterophylla Müll. Arg. in DC. Prodr. XV. 2. (1866) 993; Hiern, Cat. 

 Afr. pl. I. (1900) 981; Prain, Fl. Trop. Afr. VI. 1. (1912) 93 G. — Mappa hetero- 

 phylla Müll. Arg. in Journ. Bot. (1864) 336. — Tanarius heterophyllus O. Ktze. Bev. 

 Gen. II. ( 1 891) 62 0. — Macaranga Schweinfurthii Cummins in Kew Bull. (1898) 

 79. — M. quinquelobata Beule in Bull. Soc. Bot. France LV. Mem. 8. (1908) 78. — 

 Arborescens, rami sarmentosi, spinosi, scandentes, apice hispiduli. Petiolus 12 — 2 8 cm 

 longus, glaber; limbus 13 — 32 cm longus et fere totidem latus vel paulo latior, ultra 

 medium 3 — 7-lobus vel rarius elobus, saepe in eodem ramulo insigniter dimorphus, 

 basi aperte cordatus vel truncato-cordatus, in sinu basali auriculatus, auriculis glandu- 

 losis, parvis, sinuato-dentatus, chartaceus vel subcoriaceus, 5 — 7-nervius, evolutus supra 

 glaber, subtus ad costas parce pilosus vel glabratus, granuloso-glandulosus, reticulato- 

 venosus; lobi lanceolato-elliptici, cuspidato-acuminati, sinubus satis angustis segregati; 

 stipulae 3 — ö 1 /^ cm longae, 1 — % 1 /^ cm latae, lanceolatae, acuminatae, basi subsaccatae, 

 pilosae. Paniculae Q^ 15 — 30 cm longae, a basi ramosae, ferrugineo-tomentosae; 

 bracteae ramigerae triangulari-lanceolatae, integrae, 3 — 4 mm longae, florigerae orbicu- 

 lares, acuminatae, profunde laciniato-dentatae, 5 — 1 mm longae, basi crassiores, mar- 

 gine membranaceae, extus et intus pubescentes, extus parce granuloso-glandulosae, db 

 1 0-fiorae, rarius ad 20-florae. Spicae Q racemiformes, fere 7 cm longae, multiflorae; 

 bracteae lanceolatae, 1 — 3-florae. Calyx (j* ± 1 mm longus; sepala 4, extus pubescentia; 

 stamina 1 — 4, saepius 3; antherae 4-loculares. Sepala ^ 4, ovato-triangularia; ovarium 

 2-loculare. Capsula 1 6 mm lata, 9 mm longa, profunde didyma, dorso carpidiorum sul- 

 cata, pedicello i / 2 — ^j^cm longo suffulta. Semina 6 mm diametientia, globosa, reticulata. 



