90 F. P ax - — Euphorbiaceae-Cluytieae. 



6. T. semperflorens (Roxb.) Müll. Arg. in DC. Prodr. XV. 2. (1866) H10; Hook. f. 

 Fl. Brit. India V. (4 887) 397. — Trigonostemon Hookerianus Müll. Arg. in DG. Prodr. 

 XV. 2. (1866) 1109. — Silvaea Hookeriana Baill. Etud. gen. Euphorb. (1858) 342. — 

 Silvaea semperflorens Hook, et Arn. Bot. Beechey's Voj. (1836) 211. — Gluytia sem- 

 perflorens Roxb. Fl. Ind. III. (1832) 730. — C. sempervirens Müll. Arg. in DC. Prodr. 

 XV. 2. (1866) 764. — Ägyneia ciliata Wall. Cat. 7 9 52. — A. tetrandra Wall. Cat. 

 7951. — Frutex parvus, erectus, ramosus, toto anno florens; ramuli satis crassi, dense 

 pubescentes. Petioli 3 — 10 mm longi; limbus membranaceus, 12 — 18 cm longus, 

 2Y2 — ^ cm latus, obovato-lanceolatus, acuminatus, basin versus cuneato-attenuatus, 

 dentieulatus, fuscidulus, secus nervös pilis paucis adspersus, ceterum glaber; stipulae 

 subulatae, parvae. Racemi valde abbreviati, glomeruliformes, valcle multiflori, sub- 

 globosi; pedicelli brevissimi; flores -rj 1 - purpurei, Q virides, quam q? majores, pauci. 

 Sepala inaequalia, lanceolata vel oblonga, hispida; petala late obovata; stamina 3; 

 discus profunde 5-lobus; ovarium hispidum; styli ad medium partiti. Capsula villoso- 

 hispida. 



Nordwestmalayische Provinz: Assam, Silhet, Cachar (Hooker, Roxburgh, 

 W T allich n. 7951 !, 8004). — Im botan. Garten Calcutta (Wallich n. 7886). 



Nota. Flores Q nonnunquam apetali videntur. — A cl. Müller Arg. sub synonymis 

 citatur Cluytia oblongifolia, quod nomen in genere Trigonostemone in Flora of British India 

 omissum est. Specimen sub hoc nomine ab horto Bogoriensi divulgatum, a me visum est 

 Gleistanthi species. 



7. T. malaccanus Müll. Arg. in Flora XL VII. (1864) 482; in DC. Prodr. XV. 2. 

 (1866) 1110; Hook. f. Fl. Brit. India V. (1887) 396. — Ramuli validi, glabri, apice 

 confertim foliosi. Petioli 3 — 10 cm longi, apice tumiduli; limbus 15 — 25 cm longus, 

 4 — 7 cm latus, lanceolatus, acuminatus, serrulatus vel subinteger, penninervius, subtus 

 purpurascenti-puberulus, supra cinereo-viridis, omnino juvenilis pilis brevissimis, paucis 

 adspersus, mox glabratus; costae secundariae utrinque 15 — 20; stipulae lineares, elon- 

 gatae. Racemi longissimi, brevissime tomentelli vel glabrati; pedicelli tf brevissimi, 

 Q post anthesin 5 mm longi, incrassati, apice in calycem abeuntes. Calyx q 1 1 1 / 2 mm 

 latus, Q 2 — 3 mm longus; lobi ovati, crassi; petala q 1 orbiculari-ovata, Q subulata 

 vel deficientia; disci q? glandulae liberae, Q in urceolum lobatum connata; stamina 3; 

 antherae loculi facie interiore supra connectivum dense papillosi; ovarium fulvo-sericeum; 

 styli usque ad basin bipartiti. 



Südwestmalayische Provinz: Malacca (Griffith n. 4782). 



8. T. laetus Baill. Etud. gen. Euphorb. (1858) 341; Müll. Arg. in DC. Prodr. XV. 2. 

 (1866) 1109; Kurz, Forest Fl. II. (1877) 407; Hook. f. Fl. Brit. India V. (1887) 397.— 

 Frutex; ramuli apice cum foliis juvenilibus parce puberuli, mox glabrati et subochraceo- 

 lenticellati. Petioli 2 — 10 cm longi; limbus 15 — 30 cm longus, 3 — 7 cm latus, ob- 

 ovato- vel rhombeo-lanceolatus, longe acuminatus, distanter serratus; stipulae vix 2 mm 

 longae, denticuliformes. Racemi spiciformes, fere a basi florigeri, multiflori, 5 — 10 cm 

 longi; bracteae 2 mm longae, triangulari-ovatae, subulato-acuminatae ; pedicelli breves. 

 Calyces 2 — 2y 2 mm longi, cinereo-sericei; petala puberula; discus q? 5-glandulosus, 

 Q urceolaris, obtuse 5-lobus; ovarium cinereo-sericeum ; styli ad medium 5-fidi. Cap- 

 sula depressa, 1 1 mm lata, 7 mm longa, glabra; semen subglobosum, 6 mm diametiens, 

 striolis fuscis marmoratum. 



Nordwestmalayische Provinz: Burma, Amherst (Wallich n. 7740 B); Ober- 

 Tenasserim (Kurz). 



9. T. sumatranus Pax et K. Hoffm. n. spec. — Ramuli cum foliis novellis fulvo- 

 pubescentes. Petioli longitudine valde variabiles, 5 — 15 mm longi, rigidi, pilosi; limbus 

 13 — 15 cm longus, 5 — 7 cm latus, obovato-lanceolatus, caudato-acuminatus, margine 

 undulatus, opacus, secus nervös subtus pilosus, glabrescens. Paniculae effusae, capil- 

 laceo-pedunculatae, bisexuales; bracteae lineares, 1 — 2 mm longae; pedicelli filiformes, 

 elongati. Floris q? valde juvenilis calyx 1 mm longus, pubescens, lobi trianguläres; 

 petala 2 mm longa, glabra, ovata, obtusa; stamina 3, monadelpha. Calyx Q 1 mm 



