249 MR. HENRY RIDLEY ON ORCHIDEZH AND 
D. Kunstleri, Hook. f£., has three keels on the disc between the 
mid-lobe, the two outer of which only are carried on to the mid- 
lobe, and are there sinuous. 
DenpROBIUM§ ROsEO-PUNCTATUM, Ridl., sp. nova.  Caules 
repentes ; rami 6-8 poll. longi, graciles. Pseudo-bulbi 2 poll. 
longi, 3 poll. lati, } poll. crassi, fusiformes, paullo compressi, 
utrinque attenuati, leves, olivacei. ‘olium 6 poll. longum, 
¢ poll. latum, lanceolatum, loratum, obtusum, carivatum, basi 
attenuatum, atro-viride. Inflorescentia subterminalis ; pedun- 
culus bracteas 4-poll. longas paullo superans, albus. Flores 
mediocres ; bractea floralis minuta, ovata, alba. Ovarium 
incrassatum. Sepala subequalia, } poll. longa, } poll. lata, 
lanceolata, acuta, patentia nec reflexa; mentum breve, latum, 
obtusum, decurvam. Pefala linearia, alba. Labellum 2 poll. 
longum; lobi laterales breves, acuti, curvati intus kermesino- 
punctati, medius flabellatus obcordato-emarginatus ochroleucus ; 
caring 2 (tertia mediana vix elevata), in disco recte, in lobi 
medii isthmo magis elevate, sinuate, plicate, kermesine. 
Columna brevis, superne attenuata, rufo-punctata; stigma 
rotundum ; stelidia brevia, antheram haud superantia. 
Hab. Malay Peninsula: in Hort. Bot. Singapore culta. 
Allied to D. Kunstleri, Hook. f., but distinct in its strictly 
fusiform pseado-bulbs elliptic in section, narrower leaf, sepals 
and petals pure white, column and side-lobes of lip much 
shorter, isthmus longer, keels large, sinuate diverging at the 
middle, not running on to the lamina of the mid-lobe (though 
there is a faint trace of them there). 
D. patuipirtorum, Ridl., sp. nova. Caules graciles, ramosi, 
flavi. Pseudo-bulbi 14 poll. longi, 4 poll. lati, 33; poll. crassi, 
complanati, elongato-ovoidei, tenues, rugosuli, flavo-virides. 
Folia 3 poll. longa, 1 poll. lata, ovata, acuta, tenuiter coriacea, 
carinata et canaliculata. Racemi brevissimi, in bracteis pluribus 
$ poll. longis bruneis inclusi; pedicellus, ovario incluso, } poll. 
longus. Flores singuli, parvi; bractea floralis ovario brevior, 
ovata, lanceolata, acuta, purpureo-punctata. Sepalum posticum 
+ poll. longum ovato-lanceolatum obtusum reflexum, lateralia 
multo majora ovata obtusa; mentum sepalo paullisper longius, 
subrectum, obtusum. Petala cum sepalo postico equilonga, 
lanceolata, porrecta, pallide flavescentia ferme alba. Labelli 
lobi laterales erecti triangulares elongati acuti, medius triangu- 
