Smith : Orchidaccae novae Malayenses X. 37 



elevatiim. Ovariiim ôsiilcatiim, c. 0.1 cm. Ion<,nini ; peclicelliis 0.13 cm. 

 loiigus. 



Sumatra: r\idan<:îsclie Boveiilaiulcii, Goeiioeng Talan<j^, 1800 m., in 

 forest. (H. A. B. BiiNNEMEljEl^ ii. 5233, Octobcr 1918). As qiioteci, 2500 

 m., in iiiiderbnisli. (H. A. B. BiiNNEMEljER n. 5502, November 1918;. 



Near D. inciirvibracliiiini J.J. S. but witli sliorter semiterete pseudobulbs 

 which are pressed agaiiist the rhizome, sliorter aiid laxer inflorescences, 

 triangular acute bracts, larger flowers, a broader and différent hypocliyl. 



Anotlier very near ally is D. clegans SCHLTR. from Boekit Djarat, 

 Sumatra, which, as the authentic spécimen in Buitenzorg shows, has also 

 ovate leaves, but a shorter peduncle, différent lip much broader over the 

 hypochyl than over the narrow oblong midlobe, and long narrow linear 

 side wings of the column, much surpassing the terminal wing. 



"Flowers light green, lip brown and light green." (BiiNNEMEljER). 



Description from herbarium and flowers preserved in alcohol. 



Dcndrochilum (sect. Monochlamys) ramosissimum J. J. S. nom. nov. — 

 Platyclinis ramosissimns RiDL. in Journ. Fed. Mal. St. Mus. VU! (1917), 89. 



Rhizoma elongatum, dependens, ramosum, teres, basi radicans, c 50 cm. 

 longum, internodiis ad c. 2.7 cm. loiigis, superioribus brevioribus, vaginis 

 tenuiter nervosis, sparse fusce punctatis, ad c. 3 cm. longis. Pseudobulbi 

 ad c. 4.5 cm. distantes, rhizoma continui, adpressi ad erecto-patentes, 

 tenues, sicco crassitudinem rhizomatis fere aequantes, facie rhizoma versus 

 spectante canaliculati, ad c. 1.75 — 3.5 cm. longi. Folium auguste lanceolatum, 

 c. 2.5—3.5 cm. infra apicem contractum, acutum, basi acutum, nervis c. 5 — 7 

 majoribus pluribusque tenuibus sicco subtus prominentibus, papyraceum, 

 c. 7 — 13,5 cm. longum, 1 — 2 cm. latum ; petiolus canaliculatus, c. 0.6 — 1.25 cm. 

 longus. hiflorescentia e pseudobulbo novello immaturo folio novello ple- 

 rumque subevoluto synantha, laxe multiflora, pedunculo tenuissime filiformi, 

 c. 4-5.5 cm. longo, rachide compresso-quadrangula, lateribus angustis 

 canaliculata, c. 6.75—13 cm. longa, internodiis c. 0.4—0.45 cm. longis. 

 Bracteae pedicellum amplectentes et superantes, convolutae, late ovatae, 

 acuminatae, acutae, apiculatae, basi breviter et late contractae, dorso parce 

 punctatae, nervis 3 longis 4 brevibus, c. 0.4 cm. longae, 0.27 cm. latae. 

 Flores c. 1 cm. longi, 0.7 cm. lati vel paulo majores. Sepalum dorsale 

 erectum, leviter canaliculato-concavum cum lateribus leviter convexis, 

 subovato-lanceolatum, acutum, 3nervium, c. 0.575 cm. longum, 0.15 cm. 

 latum. Sepala lateralia decurva, subparallela, canaliculata cum lateribus 

 leviter convexis, oblique ovato-lanceolata, sensim acuminata, acuta, breviter 

 apiculata, 3nervia, costa média dorso prominente, c. 0.525 cm. longa, 

 0.16 cm. lata. Petala divaricata, incurvula, leviter obtusangule canliculata 

 cum lateribus leviter convexis, oblique subrhombeo-lanceolata, acutissima, 

 superne vix erosula, 3nervia, bene 0.5 cm. longa, 0.15 cm. lata. Labellum 



