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



ore denticulatus, subpersistens; ovarium echinatum, echinis subsericeis, mollibus, uni- 

 loculare; Stylus 6 — 12 mm longus, papillosus. 



Melanesische Provinz: Neue Hebriden, Tnsel Tanna (Forster!). 



Nota. Certe arcte affinis est M. involueratae, sed optime diversa. 



131. M. keyensis (Warb.) Pax et K. Hoffm. — M. involucrata var. keyensis 

 Warb, in Engler's Bot. Jabrb. XIII. (1891) 352. — Arbor vel frutex; ramuli graciles, 

 velutino-pubescentes, mox glabi'ati. Petiolus 2V2 — 5 cm longus, velutino-pubescens ; 

 limbus 5 — 12 cm longus, 5 — 9y 2 cm latus, rhombeus vel rhombeo-ovatus, acuminatus, 

 basin versus cuneato-angustatus, ima basi angusta cordulatus, integer, membranaceus, 

 supra glaber vel subglaber, basi non glandulosus, subtus ad nervös velutino-pubescens 

 et insuper dense granuloso-glandulosus, basi 3 — 5-nervius, nervis extimis abbreviatis; 

 stipulae lineari-subulatae, 5 mm longae, pubescentes. Paniculae q? 5 — 6 cm longae, 

 axillares, solitariae vel seriatim geminae, inferne longe nudae, insigniter graciles, pubes- 

 centes; bracteae ramigerae lanceolatae vel lineares, acutae, caducae, zb 5 mm longae, 

 florigerae reflexae, 4 — 7 mm longae, e basi truncato-cordata ovatae, obtusae, utrinque 

 pilosae, supra eglandulosae vel patellari-uniglandulosae, ima basi petioliformi-contractae, 

 10 — 20-florae; inflorescentiae Q integrae haud visae, sed breves videntur, tenellae, 

 longe pedunculatae, apice paucibracteatae; bracteae foliaceae, cordatae, acutae, integrae, 

 1 7 mm longae, 1 3 mm latae, brevissime petiolatae, extus intusque puberulae, extus 

 granuloso-glandulosae , nervosae, intus nonnunquam patellari-glandulosae. Flos q* 

 1 , / 2 mm latus; sepala 3 — 4, extus puberula et parce granuloso-glandulosa; stamina 

 5 — 12; antherae 4-loculares. Calyx Q ovarium omnino includens, apice truncatus, 

 demum spathaceo-fissus, extus tomentosus; ovarium dense echinatum, uniloculare; Stylus 

 4 — 5 mm longus, plumosus. 



Papuasische Provinz: Key-Inseln, häußg (Warburg n. 20508!). 

 Einheim. Name: Kiwut. 

 Wird medizinisch verwendet. 



132. M. mallotoides F. Müll. Fragm. IV. (1863 — 64) 139. — Mappa mal- 

 lotoidcs F. Müll. Fragm. IV. (1863 — 64) 139. — Macaranga asterolasia F. Müll. Fragm. 

 IV. (1 863 — 64) 140. — Macaranga involucrata Benth. in Benth. et F. Müll. Fl. austr. VI. 

 (1873) 146; Banks et Soland. Illustr. Austr. pl. (1905) 90, t. 295. — Arbor 6 — 10 m 

 alta; ramuli graciles, cinereo-velutino-pubescentes, demum glabrescentes. Petiolus 2 — 

 7 cm longus, velutino-pubescens; limbus 11 — 1 8 cm longus, S 1 ^ — 1 4 cm latus, rhombeo- 

 ovatus, acuminatus vel abrupte caudato-acuminatus, basi truncatus vel rotundatus, ima 

 basi anguste cordulatus, sparse denticulatus, nonnunquam levissime subtrilobus, mem- 

 branaceus, supra ad nervös parce pilosus et prope basin maculari-2 — pluriglandulosus, 

 subtus ad nervös velutino-pubescens et granuloso-glandulosus, 3-nervius; stipulae lineari- 

 subulatae, 5 — 10 mm longae, pubescentes. Paniculae Q 1 7 — 9 cm longae, parce et 

 patenter ramosae, breviter pedunculatae, ramis inferioribus apice dense florigeris, basi 

 nudis; rhachis tenella, velutina; bracteae ramigerae lineares, acutae, =b 2 — 3 mm longae, 

 florigerae 2 — 7 mm longae, orbiculares, acutae, integrae, basi stipellari-bidentatae, re- 

 flexae, intus parce, extus modice pilosae, extus granuloso-glandulosae. Inflorescentiae 

 Q 14 — 22 cm longae, pedunculo 1 i / i — 12 cm longo incluso, villoso-pubescentes, in- 

 ferne nudae, deinde dissite, apice dense bracteigerae, simplices vel rarius parce ramosae; 

 bracteae 1 — 2 cm longae, rhombeo-ovatae vel orbiculari-ovatae, acutae, denticulatae, 

 brevissime petiolatae, utrinque puberulae, bistipulatae, extus granuloso-glandulosae, intus 

 ad marginem hinc inde patellari-glandulosae, 1-florae. Flores q* 1 y 2 mm ' a ^l sepala 3, 

 extus pilosa, parce granuloso-glandulosa; stamina 4 — 7; antherae 4-loculares. Calyx 

 Q tubulosus, ore dentatus, demum irregulariter flssus; ovarium parce echinatum, dense 

 granuloso-glandulosum, uniloculare; Stylus 5 — 6 mm longus, longe plumosus. 



Araukarienprovinz: Queensland (A. Dietrich!), Endeavour River (Cunning- 

 ham, Banks u. Solander!), Port Molle (Mc. Gillivray), Rockingham Bay (Dal- 

 lachy), Cape York (Daemel), Port Darwin (Holtze!). 



Nota. AM. involucrata certe speciflce diversa est et magis accedit ad M. keyensem quam 

 ad speciem laudatam. 



