464 XXXII. GEHANiACE^. (§ Balsaminese, Hook, f.) [Impatims. 



71. X. leucantha, Thwaites Enum. 67 ; glabrous, stem erect simple 

 rarely forked, leaves in 1 whorl or fascicled rarely opposite shortly petioled 

 lanceolate acuminate serrulate, peduncles several long erect, flowers in a 

 short terminal raceme, bracts ovate-lanceolate, sepals ovate-oblong acute, 

 standard hooded, lateral lobe of win§s small lanceolate, terminal large 

 3-lobed, lip boat-shaped, spur short straight. 



Ceylon ; at Hinidoon and Kittool Galle, Thwaites. 



Stem 5-10 in., naked below, succulent. Leaves 6-10 in the fascicle, of unequal sizes, 

 3-6 in., serratures acute, base often ciliate ; petiole J-^ in. Fedmncles many, longer 

 or shorter than the leaves, many-flowered ; pedicels capillary, spreading, J-1 in. ; 

 bracts green, concave. Flowers white, 4 in. diam. ; standard not winged _; wings with 

 the lobes rounded; spur i in. Capnuhs J in., unripe, erect, ellipsoid, glabrousj 

 beaked. 



72. X. linearis, Am. in Hook. Comp. Bot. Mag. i. 323 ; stem short 

 stout simple, leaves crowded upwards subsessile linear-lanceolate acute sub- 

 serrate, peduncles solitary or 2 stout erect, flowers very shortly umbelled, 

 bracts ovate, sepals short ovate, standard short spurred at the back, terminal 

 lobe of wings large obovate clawed, lip concave, spur very short. H.f. & T. 

 in Journ. Linn. iioc. iv. 143. 



Adam's Peak, Cetlon, alt. 4^6000 ft., Wdther, &o. 



Erect, glabrous ; stem stout, scarred. Leaves many, 1-8 in., all crowded at the top of 

 the stem, rather thick, base not ciliate. Pedvnde 1-2 in., very stout ; bracts 1- in., green, 

 spreading, acuminate, concave ; pedicels slender, spreading. Flowers ^ in. diam. ; 

 wings large; spur a mere point. Capsule J in., ellipsoid, very turgid, acuminate, 

 glabrous. Seeds many, very small, pubescent. 



Vae. petiolata; leaves rather broadly petioled with scattered short hairs on the 

 upper surface. 



73. X. appendlculata, Am. in Hook. Comp. Bot. Mag. i. 323; small, 

 glabrous or pubescent, stem slender, leaves solitary few or many petioled 

 ovate elliptic or lanceolate acute serrulate, peduncles long solitary or few, 

 flowers umbeUed or very shortly racemed, bracts broad-ovate or lanceolate, 

 sepals ovate or oblong, standard hooded, lateral lobe of wings lanceolate 

 caudate, terminal large clawed ^-cordate, lip boat-shaped, spur very 

 short. Thwaites Enum. 67. 



Southern and Central parts of Ceylow, alt. 2-5000 ft. 



Very variable, both in habit and foliage. /Siem , simple, rarely branched, naked 

 below, usually leafy above, with the leaves 1-1 4 in. broad, long-petioled and almost 

 glabrous above; other specimens have 4 similar but pubescent leaves in a whorl, 

 others 1, 2, 3, or a few lanceolate acuminate leaves, 4 in. long. Leaves membranous, 

 usually ciliate towards the base. Peduncle often solitary, subterminal and longer 

 than the leaves, with an umbel or very short raceme of 4-8 flowers ; bracts ^ in., 

 concave, acuminate, green ; pedicels slender, spreading. Flowers about J in. long, 

 white or pale rose-colour; standard streaked transversely with red.-=-Thwaite8 de- 

 sciibes the lateral lobes of wings as small lanceolate long-caudate, the terminal 

 as larger 4-oo'''l*tfi ^^^ acuminate ; the spur is sometimes reduced to a mere 

 point. Capsule J in., ellipsoid, turgid, beaked, many-seeded. Seeds immature, oblong, 

 hairy f 



74. I. travancorlca, Bedd. Ic. PI. Ind. Or. p. 29, 1. 142 ; small, stem 

 simple stout leafy at the top, leaves crowded small petioled elliptic sub- 

 acute crenate, peduncles 1-3 subterminal erect 2-4-flowered, bracts lan- 

 ceolate, flowers umbelled small, sepals obliquely ovate, standard small 

 concave, terminal lobe of wings large sessile, lip boat-shaped, spur short 

 obtuse or 0. 



