352 F'"- Kränzlin. — Orchidaceae-Monandrae-Dendrobiinae. Pars*. 



obtusi; intermedius magnus, dilatatus, emarginatus, denticulo interjecto; callus magnus, 

 transversus in ipsa basi, addita ulrinque lamella in denticulum exeunte. Gynostemium 

 pro flore longum et latuni; filamentum et stelidia triangula, acuta, pes gynostemii cum 

 ovarium angulum fere rectum efficiens. — Flores pallide lutei, sepala 5 — 6 mm longa, 

 3 v. 4 mm lata, petala subaequimagna, labellum 5,7 mm longum 4,7 mm latum. 



Südwestmalayische Provinz: Java. Gede (Sammler?; Herb. Lugduno-Batav. 

 n. 903). — Nach J. J. Smith. 



1 5a. D. bancannm (J. J. Smith) Kränzl. — Dendrobium bancanum J. J. Smith 

 in Bull. Dep. Agric. Ind. neerl. XXII. (1909) 23. — Bhizoma breve, ramosum; rami 

 7 — 10 cm longi, internodium terminale in pseudobulbum ovato-Ianceolalum, circuitu 

 ellipticum, postremo sulcatum, 3,5 — 4,5 cm longum, 9 — 11 mm crassum, monophyllum 

 incrassatum. Folium ovato-lanceolatum, obtuse bilobum, basi plicatum, supra nitidum, 

 subtus pallidius, 9,5 — 11 cm longum, 2 cm latum. Flores fasciculati, 1—3 simul 

 florentes, bracteae minimae, triangulae. Flores ephemeri, flavescentes, extus fusco- 

 squamulosi v. furfuracei. Sepalum dorsale ovatum, oblusum, lateralia oblique triangula, 

 obtusa, antice in marginibus recurva, postice mentum breve, curvulum, obtusum, aper- 

 tum formantia, sepalum dorsale 6 mm, lateralia cum mento 1,5 cm longa. Petala 

 obovata, obtusa, convexa, 5,2 mm longa, 2,7 mm lata; haec omnia flavescentia. La- 

 bellum toto ambitu spathulatum, trilobum, basi sulcatum, lobi laterales parvi, erecti, 

 oblique rotundati, lobus intermedius late et brevi-unguiculatus (ungue quinquangulo), toto 

 ambitu suborbicularis, antice profunde biparlitus, denticulo triangulo in sinu, lobulus 

 uterque oblique obovatus, totum labellum ca. 1,5 cm longum, inter lobos laterales 6,6 mm 

 latum, costae medianae 3, ex ungue labelli in discum, laterales in denticulum decurrentes, 

 lobus intermedius 6 mm longus, 7 — 8 mm latus, basis labelli flava, lobus intermedius 

 pallide aurantiacus, lobi laterales albescentes, purpureo-suffusi, costae pallide aurantiacae, 

 purpureo-marginatae. Clinandrium margine denticulatum, stelidia triangula, plus minus 

 truncata. 



Südwestmalayische Provinz: Insel Bangka (J. J. Smith). Kultiviert im Botan. 

 Garten zu Buitenzorg. 



Nota. Ex affinitate Desm. angustifolii, a quo difTert rhizomate breviore, foliis latioribus, 

 caulibus minus ramosis, et D. convcxi, a quo differt etiam rhizomate breviore, foliis minus crassis 

 et majori bus. 



16. D. grandiflorum Blume, Bijdr. (1825) 331. — Dendrobium grandiflorum 

 Lindl. Gen. et Sp. Orch. (1830) 77; Miq. Fl. Ind. Bat. III. 63 4; Beichb. f. Xen. Orch. 

 II. 25 t. HO. I; J. J. Smith in Fl. Buitenz. VI. 323. — Bhizoma longe repens nitidum, 

 quasi vernixium, multiarticulatum, lignosum. Caules in pseudobulbos incrassati, circiter 

 3 cm inter se distanfes. fusiformes oblongive aneipites pluricostati, 2 — 2,5 cm longi, 

 8 — 10 mm lati, monophylli. Folia oblonga, v. ovato-oblonga apice biloba, ulrinque obtusa, 

 subcoriacea, sicca reticulata, 2,5 — 3,5 cm longa, basi 1,5 — 1,8 cm lata. Flores solitarii 

 (s. pauci succedanei?). Sepalum dorsale oblongum, acutum, lateralia multo majora, 

 antice triangula, obtusa, mentum ter v. quater longius, leviter curvatum, obtusum, apertum 

 formantia. Petala minuta lanceolata, acuta. Labellum e basi angustissima euneatum, 

 dilatatum, antice trilobum ; lobi laterales vix evoluti, in dentes triangulos redueti, lobus 

 intermedius dilatatus, transverse oblongus v. suborbicularis, emarginatus, margine plus 

 minus crenulato, lineae elevatae per discum ab ipsa basi ad basin lobi intermedii 3, 

 intermedia paulum minor. Gynostemium breve. — Flores albi v. ochroleuce suffusi, 

 sepalum dorsale 1 cm longum, 4 — 5 mm latum, petala 8 mm longa, 2 — 2,5 mm lata, 

 sepala lateralia 2,5 cm longa, antice 6 mm lata, labellum aequilongum. — Januario — 

 Augustum. 



Südwestmalayische Provinz: Java. Berg Salak, bei Passir (Blume). Ohne 

 Angabe des Fundortes (Kühl u. van Hasselt). Prov. Probolingo, am Berge Tamp 

 (Zollinger n. 715Z.). — Timor (Forbes n. 3820!). 



Nota. Per totum annum florere videtur, flores certe succedanei et fugacissimi, descriptio 

 e speeimine Forbesii. 



