374 F- P ax « — Euphorbiaceae-Acalypheae-Mercurialinae. 



Schutzgeb. Südsee (1901) 397. — Frulex vel arbor parva; ramuli satis graciles, dense 

 velutino-pubescentes. Petiolus 2Y2 — 1% cm longus, velutino-pubescens; limbus 11 — 

 21 cm longus, 7 — 20 cm latus, aut indivisus, triangulari- vel rhombeo-ovatus, cuspi- 

 dato-acuminatus, basi late truncatus vel rotundatus vel leviter cordatus, aut ± tri- 

 lobus, lobis lateralibus brevissimis, acutis, patentibus vel majoribus, acuminatis, rarius 

 lobis iterum lobulatis, denticulatus, membranaceus, subtus villosulo-pubescens et reticu- 

 lato-venosus, granuloso-glandulosus, supra parcius vestitus, trinervius, basi supra macu- 

 lari-2 — 4-glandulosus ; stipulae 4 — 7 mm longae, anguste lineares. Inflorescentiae (j 1 

 6 — 15 cm longae, pedunculo 2 — 4 cm longo, axillares, paniculatae, pubescentes; rami 

 distantes, breves, densiflori; bracteae ramigerae et glomeruligerae parvae, 1 — 3 mm 

 longae, triangulari-ovatae vel oblongae, acutae, saepe prope basin utrinque breviter et 

 obtuse unilobulatae, eglandulosae vel intus patellari-biglandulosae, multiflorae, extus et 

 intus pubescentes, extus granuloso-glandulosae, reflexae; pedicelli q 1 fere 1 mm longi. 

 Inflorescentiae Q axillares, solitariae vel seriatim 2, graciles, 9 — 25 cm longae, basi 

 longe nudae, pedunculo 6 — 15 cm longo, velutino-pubescentes, primo intuitu simplices, 

 sed revera abbreviato-paniculatae, ramis brevissimis bracteisque approximatis; bracteae 

 1 — 3 cm longae, foliaceae, ovatae, cuspidatae, utraque pagina pubescentes, denticu- 

 latae, supra praesertim prope basin secus marginem patellari-pluriglandulosae, 3 — 5- 

 florae; pedicelli 1 — 2 mm, sub fructu ad 4 mm longi. Flores q? 1 J / 2 — 2 mm lati; 

 sepala 3, oblonga, reflexa, concava, extus breviter pubescentia et flavo-granuloso-glan- 

 dulosa; stamina 10 — 12; antherae 4-loculares. Calyx Q cupularis, truncatus, 1 — 

 1 Y 2 mm altus, extus pubescens et glandulosus, intus parce pilosus; ovarium 1-loculare, 

 echinis mollibus, villosis, calycem valde superantibus dense tectum; Stylus plumosus, 

 apice revolutus, 4 — 6 mm longus. Capsula 5 mm diametiens, globosa, echinis prope basin 

 caducis, granuloso-glandulosa. Semen globosum, 4 mm diametiens, rugulosum, nigrum. 



Var. a. genuina Pax et K. Hoflm. n. var. — Folia indivisa vel triloba; lobi 

 integri. — Fig. 62 F, G. 



Zentromalayische Provinz: Ceramlaut (Warburg). 



Papuasische Provinz: Neu-Guinea, Kaiser Wilhelmsland, Finschhafen 

 (Hollrung n. 9ö!, Lauterbach n. 458!, 1480!, Warburg, Weinland n. 125!), 

 Constantinhafen (Lauterbach n. 1255!, Schlechter n. 14225!), Sattelberg (War- 

 burg, Nyman n. 628!, 629!), Saki (Schlechter n. 18288!), Kelel (Schlechter 

 n. 16146!), Bismarckgebirge (Lauterbach n. 2756!). — Tami-Inseln (Bamler!). — 

 Neu-Pommern, Massawa (Schlechter n. 13731!). 



Var. ß. lobulata Pax et K. Hoflm. n. var. — Folia triloba; lobi lobulati. 



Kaiser Wilhelmsland, Finschhafen, Kalueng (Hollrung n. 185!). 



Nota. In affinitatem M. Schleinitxianae pertinet specimen a Brander hörst sub n. 21 0! 

 in Nova Guinea lectum, floribus <$ valde juvenilibus praeditum: bracteae $ rhombeac, 5 — 7- 

 dentatae, saepe in laminulam productae, in dentibus intus patellari-glandulosae. Stamina 3 — 6; 

 antherae 4-loculares. Cl. Smith (Nov. Guinea VIII. [1910] 239) plantam cum M. involucrata 

 comparavit. — Verisimiliter speciem novam sistit. 



128. M. involucrata (Roxb.) Baill. Etud. gen. Euph. (1858) 432; Müll. Arg. in 

 DC. Prodr. XV. 2. (1866) 1011 ex parte. — Urtica involucrata Roxb. Hort. Beng. 

 (1814) 67; Fl. Ind. III. (1832) 592. — Mecostylis acalyphoides Kurz ex Teysm. et 

 Binnend. in Tijdschr. Nederl. Ind. XXVII. (1864) 44. — Tanarius involucratus O. Ktze. 

 Rev. gen. II. (1891) 620. — Frutex vel arbor; ramuli fulvo-pubescentes, deinde bre- 

 viter puberuli. Petiolus 3 — 6 cm longus, pubescens; limbus 8 — 15 cm longus, 5^2 — 

 13 1 / 2 cm latus, ovatus vel triangulari-ovatus, cuspidato-acuminatus, interdum obsolete 

 3-lobus, angustissime peltatus vel epeltatus et leviter cordatus, basi rotundatus vel 

 truncatus vel leviter cuneato-contractus , denticulatus, membranaceus, evolutus supra 

 parce pilosus, subtus ad nervös ± villoso-pubescens et dense granuloso-glandulosus, 

 supra basi maculari-a- 1 — 6-glandulosus vel rarius eglandulosus, 3 — 7-nervius; stipulae 

 5 — 10 mm longae, lineares, apice saepe recurvae, pubescentes. Paniculae q? diver- 

 genter ramosae; bracteae parvae, triangulari-ovatae, laminulari-acuininatae, superne 



