APOSTASIACEE OF THE MALAY PENINSULA. 275 
sometimes white with an orange tip, and the size of the lateral 
lobes in proportion to the mid-lobe varies a good deal. The 
arms of the column are sometimes quite simple, and sometimes 
have an accessory tooth at the back. 
BoursorHyiuum Pepicettatum, Ridl. in Journ. Linn. Soc. (Bot.), 
xxxi. (1896) p. 278, t. 14. 
Hab. Siam: Pungah, C. Curtis ! 
Also Borneo. 
Flowers light yellow, sweetly scented. 
B. Guosvutvs, Hook. f., Fl. Brit. Ind., v. p. 767, Ic. Pl, t. 2047. 
Hab. Perak: Scortechinz. 
I have never met with this. 
B. Wrayi, Hook. f., Fl. Brit. Ind., v. p. 766, Ic. Pl., t. 2044. 
Hab. Perak: Gunong Berumbun Pahang, Wray. 
I have not met with this. 
B. tastantuum, Lindl. in Gard. Chron. (1855), p. 53. 
Hab. Penang: On the big rock on the top of Government 
Hill! 
Perak: Scortechint. 
B. (§ Racemosz) sBotryopHoruM, [idl., sp. nova. Dense 
cespitosa, ebulbosa. Rhizoma longe repens, a foliis undique 
tectum. Folia 1 poll. longa, } poll. lata, elliptica, plana, 
carnosa, atro-viridia subtus pallidiora, canaliculata, apice integra, 
inter se } poll. distantia. Racemi } poll. longi, penduli; rhachis 
crassiuscula; bractese minute, ovate. Flores minimi, vix 
% poll. lati, pauci, congesti, atropurpurei. Sepalwm posticum 
lanceolatum acuminatum pallidum a striis 3 rubris percursum, 
lateralia multo majora semiovata falcata cymbiformia atro- 
kermesina. Petala majuscula, quadrata, truncata, basi ad 
sepalum posticum adnata, in margine pallida atrokermesina 
denticulata. Labellum carnosum; unguis brevis, pallidus, 
truncatus; lamina ovato-elliptica, obtusa, decurva, atropur- 
purea, papillosa, basi a carina semicirculari elevata ornata 
Columna pro genere alta; venter canaliculatum; margines 
involuti; clinandrium parvum, profundum. Anthera magna, 
galeata pustulosa, rubra, margine antico retuso; pollinia 
globosa, aurantiaca; stelidia magna, crassa, rotundata, ker- 
mesina. Capsula } poll. longa, oblongo-elliptica, sessilis, pur- 
purascenti-viridis; costs sequales nec carinate. 
T 2 
