Macaranga. 349 



0. Ktze. Rev. gen. II. (1891 ) 620. — Macaranga Blumeana Müll. Arg. in Sched. — 

 Arbor 15 — 40 m alta; partes juveniles dense ferrugineo-lanato-tomentosae ; ramuli tarde 

 glabrescentes. Petiolus lanato-tomentosus, 6 i / 2 — 20, rarius ad 40 cm longus; limbus 

 10 — 30 cm longus, in turionibus 50 cm attingens, 7 — 26 cm latus, triangulari- vel 

 rhombeo-ovatus, basi anguste peltatus, rotundatus vel rotundato-cuneatus, acuminatus, 

 glanduloso-denticulatus vel subinteger, subcoriaceus, evolutus supra glabrescens et basi 

 et apicem versus maculari-glandulosus vel eglandulosus, subtus crispule lanato-tomen- 

 tosus, glandulis granulosis densiusculis sub indumento ferrugineo occultis, basi 9-nervius, 

 reticulato-venosus ; stipulae 1 — 3Y2 cnl longae, lanceolatae vel triangulari-lanceolatae, 

 tomentosae, revoluto-recurvae. Paniculae breviter pedunculatae , laxae, pyramidales, 

 rhachide flexuosa, ramis patentibus, ferrugineo-tomentosae, 5 — 11 cm longae; bracteae 

 CJ* ramigerae basi petioliformi-contractae, leviter dentatae, tomentosae, florigerae trian- 

 gulari-ovatae, integrae vel denticulatae, db concavae, ± 1 0-florae, satis tenues, 2 — 3 mm 

 longae; bracteae § ramigerae deciduae, 3-partitae, tomentosae, 6 — 7 mm longae, flo- 

 rigerae simplices, ± 2 mm longae, pluriflorae. Sepala q 1 2 — -3, basi incrassata, extus 

 tomentosa; stamina 7 — 14; antberae 4-loculares, 3-locularibus rarius intermixtis. Calyx 

 Q ovarium includens, urceolatus, breviter lobatus, deinde 3-flssus; ovarium 1-loculare, 

 dense granuloso-glandulosum ; Stylus lateralis, lineari-subulatus, 3 mm longus. Capsula 

 pedicello 3Y2 — 7 mm longo suffulta, oblique globosa, 4 — i 1 /^ nun diametiens. Semina 

 globosa, sub strato extimo rugulosa. 



Südwestmalayische Provinz: Java, sehr verbreitet von 600 — 2400 m, be- 

 sonders bis 1500 m aufwärts, im lichten Regenwald, oft formationsbildend (Engler 

 n. 4693!, Forbes n. 989!, Koorders n. 2407/?!, 2412/5!, 38108/5!, Zollinger 

 n. 2546!). 



Sect. 17. Indicae Pax et K. Hoffm. 



Folia orbiculari-ovata , elobata, late vel anguste peltata, palmatinervia ; stipulae 

 mediocres, caducae. Rracteae integrae, apice grosse patellari-uniglandulosae, interdum 

 eglandulosae. Stamina 5 — 8; antherae 4-loculares. Ovarium uniloculare, laeve. Capsula 

 inermis. 



Von den beiden Arten der Sektion bewohnt M. indiea ein Areal, das von der Malabar- 

 küste und Ceylon bis Yünnan und Khasia reicht und die Andamanen einschließt. Dazu kommt 

 M. sinensis, wahrscheinlich aus Kwantung. 



Clavis specierum. 



A. Folia late peltata. Paniculae q? tomentellae 87. M. indiea. 



B. Folia anguste peltata. Paniculae (f glabrae 88. M. sinensis. 



87. M. indiea Wight, Icon. pl. V. (1852) t. 1883; VI. (1853) 1949, f. 2; Müll. 

 Arg. in DC. Prodr. XV. 2. (1866) 1009; Kurz, Forest Fl. II. (1877) 387; Hook. f. 

 Fl. Brit. Ind. V. (1887) 446. — Macaranga flexuosa Wight, Icon. pl. V. (1852) 23; 

 VI. (1853) t. 1949, f. 3; Müll. Arg. in DC. Prodr. XV. 2. (1866) 1010. — Tanarius 

 flexuosus et T. indicus O. Ktze. Rev. gen. II. (1891) 620. — Trewia hernandifolia 

 Roth, Nov. pl. spec. (1821) 376? — Arbor ad 20 m alta; ramuli crassi vel crassius- 

 culi, cicatricosi, pruinosi, juveniles cum foliis nascentibus ferrugineo-tomentosi , mox 

 glabrati. Petiolus 10 — 18 cm longus, pruinosus, pubescens, demum glabratus; limbus 

 10 — 32 cm longus, 8 — 24 cm latus, orbicularis vel orbiculari-ovatus, acuminatus, basi 

 late peltatus, rotundatus, glanduloso-denticulatus vel integer, chartaceus, 9-nervius, supra 

 glaber et ad insertionem petioli maculari-2-glandulosus vel eglandulosus et insuper 

 apicem versus secus marginem glandulosus, subtus glaucescens, pilis elongatis villosulus, 

 demum ± glabrescens, granuloso-glandulosus , papillosus, subtus modice reticulato- 

 venosus; stipulae 1 — 2 cm longae, late ovatae, acuminatae, reflexae, tomentosae. Pani- 

 culae q? 6 — 14 cm longae, fere a basi divaricato-ramosae, ramis flexuosis, tomentosae 

 vel tomentellae; bracteae florigerae reflexae, e basi ± dilatata lineari-produetae, apice 



