201 
(58) I. rrmosara. (Colebr. ) 
Ident. Journ. Proc. Linn. Soe, IV. p. 126. 
Engrav. Hook. Exot, flor. TI. t. 141. 
Spec. Cuan. Tall, branched, glabrous: leaves opposite, altet= 
nate, and somewhat verticilled, petioled, upper ones sessile, ovate 
or ovate-lanceolate, acuminated, crehate-serrated, very frequently 
ciliolate. membranaceous: peduncles solitary, slender, elongated, 
2-5-flowered : pedicels slender, sepals small, somewhat setaceous ! 
lip long-saceate, bag conical, abruptly or by degrees narrowed into 
a short, or elongated incurved spur: vexillum helmeted, broadly 
obcordate, horned at the back: wings small, 2+lobed: flowers 
violet. 
Khasia mountains, Silhet, flowering from July to October. 
(59) rravipa. (H. f. & 7.) 
Ident. Journ. Proc, Linn. Soc. IV, p, 127. 
Syn. I. fruticosa, Lesch. 
Spec. Car. Stem slender, erect: leaves opposite and in threes, 
long-petioled, ovate-lanceolate, narrowed at both ends, quite gla- 
brous, subserrate : peduncles axillary, solitary, longer than the 
petiole, erect, 2-4+flowered: bracts recurved: sepals small, ovate 
or oblong, acuminate: lip saccate, subcampantlate or venttieose, 
terminated by a hooked spur: vexillum gibbous at the back : flow 
ers somewhat umbelled, yellow. 
Forests east of Bengal. Silhet. Luckipore. Flowering in 
November. 
(60) I. verticiznata. (Wighi.) 
Ident. Journ. Proc. Linn. Soc. IV. p. 129.—Madr. Journ. Se, 
Vv. p- 15. 
Srzc. Cuar. Quite glabrous: leaves opposite and verticilled, 
very rarely alternate, short-pétioled, lanceolate, acuminate at both 
ends, sharply setrate, the lower serratures bristly: stipules subu- 
late: peduncles elongated, erect, somewhat umbellately 3-5-flow- 
ered: pedicels slender: the larger sepals oblong-lanceolate: vex- 
illum concave, shortly horned: lip boat-shaped, with a very slender, 
long spur. 
Shevagherry. Travancore mountains, flowering from August to 
November. 
(61) L.arcura. (H. f. § T.) 
Ident. Journ..Proe. Linn. Soc. IV. p. 137. 
Srzc. Cian. Quite glabrous: stem slender, branched: leaves 
short-petioled or with a winged petiole, elliptic-lanceolate, longs 
acuminate at both ends, sharply serrated or toothed, bristly at the 
