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. Uteiculabia bxoleta, E. 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 ; Eidl. Journ. Bot. XXXIII. 10. U. diantha, 

 Eoem. & Schult. Syst. Veg. I. 169 ; Wight Ic. t. 1569 ; Oliv. Journ. 

 Linn. Soc. III. 175. U. diflora, Eoxb. Hort. Beng. 4. U. hifiora, Eoxb. 

 Fl. Ind. I. 143, nee alior. U. Boxburghii, Spreng. Syst. I. 52. U. 

 elegans, Wall. Cat. 1502. U.pterosperma, Edgew. Proc. Linn. Soc. I. 352. 



Peeak : Sunga Eyah, King's Collector 891 ! 4383 ! Bidley ! Singa- 

 POEE : Bidley. Peov. Wellesley : Bidley ! Johoee : Parit Lombong, 

 Bidley! Pahang: Kwala Pahang, i^^^ZZe^// Nicobaes : Kamorta, -Kwr^; .' 

 — DiSTEiB. S.E. Asia, N. Australia. 



2. Uteiculabia 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. Scapes 

 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. Capside compressed, sub-globose, -25 in. 



