51 



culatis, petalis obovatis retusis carnosis sepalo supremo 

 latioribus, labello cucullato denticulato retuso obsolete 

 trilobo. Nepal. Flowers dark yellow, occasion- 

 ally in threes, marked externally with distinct warts. 

 Lip with a deep purple spot on each side. 



19. O. Paxtoni (Lindl. in Bot. Reg. Misc. 1839, no: d^'t) \ 

 caulibus teretibus sulcatis, foiiis ovato-lanceolatis acu- 

 minatis apice hinc obsolete emarginatis, pedunculis 

 bifloris, sepalis oblongis acutis lateralibus basi parum 

 productis, petalis latioribus obovatis acutis serrulatis, 

 labello unguiculato ovato concavo indiviso villoso margine 



raultifido fimbriato. Khoseea Hills of India. 



This has orange-yellow flowers, with a deep brown spot 

 in the middle of the lip. It differs from D. chrysan- 

 thum in having the petals serrated, and the surface and 

 edge of the lip hairy. 



20. D. ochreatum (Lindl. in Wall. Cat. no. 7410. Bot. Reg. 

 sub fol. 1756. D. Cambridgeanum, Paxton, Mag. Bot. 

 vi. 9,^5) ; caulibus pendulis medio incrassatis, foiiis 

 ovalibus acutissimis, pedunculis bifloris, petalis lanceo- 

 latis sepalis latioribus, labello cucullato rotundato indi- 

 viso supra pilpso. Khoseea Hills of India. — — A 



beautiful species, with large rich yellow flowers, having 

 a deep purple stain in the middle of the lip, which is 

 entire and hairy. 



21. D. aureum (Lindl. Gen. & Sp. Orch, p. 78. Bot. Reg. 



1839. t. 20); caulibus erectis teretibus clavatis inter- 

 nodiis brevibus, foiiis lineari-oblongis apice obliquis emar- 

 ginatis, pedunculis subbifloris aggregatis lateralibus, se- 

 palis lineari-ovatis acuminatis obtusis, petalis latioribus 

 ovatis acutis undulatis, labello ovali undulato obtusius- 



culo indiviso medio serrulato per axim pubescente. 



Ceylon. The species varies with pale yellow and white 



flowers. In both varieties the fragrance is remarkable, 

 formino- a something intermediate between violets and 

 primroses. 



22. I), sulcatum {lAudA. in Bot. Reg. 1838. t.65); caule erecto 



clavato 'sulcato subflexuoso compresso, foiiis oblongis 

 acutis 3 nerviis, pedunculis lateralibus trifloris, bracteis 

 minimis acutis appressis, petalis oblongis obtusis glabris 

 sepalis subsequalibus, labello obcordato hirsuto ungue 

 canaliculato sulcato. 

 H~Aufjust, 1844. h 



