294 MR. H. N. RIDLEY—-AN ENUMERATION OF 
I have no note as to the colour of this striking plant, but the 
sepals and petals appear to have been green or yellow with brown 
blotches. 
The whole of this group of Sarcanthee, including Vanda,. 
Renanthera, Arachnanthe, and Trichoglottis, require to be com- 
pletely rearranged, and I think more equitably broken up. 
RYNCHOSTYLIS RETUSA, Blume, Bijdr. p. 286, t. 49. Loc. 
incert. (Gibson !) ; Sarawak (Haviland). 
AËRIDES ODORATUM, Lour. Fl. Cochinch. p. 525. Sarawak 
( Gibson !). 
Aë. Reichenbachii, Linden, Lindenia, i. t. 1, appears to be a 
variety of this, as is probably also the imperfectly described 
Aérides Lobbii, Teysm. & Binn. (non aliorum). 
Vanna Hooxertana, Reichb. f. in Bonplandia, iv. (1856) 
p.924. Sarawak (Haviland). 
RENANTHERA LOWEI, Reichb. f. Xenia Orch. ii. 42. Pontianak! 
Sintang! V.v. The var. Ronawrawa grows with it, but is 
said to be much scarcer. 
SACCOLABIUM PACHYGLOSSUM, Lindl. in. Journ. Linn. Soc. iii.. 
(1859) p. 34. Collected in Borneo by Lobb; I have not met 
with it. 
S. HENDERSONIANUM, Reichb. f. in Gard. Chron. (1875) ur. 
p.396. Pontianak, Sintang (native collectors). 
S. BORNEENSE, Reichb. f. in Gard. Chron. (1881) 1. p. 563. 
Not seen by me. 
8. CRASSUM, sp. nov. 
Caulis validus, 9-pollicaris, crassus. Folia coriacea oblonga 
lorata, 6 pollices longa, 13 poll. lata, apice insqualiter biloba, 
lobis obtusissimis, vaginis 3-pollicaribus superne dilatatis costatis. 
Racemus ultra 8-pollieares, basi nudus, bracteis ovatis exceptis, 
rhachide crassá. Flores mediocres plurimi congesti. Bracteæ 
lanceolate acuminate, à poll. longe. Sepala ovata, posticum 
subacutum, lateralia obtusa obliqua }-pollicaria. Petala ob- 
longa obtusa minora.  Labelli lobi laterales erecti oblong: 
obtusissimi, columnam superans, medius paullo longior linearis 
carnosus, apice obtuso tenuiore. Calcar longum, 3-pollicare,. 
