390 cix ACANTHACE^. (C. B. Clarke.) [Thunhergia. 



t PlacentcB not rising elastically from the base of the capsule. 

 •|[ Anther-cells placed one much higher than the other. 



Anther-cells niuticous, bracts in opposite pairs, valvate . 48. Peeisteophe. 



Anther-cells minutely spurred at base 38. JusTiaiA. 



Anther-cells apiculate, scarcely spurred at base . . . 39. Adhatoda. 



Anthers muticous. Flowers clustered. Corolla long . 40. Rhinaoanthtjs. 



Anthers muticous. Flowers thyrsoid. Corolla not large 41. Dianthbea. 



1*{ Anther-cells parallel, svhequal. 



Bracts small, narrow. Corolla small 42: Pttsislottis. 



Corolla-tube ovoid, constricted in the throat .... 43. Sphinotaoanthfs. 



Bracts large, imbricate. Corolla-tube narrow, long . . 44. EcBOllFM. 



Bracts small. Corolla-tube elongate.. 45. Geaptophtllitm. 



Z. TKUlfBlIBGIA, Unn. f 



Scandent. Leaves often cordate, hastate or angular. Flowers axillary, 

 'i-2-iiate, or racemose; bracts at the Base of the pedicels leaf- like ; bracteoles 

 large, margins coherent at least when young. -Oah/x small, annular, 10-16- 

 toothed, or obscure. 'Corolla conspicuous ; tube ventricose, curved ; limb 

 obliqne ; lobes 6, rounded, twisted to the left in bud. Stamens 4, didynamous 

 near the base of the^coroUa-tube ; anthers 2«cened, cells parallel, oblique, 

 spurred or not at the base. -Disc onshi6n-shaped or annular. Style long ; 

 stigma funnel-Aaped, 2-lobed or subentire, or style 2-fid -with capitate 

 stigmas ; ovules 2 in each cell, collateral. Capsule globose, suddenly 

 narrowed into a barren sword-shaped beak. Seeds 2 in each cell, ovoid or 

 dorsaUy compressed, not hairy, base plane or excavate, funicle minute or 

 conic — Species 30, in Africa^ Asia, and N. Australia. 



Sect. 1. Eutliunbergria. Flowers axillary. Galyx 10-16-toothed. 

 Seeds ovoid, base excavate. 



1. T. fragrans, Roxh. Cor, PI. i. 47, t. 67, and Fl. Ind. iii. 33 ; leaves 

 ovate or oblong acute, calyx-teeth in flower lanceolate hardly longer than 

 the tube, capsule glabrous. Lamk. HI. t. 649, fig. 2 ; Wall. Cat. 767, type 

 sheet ; Nees in Wall. PI. As. Bar. iii. 77, 78, and in BG. Prodr. xi. 57 ; 

 T. Anders, in Joum. lAnn. Soc. ix. 448 ; Kurz For. Fl. ii. 240. T. javanica, 

 Oaertn. f. Fncct. iii. 22, t. 183 ; Plume Bijd. 806 ; Nees in BG. I. c. 66. 

 T. scandens, Pers. Syn. ii. 179. T. volubOis, Pers. Syn. ii. 179 ; Nees in 

 BC. I c. 59. T. angustifolia. Mam. ; Nees in Wall. PI. As. Par. iii. 78, 

 and in BC. I. c. 66. T. Eoxburghia, Nees in Wall. PI. As. Par. m.. 78, 

 and in BC. I. c. 58. T. subsagittata, Blanco Fl. Fil. 518. T. amhemica, 

 F. Muell. Fragm. Phyt. Austral, ix. 73. 



Throughout India, alt. 1-4000 ft., from the Himalaya Terai to Cetlon and 

 Tenasserim; ascending to 5-7000 ft. — DiSTEiB. Malaya to the Philippines and 

 If. Australia. 



Stem slender, retrorsely hairy or glabrate. Leaves 2-3 by J-IJ in., obtuse, base 

 cordate or hastate, toothed, mature glabrate ; petiole J-IJ in. Pedicels 1-3 in., 

 1 rarely 2 in each axil ; bracteoles f in., broadly falcate-oblong, subacute. Calyx in 

 flower i in., divided half-way down into 12-16 teeth, nearly glabrous, in fruit J in. 

 Corolla 1 J in., pure white, fragrant. Anther-cells elliptic, acute, base unappendaged. 

 Ovary glabrous j style funnel-shaped, 2-lipped. Capsule |-1 in., glabrous, shining. 

 Seeds J-J in., rugose. — The typical T. fragrans of the Bengal Terai is considered by 

 T. Anderson, from the pure white of its fragrant flowers, the most charming of Beng^ 



