119 



stems, less flowered racemes with the peduncle pressed against the stem, 

 broader petals, the lip with different-shaped keels, shorter, blunter, not 

 falcate lateral lobes, a shorter and much broader mid-lobe and a broader basal 

 appendix, whereas the column-foot is much less excavated. Moreover, the 

 plant was collected in a much higher altitude above the sea. 



The species recalls I), prosteriglossum Schltr. var. oltusilolum Schltr. to 

 mind ; it is possible that the two plants will prove to be identical. 



The flowers are described as yellow. 



DENDROBIUM ( OXYGLOSSUM) TRIFOLIUM J. J. S., sp. nov. 



Caules approximati, c. 4-5 cm. longi, inferne vaginis mox fatlscentibus, apice 

 c. 3-foliatL Folia erecto-patentia, lanceolata, oblique obtusa, breviter apiculata, 

 omnino sed praesertim apice minutissime denticulata, costa media subtus prominente, 

 sicco rigide coriacea, c. 2'6-4 cm. longa, 0'67-0'83 cm. lata ; vaginae inferne tubu- 

 losse, superne canaliculato-conduplicatae. Injlorescentia pseudoterminalis, brevissima, 

 c. 3-flora. Uractete rachidem amplectentes, late triangula3, acute acuminatae, ad 

 c. 07 cm. longse. Flores erecti, majusculi, c. 3'1 cm. longi, sepalis sicco dorso parco 

 nigro-punctatis. Sepalum dorsale ellipticum, obtusum, apice minutissime denticu- 

 latum, 5-nervium, c. 1'25 cm. longum, 0'65 cm. latum. Sepala lateralia kcink 

 elongata partim anguste lineari ad pedem gynostemii decurrentia, inentum rectum 

 ovario adpressum c. 1'7 cm. longum, superne marginibus auticis longitudine c. 0'6 cm. 

 connatis anguste calcariforme apice retusum formantia, parte anteriore oblique 

 trkngulum, marginibus curvatis, subacuta, acute apiculata, apice minutissime 

 denticulate, 7-nervia, costa media dorso prominente, c. 1-2 cm. longa, basi 2 cm. 

 margin e antico 2*9 cm. metientia. Petala spathulato-rhombea, vix acuminata, 

 acuta, superne papilloso-ciliolate, 3-nervia, c. 1'23 cm. longa, 0'57 cm. late. 

 Labellum pedi gynostemii et gynostemio pamllelum et adpressum, pedi gynostemii 

 longitudine c. 0'95 cm. adnatum, gynostemium superans, anguste lineare, apicem 

 versus cliktetum, apice 3-lobuin, concavum, infra apicem subventricosum, ecallosum, 

 inferne 3-, superne 7-nervium, expknatum c. 2'6 cm. longum, ad lobos kterales 

 fere 0'4 cm., basi partis liberse 0'175 cm. ktum; lobi kterales breves, rotundati, 

 papillosi ; lobus intermedius revolutus, triangulus, acutus, papilloso-cilioktus, 

 c. 0-25 cm. longus, basi O16 cm. ktus. Gynostemium a dorso compressum, in 

 utraque stigmatis parte obtusangulum, absque anthera c. 0'2 cm. longum, clinanclrio 

 in utraque fikmenti parte kcinukto, filamento subukto, incurvo. Anthera cucullata, 

 antice visa quinquangukris, apicem versus angustete, truncate et parte superiore 

 adpresse puberuk, basi 2-loba, c. 0'2 cm. late. Pollinia 4, in corpuscuk 2 oblique 

 obovate supra convexa subtus concava unite, oblique oblonga, 2 interiora quam 

 cxtci'iora paulo angustiora. Stigma suborbicukre. Pes gynostemii lineans, canalicu- 

 ktus c. 1'7 cm. longus. Ovarium pedicelktum ckvatum, suj^erne 3-alatum et 

 3-costatum, ak superiore quam cetera? longiore et in dentcm libenHD trkngulum 

 producte, sparsa nigro-punctetum, c. 3 cm. longum. 



llab. Arfak Mts., Angi lakes, on bank by ? lake. 7000', terrestrial. 

 Dec. 5907. 



This species, the flowers of which agree in colour with I), pe 



