140 DR. HOOKER AND DR. THOMSON'S PR^CURSORES 



amplis oblique ovatis rostrato-acuminatis, labello parvo cymbiformi 

 calcare perbrevi incurvo, vexillo orbiculari mucronato, alls bipartitis. 



Hab. Montibus subtropicis Pulney Malabariae, alt. 5500 ped., Wight. 



Caulis subramosus, herbaceus. Folia eglandulosa. Pedunculi ?>" . 

 BractecB -|-f ". Flores H'' longi, subcarapanulati, pallide purpureo- 

 maculati. Capsula elliptica, utrinque attenuata, glaberrima. Semina 

 plurima, creberrime echinata. 

 Very similar in many points to I. Icevigata, but the common peduncles 



of the flowers are much longer, and the habit is very different. 



78. I. LiEViGATA {Wall. Cat. 4753 !). Caule elato robusto fruticoso, 

 foliis 4-6''' breve v. longe petiolatis oblongo- v. obovato-lanceolatis 

 longe acuminatis late crenato-serratis basi petiolove glandulosis, pe- 

 dunculis axillaribus terminalibusque brevibus 2-3-floris, floribus flavis, 

 bracteis oppositis sepalisque amplis late ovatis rotundatisve acuminatis, 

 labello conice saccato ventricoso calcare breviusculo uncinato termi- 

 nato. 



Hah. Sylvis umbrosis subtropicis tropicisve Himalayae orientahs ad 



Sikkim, alt. 2000-4000 ped. ! Montibus Khasia, alt. 3000-5000 ped. ! 



De Silva, &c. (fl. Jul.-Oct.). (v.v.) 

 Caulis 4-6-pedalis, lignosus, ramosus; ramis nodosis, glabris puberuhsve. 



Folia basi saepius obliqua, luride viridia. Pedunculi ^1", robusti. 



Flores subcampanulati, flavi v. sordide straminei, rubro-striati, 1-H'' 



longi. Capsula ignota. 

 Species ob staturam, ramos lignosos, pedunculos breves 2-3-flores, brac- 



teas magnas, flores flavidos, sepala ampla facile recognita. 



A tall branched sufiruticose species, with much of the habit of /. Jur- 

 pia, but readily distinguished by the large orbicular outer sepals. 



79. I. Tavoyana (Benth. Wall. Cat. 4773 !). Humihs, caule crassius- 

 culo basi nudo, foliis 3-3'' petiolatis ovatis acutis v. longe acuminatis 

 integerrimis v. remotiuscule setoso-serrulatis basi longe setosis, pedun- 

 culis gracillimis foliis longioribus 8-14-floris, bracteis setaceis, pedi- 

 celUs gracilibus ; floribus parvis, sepalis subulatis, labello cymbiformi 

 purpureo striato calcare recto subulato aequilongo, alis longe unguicu- 

 latis, capsula parva angusta lanceolata utrinque attenuato-acuminata 

 oligosperma. 



I. Tavagua, Benth. sphalm. in Steud. Nomen. 



Hab. Peninsula Malayana ad Tavoy Gomez, Moulmein ! Lobb. 



Species elegans, parviflora, Circece habitu, glaberrima. Caules simplices 

 v. ramosi, 3-6". Folia pallide viridia, nitida, ut videtur flaccide mem- 

 branacea ; nervis paucis tenuibus. Pedunculi 3-4". Pedicelli capil- 

 lares, poUicares. Flores pallide straminei vix i" longi, vexillo ut 

 videtur dorso breviter rostrato; alarum lobo terminali semiobovato, 

 apice uncinato. Capsula sub 3" longa, torulosa, 2-3-sperma, Semina 

 oblonga, compressa, opaca. 



