ORCHIDACE^ 



49. SACCOLABIUM Bl 



Seventeen representatives of this genus are known from Borneo, 

 but only one from Mount Kinabalu. 



I. Saccolabium kinabaluense Rolfe in Gibbs in Journ. 

 Linn. Soc.42 (1914) 158. 



LoBONG, Gibhs 4.111, February 1910. 5000 feet altitude. Epiphyte in 

 high forest. Flowers yellow with a white lip. 



50. MALLEOLA J. J. Sm. &^ Schltr. 



Hitherto no species of this genus have been found in Borneo. It 

 is a group recently distinguished from Rohiquetia Gaudich. by 

 the smaller flowers, the short hammer-shaped or malleoliform 

 column and the dilated stipe of the poUinia. 



I. Malleola kinabaluensis A. 8^ S. sp. 7iot;.Herba subcrassa. 

 Caulis suberectus, vaginis foliorum omnino obtectus. Folia dis- 

 ticha, late patentia, oblongo-elliptica vel anguste oblonga, obli- 

 quissime et obtuse bilobata, ad basim complicatam angustata, 

 coriacea. Pedunculi duo, cum rachide folia multo excedentes, 

 oppositifolii, suberecti vel arcuato-deflexi. Rachis laxissime mul- 

 tiflora. Bracteae inflorescentiae perparvae, triangulari-lanceo- 

 latae, patentes. Flores parvi, in sicco pellucidi. Sepala lateralia 

 suborbiculari-obovata, acuta, obliquissima. Sepalum dorsale val- 

 dissime cucullatum vel complanato-pileatum, obtusum. Petala 

 ovata, late obtusa, obliqua. Labellum longe calcaratum, triloba- 

 tum; lobi laterales erecti, parvi, oblique triangulares, obtusi; 

 lobus medius subulatus, parvus, arcuato-decurvus ; calcar a latere 

 visum angulum obtusum faciens, parte inferiore lateraliter com- 

 planata, dimidio anteriore dorso compresso et antice profunde 

 sulcato. Gynostemium breve, crassum, malleoliforme. 



Plant stout. Roots numerous on the lower part of the stem, 

 fibrous, flexuous, many-grooved in the dried specimen, somewhat 



[ 225 ] 



