- 
144 DR. HOOKER AND DR. THOMSON'S PRECURSORES 
Herbacea, 4-12", glabra. Radix tuberosa (ex Wight). Folia 1-4”, ob- 
tusa, crenata. Flores 5-6, sub 2 lati. Capsula breviter elliptica, 
glabra. Semina echinata (Wight). 
71. I. suBconDATA (Arn. in Hook. Comp. Bot. Mag. її. 323). Саше 
simplici longe nudo v. basi repente ramoso, foliis longe petiolatis 
ovatis v. ovato-lanceolatis subacutis v. acuminatis basi cordatis rotun- 
datisve grosse crenatis, pedunculis folio brevioribus, bracteis ovato- 
lanceolatis acuminatis, pedicellis gracilibus, sepalis oblongo-ovatis 
acuminatis majusculis, labelli lamina cymbiformi acuminata calcare 
elongato acuminato gracili incurvo, alis latis.— Thw. En. 67. 
Hab. Sylvis montosis subtropicis Ceylonise, alt. 5000-6000 ped. ! Walker, 
&c. (fl. Sept., Oct.). 
Species variabilis. Caules 4-10". Folia 1-3”, obtusa v. acuta, petiolo 
elongato. Flores albidi, sepalis rufescentibus. Capsula parva, 3 unc. 
longa.—I. umbellate valde affinis, differt bracteis acutioribus foliisque 
basi cordatis v. rotundatis. 
72. I. UNCINATA (Wight in Madr. Journ. Science, v. p. 11. t. vi., Icones, 
t. /47). Caule erecto, foliis 2-3" longe petiolatis ovatis ovato-corda- 
tisve acuminatis serratis supra nervis pubescentibus subtus.glaberrimis, 
petiolo apice glanduloso, pedunculis axillaribus elongatis erectis, 
bracteis parvis, floribus 4-8 mediocribus approximatis, pedicellis bre- 
vibus, sepalis amplis oblique ovatis acuminatis, labello subhemispherico 
calcare brevi ventricoso hasi constricto apice uncinato, vexillo oblongo, 
alis bipartitis. 
Hab. Sylvis tropicis Malabarie, ad Courtallam ! Wight (fl. Aug., Sept.). 
. Caules graciles.  Petioli 1-2". Pedunculi foliis breviores, 3-4". Pedi- 
celli 4”. Flores sub 1” longi. Ale lobo antico minore horizontaliter 
patente, postico semiovato obtuso. Capsula brevis, rostrata, oligo- 
sperma. 
73. I. viscipA (Wight in Madr. Journ. of Science, v. р. 12, Icones, 
t. 746). Саше gracili erecto basi repente radicante angustato, foliis 
2-3" longe petiolatis ovatis acuminatis serratis nervis utrinque hispi- 
dulis, pedunculis axillaribus erectis filiformibus viscidis 2—4-floris, 
bracteis majusculis ovatis acuminatis, pedicellis breviusculis approxi- 
matis, floribus majusculis, sepalis amplis late ovatis longe acuminatis, 
labello brevi cymbiformi calcare longo gracili incurvo, vexillo oblongo 
acuminato, alis bipartitis lobis, semiovatis. 
? An I. cordata, Wight in Madr. Journ. Sc. v. p. 10. 
Hab. Montibus subtropicis Pulney Malabarie, alt. 5500 ped. ! Wight. 
Caulis ut videtur flexuosus. Petioli 1-3". Pedunculi 4-5”, graciles. 
Bractee i" longs. Flores rosei v. purpurascentes. Capsula ellip- 
tica, acuta, polysperma. Semina orbiculata, pilosa. 
The I. cordata, Wight, from Dr. Wight's specimens, collected in the 
Shevagherry Hills, appears to differ from I. viscida only in the subcordate 
base of the leaves. 
