368 
Flora of the Malayan Peninsula. 
Flowers many or few, congested at the ends of the 
stouter rigid scapes and branches ; corolla rarely pure 
white . . . . . . . . .. 11. U. ophirensis. 
Leaves orbicular or spathulate-orbicular, persistent ; calyx-lobes 
very unequal, the upper the larger ; seeds glochidiate ; stems 
very slender, lip pale-violet or white with a yellow centre . . 12. U. orbiculata. 
1. Utricularia exoleta, R. Br. Prod. 430. A water-weed, some- 
times floating with very slender stems and submerged divided capillary 
leaves, the segments interspersed with Bladders ; sometimes growing 
in mud with capillary leaves absent and with tufted setaceous leaves. 
Scapes slender, naked, or with one or two scale-like bracts, 2 to 4 in. 
long, usually 2-flowered, occasionally 3-flowered, sometimes 1 -flowered, 
then often with an abortive axis or flower-bud opposite the bract ; 
pedicels slender, erect, the lowest ultimately -4 in. long ; bracts very 
small, obtuse, basifixed; bracteoles 0. Calyx 2-lobed; lobes slightly 
unequal, ovate-obtuse or sub-orbicular, in fruit adpressed to the capsule, 
•1 in. long. Corolla yellow, -2 in. across ; spur cylindric-conical, twice 
as long as lower calyx-lobe and slightly exceeding lower lip of corolla, 
which has an entire margin and embraces the base of the spur. Capsule 
almost globose, '15 in. in diam. Seeds sub-trapezoid-discoid, margin 
thin, spreading, minutely crenulate. A. DC. Prod. VIII. 7 ; Hook. f. 
Flor. Brit. Ind. IV. 329 ; Ridl. Journ. Bot. XXXIII. 10. U. diantha, 
Roem. & Schult. Syst. Veg. I. 169; Wight Ic. t. 1569; Oliv. Journ. 
Linn. Soc. III. 175. U. diflora, Roxb. Hort. Beng. 4. U. biflora, Roxb. 
El. Ind. I. 143, nec alior. U. Boxburghii, Spreng. Syst. I. 52. U. 
elcgans, Wall. Cat. 1502. U.pterospenna, Edgew. Proe. Linn. Soc. I. 352. 
Perak : Sunga Ryah, King's Collector 891 ! 4383 ! Ridley l Singa- 
pore : Ridley. Prov. Wellesley : Ridley ! Johore : Parit Lombong, 
Ridley ! Pahang: Kwala Pahang, Ridley ! Nicobars: Kamorta, Kurz ! 
— Distrib. S.E. Asia, N. Australia. 
2. Utricularia flexuosa, Vahl Enum. I. 198. A floating water- 
weed with submerged divided capillary leaves, the segments interspersed 
with bladders ; occasionally with narrow, oblong, floating vesicles 
1 to 3 in. long, beset with capillary leaves, scattered or sometimes 
whorled near or occasionally above the base of the scapes. Scajies 
3 to 10 in. long, 3-12-flowered ; pedicels stout, reflexed, and slightly 
thickened under the calyx in fruit, ultimately -3 to -5 in. long ; bracts 
ovate-acute, basifixed; bracteoles 0. Calyx 2-lobed, lobes sub-equal, 
ovate-sub-acute, in fruit patent, -25 in. long. Corolla yellow, rarely 
white, -3 to -5 in. across ; spur somewhat longer than lower calyx- 
lobe, and about as long as lower lip of corolla, stoutish, bluntish, 
straight or somewhat curved. Capsule compressed, sub-globose, -25 in. 
