IQg Pfitzer-Kränzlin. — Orchidaceae-Monandrae-Coelogyninae. 



basali duplo longiore elliptico acuto, callis 2 inter lobos laterales. Gynostemium dimi- 

 dium labelli aequans curvatum, ala apicalis cucullata, stelidia supra basin gynostemii 

 inserta, longa, acuta, alam apicalem aequantia. — Sepala 1,8 mm longa. 



Monsungebiet, Südwestmalayische Provinz; Borneo: Sarawak (Haviland 

 n. 2346). — Herb. Kew. 



48. D. linearifolium Hook. f. Icon. XIX. (1889) t. 1859 et Fl. Brit. Ind. V. 

 (1890) 782. — Acoridium linearifolium Rolfe in Orch. Rev. XII. (19 04) 220. — 

 Pseudobulbi parvi ovati, in rhizomate repente parum distantes, basi vaginis acutis 

 brevibus obtecti, monophylli, circiter 1 cm longi. Folium petiolatum, oblongum v. lineari- 

 oblongum, obtusum, in petiolum angustatum, 6 — 6,5 cm longum, 7 — 8 mm latum. 

 Racemus synantlius, cernuus, multiflorus, gracilis, quam folia duplo longior, 1 cm 

 longus, bracteae subulato-lanceolatae, ovarium superantes. Sepala lanceolata, acuminata. 

 Petala similia, trinervia. Labellum oblongum v. obovatum, leviter trilobum, lobi late- 

 rales parvi acuti, intermedius ovato-oblongus v. subquadratus, subacutus, carinae 3 in 

 disco labelli ab ipsa basi ad v. ultra medium decurrentes ibique evanidae. Gynostemium 

 quam sepala vix semilongum, curvatum, laciniae basilares lineares, subacutae, oblique 

 ascendentes , gynostemii dimidium aequantes. — Flores virescentes 1 cm diam. — 

 Fig. 36l>. 



Monsungebiet, Südwestmalayische Provinz; Malayische Halbinsel: 

 Ghosang (Scortechinil) ; Batang Padang in 1600 m ü. d. M. (Wray!). 



49. D. Micholitzianum Kränzl. in Engler's Bot. Jahrb. XVII. (1893) 486; 

 J. J. Smith, Übers. Gatt. Dendrochilum, in Recueil trav. botan. neerland. n. I. (1904) 

 21. — Pseudobulbi pyriformes, congesti, monophylli, 2,5 cm longi, 7 mm crassi. Folium 

 in petiolum lamina triplo breviorem angustatum, lineare, acutum, coriaceum, 12,5 cm 

 longum, 2,5 mm latum. Scapus ad 1 5 cm longus, folium parum superans, multiflorus; 

 bracteae Ovaria pedicellata aequantes, ovatae, acutae. Sepala ovato-oblonga. Petala 

 oblonga, acuta, uninervia. Labellum panduratum, trilobum, lobi laterales breves acuti, 

 lobus medius oblongus acutus, carinae 2 elevatae parallelae media humiliore inter- 

 jecta, omnibus antice sensim evanescentibus in disco labelli. Gynostemium breve, ala 

 apicalis multidentata, dentibus mediis laterales superantibus, stelidia basalia triangula, 

 acuta, satis magna. — Flos luteo-viridis ; sepala 3 mm longa. 



Monsungebiet, Südwestmalayische Provinz; West-Sumatra: Berge bei 

 Padang 1000 m. Nov. 1891 (Micholitz). 



50. D. longifolium Reichb. f. in Bonplandia IV. (1856) 329; Ridley in Journ. 

 As. Soc. (Straits Branch) ( 1 90 0) 154. — Platyclinis longifolia (Reichb. f.) Hemsl. in 

 Gard. Chron. (1881) II. 656; Benth. in Benth. et Hook. f. Gen. III. 2. (1883) 496. — 

 Acoridium longifolium Rolfe in Orch. Rev. XII. (1904) 220. — Pseudobulbi conici, 

 congesti, vaginis longe angustatis pseudobulbum duplo superantibus vestiti, circ. 3 cm 

 longi. Folia angusta, oblongo-ligulata, acuta, basi in petiolum pseudobulbo longiorem 

 sensim angustata, ad 60 cm longa. Racemus nutans, foliis et bulbis maturis synantlius, 

 scapus infra teres, strictus, superne flexuosus, angulatus; bracteae oblongae, apiculatae, 

 ovariis subaequales. Sepala petalaque lanceolato-triangula, acuta. Labellum ligulatum, 

 antice ovato-rhombeum, acutum, supra medium utrinque antrorsum falcato-dentatum, 

 carinulae undulatae 2 a basi in medium; falculae 2 supra medium gynostemium abbre- 

 viatae; androclinium retusum, tridentatum. ' Anthera cum apiculo; caudiculae perbreves. 

 — Flores brunnei inter majores generis, sepala fere 1 cm longa, petala vix breviora. — 

 Floret toto anno. — Fig. 36Ä 



Monsungebiet, Südwestmalayische Provinz; Malayische Halbinsel: 

 Singapore (Ridley). — Provinz der Philippinen: Luzon (Jagor n. 680 !). 



Nota. Quamvis mirandum sit, plantam peninsulae Malayanae indigenam etiam in insulis 

 Philippinis occurrere, tarnen plantam a cl. Jagor collectam ex descriptione ab illis Ridleyi 

 distinguere nequeo. 



51. D. macrobulbon Kränzl. — Rhizoma validum, ut videtur breve, pseudobulbi 

 congesti, elongato-ovati v. subcylindracei , intense lutei, 8 — 9 cm longi, 2 cm crassi, 



