Dendrochilum. §9 



Pseudobulbi subcylindrici in rhizomate longo, lignoso, terete distantes, monophylli 1,25 — 

 2 cm longi. Folium basi angustatum, anguste lineari-lanceolatum, obtusum, mucronu- 

 latum, 5 cm longum, 6,5 mm latum. Racemi solitarii vel in scapo brevi crasso 7,5 — 

 1 cm longo ad basin pseudobulbi congesti, basi vaginati multiflori, rhachis scabrida, 

 bracteae ovatae, subacutae dimidium ovariorum pedicellatorum attingentes. Sepala lineari- 

 lanceolata. Petala angustiora. Labellum anguste lanceolatum, obtusum, carinae 2 late- 

 rales crassae et humiliore media in basi labelli. Gjnostemium breve, ala apicalis 

 denticulata, stelidia linearia, prope basin gynostemii inserta. Capsula subgloboso-ovata 

 triquetra. — Flores viridi-albi; sepala 3 mm longa. 



Monsungebiet, Malayische Halbinsel: Selangor, Bukis Hitam (Kelsall), 

 Pahang, Kluang Tarbang (Barnes). — n. v. 



5. D. pteriphilum (Rolfe) Pfitz. — Bulbophyllum pteriphilum Rolfe in Kew 

 Bull. (1894) 392. — Pseudobulbi anguste conici, in rhizomate scandente mox vaginis 

 destituto distantes, monophylli, 4 cm longi, 5 mm crassi. Folium lineari-oblongum, 

 subacutum. Racemus ad nodos infra pseudobulbum, heteranthus vel rarius sub pseudo- 

 bulbo folio juvenili synanthus, gracilis, erectus, multiflorus, basi vaginis membranaceis, 

 subacutis, mucronulatis vestitus ; bracteae ovario pedicellato duplo breviores, late ovatae 

 subacutae, convolutae. Sepala lanceolato-oblonga, subacuta. Petala sepalis paullo breviora, 

 dimidio angustiora, spathulata, subobtusa. Labellum petalis brevius, fractiflexum, oblongum, 

 subpanduratum, apice rotundatum, basi bicarinatum. Gynostemium breve, stelidia api- 

 calia, ala apicalis oblonga, rotundata, subulata aequilonga. Capsula .... — Flores 

 albi; sepala 3 mm longa. 



Monsungebiet, Südwestmalayische Provinz; Malayische Halbinsel: 

 Penang, auf Farnrhizomen (Curtis!). 



6. D. aurantiacum Blume, Bijdr. (1825) 398; Lindl. Gen. et spec. Orch. (1830) 

 34; Miq. Fl. Ind. batav. III. (1859) 626; J. J. Smith, Übers. Gatt. Dendrochilum, in 

 Recueil trav. botan. neerland. n. 1. (190 4) 8; Fl. de Buitenzorg VI. 161. — Pseudo- 

 bulbi anguste conico-ovati, internodia rhizomatis pseudobulbos interdum fere aequantia, 

 juniores vaginis ovatis, acutis, siccis manifeste nervosis inclusi, in rhizomate ascendente 

 statu juvenili vaginis tubulosis membranaceis appressis, acutis, tenuibus vestiti, deinde 

 mox denudati, subparalleli vel sub angulo acuto inserti, longe distantes, monophylli, 

 3,5 cm longi, 1 cm crassi. Folium in petiolum brevissimum sensim angustatum, lan- 

 ceolatum, subacutum, 5 — 7-nervium, 11 cm longum, 2 cm latum, nervis in foliis siccis 

 aequalibus subtus prominentibus. Scapus heteranthus, mox sub pseudobulbo, mox ad 

 nodum proximum rhizomatis insertus, basi parum incrassatus vaginisque brevibus acutis 

 scariosis nervosis fultus, folium adultum subaequans, fere usque ad florem infimum inclusus, 

 suberectus vel nutans, multiflorus, rhachis parce nigro-pilosa, bracteae ovario pedicellato 

 breviores, late ovatae, acutae, naviculares reflexae. Sepala anguste oblonga, subacuta, 

 subcarnosa. Pelala breviora, lanceolata, acuta. Labellum sepalis dimidio brevius, 

 linguiforme, subacutum, convexum, basi obscure angulatum, carinis 2 acutis. Gyno- 

 stemium curvatum, labello subbrevius, ala apicalis 2 — 3-dentata, stelidia e medio 

 gynostemio orta anguste triangula, acuta, falcata, alam apicalem superantia. — Flos 

 aurantiacus, suaveolens. Sepala 3 mm longa. — Fig. 32^4 — G. 



Monsungebiet, Südwestmalayische Provinz; Java: Salak (Blume, Zol- 

 linger, Smith), Gedoegan, Gede (Blume, Smith), Pangrenze; Sumatra. — v. fl. s. 



7. D. brevilabratum (Rendle) Pfitz. — Platyclinis brevildbrata Rendle in Journ. 

 of r Bot. XXXIX. (1901) 173; J. J. Smith, Übers. Gatt. Dendrochilum, in Recueil trav. 

 botan. neerland. n. 1. (1904) 16 sub D. comutum BI. — Acoridium brevilabratum 

 Rolfe in Orch. Rev. XII. (1904) 220. — Pseudobulbi fusiformes vel anguste ovati, in 

 rhizomate statu juvenili vaginis pellucidis vestito, deinde mox denudato satis distantes, 

 monophylli, 1,5 — 3 cm longi, 5 mm crassi. Folium in petiolum brevem angustatum, 

 anguste ellipticum, obtusiusculum , nervis 5 subtus prominentibus praeditum, 4 — 7 cm 

 longum, 8 mm — 1.4 cm latum. Scapus heteranthus, folio adulto duplo longior, multiflorus, 

 10 — 11 cm longus, basi vaginatus, rhachis glabra; bracteae latissime ovatae, acuminatae 



