24 F. Fax und K. Hoffmann. — Euphorbiaceae-Additamentum VI. 



gracilis, adpresse pubescens; bracteae 1 mm longae, trianguläres, acutae, i — 3-florae; 

 pedicelli 5 — 8mm longi, apice incrassati, sub fructu 2 cm attingentes. Sepala Q 4 — 6, 

 3 majora, i — 2 mm Jonga, triangularia, acuminata, dense pubescentia; ovarium 3-locu- 

 lare, dense cano-pubescens; styli 3 — 4 mm longi, ima basi tanlum connati, filiformes, 

 ad basin partiti, graciliter papillosi. Capsula 8 mm diametiens, pilosa. 



Cisäquatoriale Savanenpro vinz: Venezuela, Lara, Palmasola, V^'älder am 

 Aroa River, nahe der Küste (Pittier n. 6375!). 



87. Macaranga Thou. 



IV. 147. VII. 298. 



10 a. M. insignis Merrill in Philipp. Journ. sc. XI. C. (1916). 69. — Arbor parva, 

 glabra; ramuli teretes, G — 10 mm crassi, pruinosi, cavi, perforati. Petiolus pruinosus, 

 2ö — 40 cm longus; limbus ad 40 cm attingens, late ovatus, profunde 5-lobus, 7 — 9- 

 nervius, basi rotundatus vel truncatus, nonnunquam undulatus vel parce denticulatus, 

 coriaceus, glaber, nitidus, basi late, 6 — 7 cm supra mai-ginem, peltatus; lobi 3 inter- 

 medii oblongi vel oblongo-lanceolati, 5 — 10 cm lati, caudato-acuminati, sinubus profundis 

 segregati; lobi infimi patentes vel falcati, multo breviores, 8 — 1 I cm longi. Inflores- 

 centia utriusque sexus ad 7 cm long, pedunculata, pedunculo pruinoso, subcapitata, densa, 

 2 — 3 cm diametiens, ovoidea; bracteae coriaceae, ovatae vel ovato-lanceolatae, concavae, 

 acuminatae, 1 1/2 — 2 cm longae, pruinosae, (j^ persistentes. Flores (^ numerosissimi. 

 Calyx (^ extus parce puberulus; stamina 5 — 6; antherae 3- et 4-loculares. Ovarium 

 cupreo- vel ferrugineo-furfuraceum, laeve, ovoideum, plerumque 5-loculare. Capsula 

 depresso-globosa, pedicellata, 8 cm diametiens, exappendiculata, glabra vel parce iurfuracea. 



Süd westmalajische Provinz: Borneo, Sarawak (einheim. Sammler n. 169, 

 171, 1156, 1509). — In den hohlen Internodien \?ohnen Ameisen. 



Nota. Gl. autor speciem inter Caladiifolias et sect. Pachystemon intermediam inseruit, 

 sed nobis judicantibus in affinitatem M. Motleyanae cerlissime pertinet, a qua autem salis differt. 



24 a. M. parvibracteata Pax et K. Hoffm. n. spec. — Ramuli pruinosi. juveniles 

 fulvo-puberuli, mox glabrati. Petiolus 10 — 13 cm longus, glaber vel subglaber; limbus 

 18 — 22 cm longus, 12 — 13 cm latus, coriaceus, triangulari-ovatus vel orbiculari- ovatus, 

 calloso-denticulatus, breviter cuspidato-acuminatus, basi late truncatus, vix peltatus, triner- 

 vius, evolutus subglaber vel glaber, supra parce, subtus dense granuloso-glandulosus, reti- 

 culato-venosus; stipvüae ö mm longae, lanceolatae, mox caducae. Flores rf ignoli. 

 Paniculae Q, breves, 4 — 5 cm longae, ramis apice capitato-florigeris ; rhachis puberula; 

 bracteae triangulari-ovatae, acutae, 3 mm longae, caducae, puberuJae. Caljx Q urceo- 

 laris, ovarium arcte cingens, ore dentatus, pubescens; ovarium laeve, biloculare, dense 

 granuloso-glandulosum ; styli 1 — I V2 ™™ longi, papillosi. 



Zentromalayische Provinz: Amboina (Warburg n. 17280!). 



Nota. Species ad M. Sampsonii chinensem accedit. 



36a. M. pleiostemona Pax et K. Hoffm. n. spec. — Arbor 12 — 15 m alta; 

 ramuli juveniles glabri, sicci striati. Petiolus circ. 1 cm longus, parce pilosulus, mox 

 glabratus; limbus 11 — 17 cm longus, * — 3 cm latus, lineai-i-lanceolatus, acuminatus, 

 basin versus longe attenuatus, ima basi angustissime cordatus, minute denticulatus, sub- 

 coriaceus, penninervius, glaber, supra parcius, subtus densissime immerso-granuloso- 

 glandulosus, subtus lutescenti-viridis, basi supra maculari-biglandulosus ; costae secun- 

 dariae utrinque 15 — 20; stipulae parvae, 4 mm longae, subulato-lineares , glabrae. 

 Paniculae (^ 3 — 6 cm longae, solitariae, simplices vel ramosae, ramis saepe abhreviatis, 

 glabrae; rhachis tcnuis, angulosa; bracteae pai-vae, trianguläres, acutae, integrae, 1 mm 

 longae, inferiores longiores, acuminatae, ad 2V2™™ attingentes, dr 7-florae. Flores q^ 

 4 mm lati, pedicellis 1 ' 2 nim longis; sepala 3, ovata, acuta, glabra, extus granuloso- 

 glandulosa; stamina ±z 40; antherae 4-Ioculares. Flores Q. ignoti. 



Papuasische Provinz: Neu-Guinea, Kaiser Wilhelmsland, Kaiserin Augusta- 

 fluß-Expedition, Felsspitze, 1400— 1500 m, Gebirgswald (Ledermann n. 12493!). 



Nota. An ad %Digynas pertinet? 



