48 F- Pax. — Euphorbiaceae-Acalypheae-Mercurialinae. 



B. Folia vix reticulato-venosa. Stamina circ. 30. Ovarium 



saepissime 2-loculare 2. B. Kurzii. 



C. Species incertae sedis 3. B. subrotundifoliam. 



1. B. tokbrai (Blume) J. J. Smith in Mededeel. Departm. Landbouw 10. (1910) 

 460; Koorders, Exkursionsfl. Java II. (1912) 49 3. — Elateriospermum tokbrai Blume, 

 Bijdr. (1825) 621; Hassk. PI. jav. rar. (18 48) 251; Miq. Fl. Ind. Bat. I. 2. (1859) 

 412. — Mallotus tokbrai Müll. Arg. in DG. Prodr. XV. 2. (1866) 956: Pax in Pflan- 

 zenreich, Jatropheae (1910) 18. — Rottlera tokbrai Scheff. in Miq. Ann. Mus. Lugd. 

 Bat. IV. (1868 — 1869) 122. — Arbor magna, ad 40 m alta; ramuli tenues, glabri; 

 gemmae gummiferae. Folia alterna vel saepius opposita vel verticillata; petiolus \ i / 2 — 

 5y 2 cm longus, apice et basi tumidus, glaber; limbus 7 — 22 cm longus, 3 — 11 cm 

 latus, ellipticus vel oblongus, subabrupte obtuse acuminatus, basi acutus, integer, coria- 

 ceus, supra nitidus, glaber vel tantum in nervis sparse et minute stellato-pilosus, reti- 

 culato-venosus ; costae secundariae utrinque 6 — 8; stipulae nullae. Spicae (j* 2*/^ — 

 20 cm longae, laxiflorae; rhachis subglabra, glutinosa; bracteae minutissimae, 1 — 3- 

 florae; pedicelli 2- — 14 mm longi, prope basin articulati. Inflorescentiae Q axillares 

 vel in ramulis breviusculis paucifoliatis terminales, brevissimae, pedunculatae, densae, 

 saepe subumbellato-racemosae, subglabrae, circ. 3 — 9-florae, glutinosae, 1 i / 2 — 4 cm 

 attingentes; pedunculus 1 — 2*/ 2 cm longus, pedicelli 3 — 6 mm longi, sub fructu crasse 

 lignosi, ad 16 mm attingentes. Sepala q? 4, glabra, 4 — 5 mm longa, inaequalia, reflexa, 

 convexa, oblonga, lanceolata vel ovata; stamina 14 — 18; receptaculum glabrum. Sepala 

 Q 3 — 5, oblongo- vel lineari-triangularia, inaequalia, acuta, convexa, patentia, dorso 

 et margine puberula, carnosula, 1 — 4 mm longa; ovarium ovoideo-conicum, trigonum, 

 glabrum; Stigmata crassa, */ 2 — 1 y 2 mm longa; discus annularis, carnosus, nonnullis 

 denticulis verruciformibus, in excavationibus sitis donatus. Capsula globosa, 4 — 5 cm 

 lata, 3 — 4 cm alta, glabra, laevis, nitide ochracea. Semina 25 — 27 mm longa, 17 mm 

 lata, 12 mm crassa, fabiformia; testae Stratum exterius crassum, gelatinosum, interius 

 osseum. 



Südwestmalayische Provinz: Java, im Regenwalde nicht selten, aber zerstreut, 

 meist nur bis 1200 m aufwärts (Blume!, Koorders n. 2195/:?!, 11 747/J!, 21914/i?!}. 

 — Borneo, Sarawak (Haviland u. Hose n. 3103!). 



Verwendung: Liefert Bauholz. 



Einheim. Namen: Tokbrai, Ki-koehkoeran, Djebret, Ketjipir. 



2. B. Kurzii (Hook, f.) J.J.Smith in Mededeel. Departm. Landbouw 10. (1910) 

 463; Koorders, Exkursionsfl. Java II. (1912) 493. — B. tokbrai Kurz in Journ. Asiat. 

 Soc. Bengal XLII. (1873) 245; Forest Fl. II. (1877) 391. — Mallotus Kurzii Hook. f. 

 Fl. Brit. Ind. V. (1887) 427. — Arbor 15 — 20 m alta; ramuli glabri; gemmae glu- 

 tinosae. Folia 2 — 7-verticillata; petiolus 3 — S l / 2 cm longus, basi et apice incrassatus, 

 glaber; limbus 12 — 27 cm longus, 6 — 16 cm latus, oblongo-ovatus vel subovatus vel 

 ellipticus, abrupte obtuse acuminatus, basi obtusus vel acutus, integer vel laxe repandus, 

 glaber, ima basi supra maculari-biglandulosus, 3 — 5-nervius, firme coriaceus, supra 

 nitidulus, indistincte reticulato-venosus. Spicae q? fasciculatae, circ. 1 cm longae, bre- 

 viter pedunculatae, pluriflorae, glabrae, glutinosae; pedicelli 4 — 7 mm longi. glabri: 

 inflorescentiae Q axillares, fasciculatae, brevissimae, simplices vel paulo paniculatim 

 ramosae, pedunculatae, pauci- vel pluriflorae, glabrae, glutinosae, I — 2 cm longae: 

 pedunculus 5 — 9 mm longus; bracteae deficientes; pedicelli 2 mm longi. Sepala tf 3, 

 glabra, ovata, reflexa, 4y 2 mm longa; stamina circ. 30. Calyx Q cupuliformis, mini- 

 mus, 4-lobus vel 4-dentatus, glaber, circ. 1 mm altus; ovarium glabrum, compressum; 

 styli circ. 2y 2 — 3 mm longi; discus 4-lobus. Capsula 3y 2 cm alta, 4'/j cm lata. 

 Semina subreniformia. 



Südwestmalayische Provinz: Andamanen (Helfer n. 5010, Kurz). Perak? 

 (King's Collector). Java, im Regenwalde sehr zerstreut bis 1000 m aufwärts 

 (Koorders n. 2194/9!, 2199/5). 



Einheim. Namen: Tokbrai, Kawang. 



