94 F. P ax - — Euphorbiaceae-Cluytieae. 



(1864) 50. — Codiaeum aurantiacum Müll. Arg. in DG. Prodr. XV. 2. (1866) H18. — 

 Gemmae sericeae. Ramuli virides, glabri, angulosi. Petioli 10 — 14 mm longi; limbus 

 9 — 12 cm longus, 3 — 4^2 cm latus, elliptico-lanceolatus, acuminatus, basi acutus, dissite 

 crenatus, basi supra minute biglandulosus , glaber, chartaceus. Flores q? ad ramos 

 inferiores axillares, fasciculati, rarius solitarii, parvi, Q paniculati ; panicula terminalis, 

 pauci-ramosa; bracteae parvae, 1 y 2 mm longae, lanceolato-triangulares , subdistantes, 

 inferiores majores; pedicelli Q db 15 mm longi, tenues, glabri. Calycis lobi dorso 

 innato-uniglandulosi, (j* spathulato-obovati, Q 2 mm longi, masculo duplo majores; 

 petala obovata, aurantiaca; stamina 3; columna staminalis apice 3-fida; disci hypogyni 

 glandulae majusculae, antice truncatae, inciso-lacinulatae, glabrae, rubescentes ; ovarium 

 glabrum ; styli rigiduli, simplices, apice dilatati. 



Südwestmalayische Provinz: Insel Bangka (Teijsmann!). — Bot. Garten 

 Buitenzorg (Hillebrand!). 



Nota. Species adhuc incomplete nota, sed me ^udicante genus Tylosepalum melius ad 

 Trigonostemonis sectionem reducendum est; cum Codiaeo haud convenit. 



Species incertae affinitatis, imo quoad genus dubiae. 



19. T. laevigatus Müll. Arg. in Flora XL VII. (1864) 538; in DC. Prodr. XV. 

 2. (1866) 1111. — Arbor parva, fere omnino glabra. Petioli 1 — 2 cm longi; limbus 

 10 — 20 cm longus, 4 — ö 1 /^ cm latus, ellipticus vel lanceolatus, acuminatus, basi obtusus, 

 laevigatus, integer, chartaeeo-membranaceus, intense viridis; stipulae ovato-lanceolatae, 

 parvae. Inflorescentia sessilis, oppositifolia, dense bracteata; bracteae oblongo-ovatae, acu- 

 minatae, subincanae; pedicelli Q. validi, omnes utriusque sexus demum 10 — 15 mm attin- 

 gentes, parce adpresso-pubescentes. Calycis (j 1 lobi obovati, 4 mm longi, (J) lanceolato- 

 ovati, subacuti, 5 mm longi; petala utriusque sexus lanceolato-obovata ; antherae 3, 

 intra discum cyathiformem subsessiles, liberae; ovarium glabrum; styli breviter bifidi. 



Südwestmalayische Provinz: Borneo (Borber, Motley n. 686). 

 Nota. Verisimiliter non ad Trigonostemonem pertinet, potius genus proprium format, sed 

 vix tute definiendum. 



20. T. oliganthus K. Schum. in Schum. et Lauterb. Fl. Deutsch. Schutzgeb. 

 Nachtr. (1905) 2 98. — Arbor 3 — 5 m alta; ramuli novelli graciles, substriguloso- 

 pubescentes. Petiolus 5 — 6 mm longus; limbus oblanceolatus, attenuato-acuminatus, 

 basin versus angustatus, apicem versus serrulatus, membranaceus, utrinque secus nervum 

 medium parce pilosus, 15 — 22 cm longus, 3 — 4 cm latus; stipulae subulato-filiformes, 

 striguloso-tomentosae, 6 mm longae. Racemus § 8 cm longus , peduneulo 1 1 cm 

 longo suffultus, 5-florus, erectus, axillaris; pedicelli 5 — 8 mm longi. Sepala Q 3, 

 1 mm longa, ovata; ovarium tomentosum; styli fere usque ad basin bipartiti, 11 mm longi. 



Monsungebiet: Papuanische Provinz, Kaiser Wilhelmsland, Sattelberg, 

 um 800 m (Nyman n. 554). 



Nota. Gl. autor in speeimine Nymaniano sine ullo dubio speciem Trigonostemonis regoc- 

 noscere voluit; mihi autem affinitas cum genere nostro valde dubia remanet. Floribus <$ adhuc 

 ignotis speeimen vix rite definiendum est. 



Species exeludendae. 



Trigonostemon Cumingii Müll. Arg. in Linnaea XXXIV. (1865) 213 = Tritaxis 

 Cumingii (Müll. Arg.) Benth. — Cfr. Pflanzenreich, Jatropheae (1910) 114. 



T. Gaudichaudii Müll. Arg. in Linnaea XXXIV. (1865) 213 = Tritaxis Gaudi- 

 chaudii Baill. — Gfr. Pflanzenreich, Jatropheae (19 10) 113. 



T. Lawianus Müll. Arg. in Linnaea XXXIV. (1865) 2I2; in DG. Prodr. XV. 2. 

 (186 6) 1105 = Dimorphocalyx gldbellus Thwait. et D. Lawianus Hook. f. 



T. macrophyllus Müll. Arg. in Linnaea XXXIV. (1865) 213 = Ostodes macro- 

 phyllus (Müll. Arg.) Benth. 



T. zeylanicus Müll. Arg. in Linnaea XXXIV. (1865) 213 = Osfodes minor 

 (Thwait.) Müll. Arg. 



