Smith : Orchidaccac novae MaLayenscs X. 85 



siiperaiite, explaiiata traiisversa, late siibciineato-semiorbiculari, apice leviter 

 rotimdata, obsolète triloba, explanata c. 1.37 cm. lonj^a, 2.2 cm. lata, lobis 

 lateralibiis erectis, triaii<^iilis, maroine postico rotuiidatis, aiitice sijbtruncatis 

 duplicato-crenulatis, an^^ulo exteriore plus miiiusve deiitiformi-productis, lobo 

 iiitermedio leviter producto, brevissime rotundato-bilobulo cum apiculo in 

 siiiu. Gyiiostemium brève, crassum, dorso convexiim, margine in utraque 

 stigmatis parte obtusangule dilatatum, c 0.45 cm. longum, clinandrio alte 

 excavato, transverso, filamento tenuiter subulato, auriculis brevioribus, latis, 

 retusis, obtuse bidentatis, irregulariter marginatis. Anthera cucullata, antice 

 visa quinquangularis, margine apicali late obtusangulo ciliato recurvo quasi 

 truncata, bene 3 cm. lata. Pollinia 4, lateraliter compressa, semiobovata, 

 supra convexa, subtus' recta, 2 mediana altiora, 0.2 cm. longa. Stigma 

 urceolatum. Pes gynostemii cum ovario angulum rectum facieiis, superne 

 incurvus, linearis, apicem versus angustatus, auguste canaliculatus, 0.2 cm, 

 longus. Ovarium ôsulcatum, c. 0.6 cm. longum; pedicellus tenuis, c. 1.3 cm. 

 longus. 



Sumatra: Padangsche Bovenlanden, Agam, Boekit Batoe Banting. 

 (W. Oroeneveldt, cuit, sub n. 1740). 



Though . 1 hâve not seen the végétative parts of this plant, I hâve 

 described it as a new species, because the flowers are very characteristic 

 and easily recognizable. 



„Peduncle violet brown. Bracts brownish violet. Ovary and pedicel 

 light olive greeii, the former one tinted violet. Flowers light yellowish 

 green, the sepals with 7, the petals with 5 purple nerves, the latéral sepals 

 and petals more or less veined transversely. Lip in the centre with 5 thin 

 purple nerves from the base to the apex, the side lobes veined purple. 

 Column whitish with a faint green hue. Anther white". (E. JACOBSON). 



Description from inflorescences preserved in alcohol. 



Dcndrobium (sect. Calcarifera) transtilliferum J. J. S. n. sp. 



Gaules elongati, tenuisculi, basin et apicem versus attenuati, parte in- 

 feriore excepta flexuosi, teretes, mox loiigitudinaliter sulcati, pars adest ad 

 c. 62 cm. longa, 0.6 cm. diam., internodiis ad c. 3 cm. longis, superioribus 

 decrescentibus. Folia patentia, lanceolata ad lineari-lanceolata, apicem ver- 

 sus angustata, apice inaequaliter obtusa vel plerumque utroque latere oblique 

 triangula, basi vix angustata semiamplexicaulia, costa média supra sulcata 

 subtus non prominente, papyracea, ad c. 9 cm. longa, 1.5 cm. lata, superiora 

 decrescentia; vaginae tubulosae, internodia aequantes. hiflorescentiae e nodis 

 superioribus caulium defoliatorum, brevissimae, subsessiles, c. 2 — ôflorae, 

 rachide tenui, c. 0.4—1.2 cm. longa, Bracteae adpressae, oblongo-triangulae, 

 acutae, concavae, ad c. 0.3 cm. longae. Flores c. 1.1 cm. lati, 2 cm. longi. 

 Sepalum dorsale erectum, apice recurvum, ovato-quinquangulare, apicem 

 versus angustatum, acutiusculum, apice convexo excepto concavum, 5nervium, 



