NEW OR RARE MALAYAN PLANTS. 29 



Pedicels 1 inch long ovary elongate angled. Sepals lan- 

 ceolate acuminate |- inch long. Petals narrower sulphur 

 yellow. Lip shorter ± inch long base rather narrow, 

 lateral wings short round distinct, midlobe fleshy lan- 

 ceolate acuminate acute reddish brown. 



Sarawak : Sajingkat ( Hewitt). Feb. 10, 1906. This 

 belongs to the Sestochilus section and is allied to D. 

 Treacherianum. I have not seen the old bulbs. 



Dendrohium (Sestochilus) radicosus, n. sp. 



Rhizome very long slender with numerable wiry 

 roots, pseudobulbs elliptic oblong ^ inch long and as 

 far apart. Older ones larger conic ^ inch long. Leaves 

 2 to each pseudobulb elliptic coriaceous subacute narrow- 

 ed at the base -J-f inch long | inch across. Flowers 

 solitary terminal, pedicel slender -J inch upper sepal 

 lanceolate hardly ^ inch long acute laterals slightly 

 broader. Petals narrower shorter oblong obtuse. Men- 

 turn short and rounded. Lip as long as sepals, three lobed 

 base narrowed, lateral lobes broad oblong triangular 

 truncate. Midlobe longer elliptic with 2 thickened 

 papillose ridges at the tip, a number of small papillae 

 on the nerves of the base of the side lobes. Column 

 rather long. 



Sarawak : Tiang Lagu (J. Hewitt) : " Petals dull pale 

 yellow with a rosy tinge. Lip yellow with red brown 

 spots." 



Coelogyne exalata, n. sp. 



Epiphytic, pseudobulbs crowded subglobose round- 

 ed. Leaf solitary lanceolate petioled coriaceous 6-12 

 inches long by 3 inches wide acuminate at the base 

 tip mucronulate, petiole 4 inches. Raceme lateral erect, 

 bearing 6 or 7 flowers, 8 inches long. Bracts convolute 

 \ inch long brownish green. Pedicel as long. Sepals 

 1 inch long J inch wide. Upper one spathulate lanceo- 

 late acute laterals oblong acute green tinted brown or 



R. A. Soc, No. 19, 1907, 



