76 Fr. Kränzlin. — Orchidaceae-Monandrae-Dendrobiinae. Parsl. 



mentum vix prominulum, subobliquuni formantia. Petala rhombea, utrinque rotunduta, 

 apiculata, sepalis aequilonga. Labelluni basi gynostemii latisshnae affixum, cochleatum, 

 lobi laterales erecti, semioblongi, rotundati, totus discus papillis hyalinis densissime 

 vestitus , margine anteriore retusus, lobus interrnedius triangulus, acutus, margini illius 

 partis basilaris subpositus, glaber (si mavis hypochilium labelli cochleatum, epichiliuni 

 ovato-triangulum). Gynostemiurn latlssimum, rostellum latum rotundatum, androclinii 

 stelidia acuta, filamentum longius lineare apice bidenticulatum, anthera postice emargi- 

 nata, antice eleganter lacero-dentata. — Flores hyalini v. amethystini, apicibus lutescentes, 

 sepala petalaque 1,6 cm longa, sepala 5 — 6, petala 7 — 8 mm lata, labellum album 

 1 cm longum 8 mm latum, pedunculus 2,5 — 2,8 cm longus basi paulisper dilatatus vix 

 in ovarium incrassatus, anthera violacea. 



Südwestmal ayische Provinz: Malacca, Pulan Tioman (Insel an der Ostküste 

 von Johore) (Nanson!, Herb. Kew.!). 



Nota. Flores Ulis D. adunci Wall, similes, plerumque amethystini v. albidi, amethystino- 

 suffusi, labellum Uli Cephala ntherae rubrae comparandum; hypochilio cupuliformi intus verruculoso 

 et epichilio ovato bene diversum. 



100. D. Muellerianum Schlechter in Fedde, Repert. III. (1907) 316. — Rhizoma 

 decumbens, caulibus dissitis obsessum. Caules graciles, cylindracei, vaginis foliorum 

 obtecti, laxe foliati, ad 40 cm alti, 4 — 5 mm crassi. Folia lanceolata v. ligulata, apice 

 inaequali- et acuto-biloba, coriacea, 3 — 5 cm longa, 5 — 9 mm lata. Racemi laterales 

 breves, 2 — -5-flori, folia aequantes v. sublongiores; bracteae? (non descriptae). Sepalum 

 dorsale ovato-oblongum, obtusum ; lateralia aequilonga, obtusa, obliqua, basin versus 

 margine anteriore dilatata; mentum? (non descriptum). Petala oblique oblonga, obtusa, 

 paulurn decurrentia, sepalis subaequilonga. Labellum circuitu subquadratum, trilobum, 

 lobi laterales oblongi, obtusi; lobus interrnedius transversus, minute apiculatus; callus 

 bicarinatus ab ipsa basi ad medium decurrens, apice callo bicruri ad basi (sie!) lobi 

 intermedii decurrente auetus. Gynostemiurn breve; pes produetus; clinandrium brevi- 

 tridentatum. — Flores medioeres; sepala 1 cm longa, lateralia basi 8 mm lata; la- 

 bellum 8 cm longum (lobus interrnedius 4 cm longus) et latum ; ovarium cum pedi- 

 cello 1,5 cm longum. — Mihi non visum. 



Austromalayische Provinz: Queensland, Mt. Bartle Frere (Johnson). 



10 1. D. aduneum Wall, in Bot. Reg. (1842), Mise. 62; XXXII. (1849) 15; 

 Bot. Magaz. t. 6784; Reichb. f. in Walp. Ann. VI. 295; Veitch, Man. Dendrob. 14; 

 Williams, Orch. Grow. Man. 7. ed. 322; Sander, Orch. Guide 66; Hook. f. Fl. Rrit. 

 Ind. V. 730 et VI. 185; King et Pantl. in Ann. Bot. Gard. Calc. VIII. 48 t. 67. — 

 Caules penduli, tenues, ramosi, vivipari, plus minus fractiflexi, ad 60 cm longi, ramuli 

 v. caules juniores foliosi. Folia lineari-lanceolata, acuminata. Racemi breves, pauci- 

 flori, bracteae minutae, obtusae, vaginae rhachidis lanceolato-acuminatae. Sepala late 

 ovata, acuta, lateralia mentum breve saccatum obtusum formantia. Petala subcon- 

 formia, brevi-oblonga, acuta, omnia patentia. Labellum unguiculatum, late ovatum, 

 acutum, coneavum, apice deflexum, totus discus excepta area subquadrata centrali 

 puberulus, margine ciliatus. Gynostemiurn antice puberulum, altum quam latum, ste- 

 lidia maxima, lobulata, filamentum tenue, filiforme, anthera crystallino-papillosa, antice 

 retusa. — Flores expansi 2,5 — 3 cm diam. albi, roseo-suffusi, seu albidi dilute-roseo- 

 signati, omnes partes 1,6 — 1,8 cm longae, 1 — 1,2 cm latae. — Junio — Augusto. 



Provinz des tropischen Himalaya: bis Ober-Burmah verbreitet, in Höhen 

 bis zu 600 — 700 m ü. d. M., Sikkim (Pantling n. 272!, Clarke n. 46662!). — Bootan 

 (Mrs. Lister n. 2!). 



102. D. acrobaticum Reichb. f. in Gard. Chron. (1870) 802; Hook. f. Fl. Brit. 

 Ind. V. 751; Grant, Orch. Burmah 63. — »Caulibus oblongo-ligulatis, tumidis, parvis, 

 alteri cauli insidentibus, foliis oblongo-ligulatis, racemis apice paucifloris, sepalis late- 

 ralibus mento obtusato ligulatis obtusis, petalis oblongis basi cum callo bigibbo intus, 

 labello obtusangulo rhombeo, callo transverso ligulato in ungue, disco minutissime velu- 

 tino, columna apice utrinque dolabriformi, fovea in basi transversa sursum acuta.« — 



