342 F r - Kränzlin. — Orchidaceae-Monandrae-Dendrobiinae. Pars \. 



triangulae. Sepalum dorsale e basi ovato-triangula angustatum, lineare; lateralia oblique 

 triangula, subfalcata, linearia mentum breve, obtusum formantia. Petala e basi paulo 

 latiore filiformia, haec omnia patentissima, flava; sepala 3,2 cm longa, dorsale 5 mm, 

 lateralia 7 mm lata, petala 2,8 Qm longa 0,5 mm lata. Labellum toto ambitu e basi 

 cuneata rhombeum, lobi laterales erecti, subrhombei, angulo superiore rotundati, mar- 

 gine antico minute denticulati, lobus intermedius recurvus, oblongo-obovatus, breviter 

 acutatus, undulatus, rugulosus, lamellulae in dimidio superiore disci 2 valde approxi- 

 matae, discus lobi intermedii leviter incrassatus, labellum flavescens, antice parce atro- 

 purpureo-punctatum, basi (lobi laterales) transverse purpureo-maculatum, 1,1 cm longum, 

 6,5 mm latum. Gynostemium breve, flavo-viride, purpureo-punctulatum , clinandrium 

 denticulatum, filamentum et stelidia dentiformia; pes gynostemii recte descendens. 

 Papuanische Provinz: Neu-Guinea, ohne besonderen Standort (Meijer). 



25. D. tipula (J. J. Smith) Kränzl. — Dendrobium Tipula J. J. Smith in Bull. 

 Dep. agr. Ind. neerl. XIX. (1908) 20 et in Nova Guin. VIII. T. \. 59 tab. XXI, flg. 68. 

 — Rhizoma abbreviatum, pseudobulbi approximati, e basi fusiformi inci'assaü, 2,5 cm 

 longi, 6 — 7 mm crassi, deinde in Collum longum attenuati, toti 14 — 24 cm longi, 

 monophylli. Folia lanceolato-oblonga, apice bidentata, basi angustata, coriacea, 7,5 — 

 8,5 cm longa, 1,8 — 1,9 cm lata. Spatha conduplicata, flores succedanei, singuli, 

 mediocres, bracteae minutae. Sepalum dorsale elongato-triangulum, antice lineare, 

 lateralia basi valde obliqua, ceterum similia, mentum incurvum , obtusum, pro flore breve 

 formantia; omnia 2,5 — 2,6 cm longa, dorsale basi 3,6 mm, lateralia vix latiora, mentum 

 5,7 mm longum. Petala lineari-filiformia, basi paulum latiora, subbreviora. Labellum 

 erectum, toto ambitu panduratum, antice recurvum, omnino puberulum, lobi laterales 

 erecti, semiobovati, rotundati, gynostemium subamplectentes , fusco-vittati, lobus inter- 

 medius multo longior, quadratus, antice dilatatus, semiorbicularis v. potius latissime ob- 

 longo-ovatus, breviacutatus, margine undulatus, lamellae in disco 2, e basi per 2 / 3 totius 

 disci decurrentes, undulatae, antice desinentes, totum labellum 1 , 1 cm longum, 4 — 5 mm 

 latum. Sepala petalaque extus rubescentia, intus flavescentia, labellum ochraceum, fusco- 

 vittatum. Gynostemium crassum, conicum, viride, clinandrium denticulatum. 



Papuanische Provinz: Niederl. Neu-Guinea. Am Noord-Fluss, südlich des 

 Geluks-Hügels. (Nach J. J. Smith.) 



26. D. validicolle (J. J. Smith) Kränzl. — Dendrobiwn validieolle J. J. Smith in 

 Bull. Dep. agr. Ind. neerl. n. XIX. (1908) 21 et in Nova Guin. VIII. T. 1. 59 tab. XXII, 

 flg. 69. — Rhizoma abbreviatum. Pseudobulbi approximati, validi, in Collum subteres, 

 supra leviter incrassatum elongati, toti 20 ad 3 cm longi, basi cataphyllis magnis 

 vestiti, monophylli. Folium oblongum, apicem versus paulum dilatalum, rotundatum, 

 emarginatum, basi leviter complicatum, coriaceum, rigidum, subtus opacum, 18 ad 22 cm 

 longum, 5,5 — 6,3 cm latum. Spatha straminea, coriacea, complicata, 4 — 4,7 cm longa; 

 flores ephemeri, succedanei, pedunculi 3 — 4 cm longi, nonnullis vaginis membranaceis 

 vestiti, bracteae minutae, brevi-acuminalae. Sepalum dorsale erectum, anguste trian- 

 gulum, lateralia basi paulum latiora, obliqua, ceterum similia, mentum brevissimum, 

 saccatum formantia, 5 cm longa, basi dorsale 7,5 mm, lateralia 9,5 mm lata. Petala 

 linearia, basi vix latiora ibique erecto-curvata, 4,25 cm longa, basi 3,5 mm lata, medio 

 et antice multo angustiora; omnia pallide flavescentia. Labellum curvatum, toto ambitu 

 oblongum, obscure trilobum, lobi laterales erecti, late rotundati, intermedius ab illis vix 

 sejunctus, antepositus, orbicularis, margine undulatus ; calli farinaceo-papillosi per discum 2, 

 antice plus minus obscuri et in elevationem tricostatam pilosam evanidi, totum labellum 

 expansum 1,25 cm longum, 7 mm latum, flavescens, medio in disco album, purpureo- 

 marginatum, lobi laterales purpureo-striati. Gynostemium truncatum, perbreve, 4 mm 

 altum, supra, retusum, rostellum bipartitum. 



Papuanische Provinz: Niederl. Neu-Guinea. Am Noord-Fluss südlich des Geluks- 

 Hügels (Expedition Lorentz n. 367). (Nach J. J. Smith.) 



Nota. Planta statura magna et floribus certe insignis, labellum contra pro flore minuto 

 notabilis. 



