264 Fr - Kränzlin. — Orchidaceae-Monandrae-Dendrobiinae. Pars \ . 



acuminata, brevi-petiolata, papyracea. Racemi 2 v. 3 pauciflori, bracteae quaedam 

 inanes infra flores, omnes ovatae, acutae, tenerrimae, quam ovarium longe pedicellatum 

 multo breviores. Sepala petalaque angustiora, e basi late ovata longe acuminata, men- 

 tum sepalorum lateralium brevissimum v. vix ullum. Labellum multo minus convolutum, 

 expansum transverse oblongum, antice in apicem productum, discus labelli callo in basi 

 antice libero lineisque radiantibus elevatulis lamellosis instructus. Stelidia gynostemii 

 cornuta, anthera antice barbatula. — Flores speciosi, lactei, 5 cm longi, labellum 

 lacteum 1 cm longum et latum, callus lineaeque aurantiaca. — Januario. 



Melanesische Provinz: Neu-Irland (Neu-Mecklenburg), zwischen Port Carteret 

 und Port Praslin (Micholitz!]. 



Nota. Proxima affini D. amboinensi Rollinson, a quo differt floribus multo minoribus 

 plerumque semiapertis fugacibus et calli indole. 



511. D. purissimum Kränzl. nov. sp. — Caules aggregali, e basi tenui fusi- 

 formes, nitidi, 15 — 18 cm alti, 1 cm diam. plurisulcati, circit. 1 2-articulati, apice 2 — 

 3-phylli. Folia brevi-petiolata, lanceolata, acuminata, ad 1 2 cm longa, medio 2 cm 

 lata. Racemi 1- v. 2-flori, e medio caule Orientes, bracteae minutae, ovatae, quam 

 pedicelli multo breviores. Sepalum dorsale oblongo-lanceolatum, lateralia mentum semi- 

 globosum formantia, ovato triangula. Petala aequilonga, lanceolata, omnia acuminata. 

 Labelli excavati lobi laterales magni, semiobovati, rotundati, intermedius minutus, tri- 

 angulus (si mavis tolum labellum latissime obcordatum, sinuatum, dente triangulo medio 

 in sinu), callus subdidymus, crassus, carnosus in ima basi. Gynostemium pro flore satis 

 altum, leviter flexum, stelidia longa, acuta, filamentum tenuissimum, breve. — Flores 

 candidi (absolumente bianchi), sepala petalaque 2,5 cm longa, basi 5 v. 8 mm lata, 

 labellum 1,2 cm longum et inter lobos laterales latum. 



Papuanische Provinz: Aru-Inseln; Grabu lefigan (Beccari ohne n.J). 

 Nota. Species floribus teneris, certe fugacibus, ad Desmotrieha (v. Cadetias) vergit, tarnen 

 melius hie enumeranda erit. 



512. D. inaequale Rolfe in Kew Bull. (1901) 147; Bot. Mag. t. 7745. — Huc 

 ponendum videtur D. Goxii Bailey in Queensl. Agric. Journ. XVI. (1906) 411. — Caules 

 e basi longa, tereti fusiformes, supra compressi v. plus minus distinete quadranguli, pauci- 

 pluriarticulati (5 — 15), ad 25 cm alti, supra 8 — 10 mm crassi, vaginis albido-griseis 

 in internodiis superioribus vestiti. Folia 2 v. 3 in apice caulis lanceolata, acuta, 

 acuminatave, ad 1 cm longa, ad 2 cm lata. Flores singuli (semper?, succedanei?) 

 passim ex axillis vaginarum Orientes, non resupinati; pedicelli tenues, 6 mm longi. 

 Sepala petalaque ovato-lanceolata, triangula, acuminata, reflexa, mentum sepalorum 

 lateralium subnullum. Labellum latissimum, subsimplex, transverse oblongum, in tubum 

 convolutum, antice triangulum, acutum, si mavis lobi laterales magni, oblongo-elliptici, 

 intermedius parvus, triangulus, callo satis conspicuo oblongo instructus. Stelidia subu- 

 lata; anthera antice papulosa. — Flores albido-viridi-lutei, labellum antice purpureo-stria- 

 tum, sepala petalaque 2 cm longa, 1 cm lata, labellum 1,2 cm longum, 1,8 cm latum. 

 — Fig. SSÖ-iV. 



Papuanische Provinz: Neu-Guinea (von F. Sander eingeführt). 

 Nota. Diagnosis D. Goxii Bailey quamquam e speeimine manco scripta, tarnen characte- 

 ribus omnibus cum illa D. inaequalis quadrat, ut non dubitem, quin eadem sit planta. 



513. D. spurium (Blume) J. J. Smith in Fl. Buitenz. VI. 343; Arnes, Orchidaceae 

 IL (1908) 185 c. xylogr. — D. unguiculatum Teijsm. et Binnend. Tijdschr. Ned. 

 Ind. V. (1853) 491; Miq. Fl. Ind. Bat. III. 634; Reichb. f. in Walp. Ann. VI. 303. — 

 D. euphlebium Reichb. f. ex Lindl. Journ. Linn. Soc. III. (1859) 7 et Xen. Orch. II. 26 

 t. HO; Miq. Fl. Ind. Bat. III. 633. — Dendrocolla spuria Blume, Bijdr. (1825) 

 290. — Aerides spurium Lindl. Gen. et Sp. Orch. (l 830) 241; Miq. Fl. Ind. Bat. III 

 697. — Sarcoehilus spurius Reichb. f. in Walp. Ann. VI. (1861 ) 500. — Thrixsper- 

 mum spurium Reichb. f. Xen. Orch. II. (1867) 12 2. — Rhizoma repens, brevi-articulatum, 

 crassum, nitidum, caules erecti, parte inferiore cylindracei, deinde fusiformes, tetragoni, 

 supra attenuati, pluriarticulati, ad 30 cm alti, ad 1 cm crassi, apice diphylli, folia 



