.'] LXI. LTTHEACEJ:. (C. B. Clarke.) 569 



W. Sf A. Prodr. 305. A. debilis, Ait. in Herb. Zoll. $ Mor. Rotala Rox- 

 burghiana, Wight Ic. t. 260 ; Watt. Cat. 2105. Tritheca pentandra, Miq. Fl. 

 Ind. Sat. i. pt. i. 614. Winterlia uliginosa, Spreng. Syst. i. 788. Sellowia 

 uliginosa, Roth I. c. 163 ; DC. I. c. 380. 



Throughout Tropical INDIA, in moist places, very common. DISTRIB. China, Ma- 

 laya : and (including the varieties below enumerated) Australia and Tropical Africa. 



Stems 6-12 in., often with many opposite branches divergent at right angles and 

 covered with flowers. Cauline lea ves usually 1 in., upper floral leaves becoming brac- 

 tiform, oblong, base broader. Flowers often approximate, never in distinct spikes ; 

 bracteoles subulate as long as the calyx. Calyx-teeth 5, lanceolate, very acuminate ; 

 accessory teeth 5, subulate, often as long as the primary teeth. Petals 5, narrow- 

 obovate, small or 0. Capsule spherical or globose-depressed. Seeds black, hemi- 

 spheric, excavated on the plane face. 



VAK. illecebroides, Am. in Herb. Wight ; smaller, cauline leaves ^ in. A. nana, 

 Wall. Cat. partly not Eoxb. nor Rottl. Kotala ? decussata, DC. Prodr. iii. 76; Hiern 

 in Olio. Fl. Trop. Afr. ii. 467- 



VAR. fimbriata, Wight Ic. t. 217 (sp.); cauline leaves longer narrower often cor 

 date ( at the base, petals larger sometimes fimbriate. A. Heyneana, Watt. Cat. 2104. 

 A. hexandra, Watt. Cat. 2103. Wallich's example has six stamens, otherwise is 

 exactly A. fimbriata, Wight. 



SUBGENUS II. Eu-Ammannia. Flowers in whorls, cymes or clusters. 

 Capsule circumsciss or bursting irregularly. 



11. A. baccifera, Linn.; BlumeMus. Bot. ii. 133; cauline leaves oppo- 

 posile or alternate oblong or narrow-elliptic narrowed at the base, flowers in 

 dens.' clusters forming knots on the stem or in looser but very short axillary 

 cymes, capsule globose. Dalz. 8f Gibs. Bomb. Fl. 97 ; Kurz in Journ. As. Soc. 

 1877, pt. ii. 85. A. vesicatoria, Eoxb. Fl. Ind. i. 426 ; DC. Prodr. iii. 78 ; W. 

 Sf A. Prodr. 305; Wall. Cat. 2098, partly. A. indica, Lamk. ; DC. I.e. 77; 

 W. $ A. Prodr. 305 ; Watt. Cat, 2099 ; Blume I. c. t. 46. A. debilis, Ait. 

 Hort. Kew, ed. 1, i. 163. A. verticillata, Boiss. Fl. Orient, ii. 743, not of Link. 

 Hapalocarpum vesicatorium and H. indicum, Miq. Fl. Ind. Bat. i. pt. i. 618. 

 Cryptotheca apetala, Blume Bijd. 1128; DC. I. c. 76. 



Throughout Tropical INDIA, in moist places, very common. DISTRIB. Afghanistan. 

 Malaya. China. Australia. Tropical Africa. 



Glabrous, erect, 6-8 in. sometimes 2 ft. Lower leaves and branches usually oppo- 

 site ; cauline leaves 1-2^ in., usually narrow but obtuse. Calyx-tube hemispherical ; 

 teeth 4, broad, triangular, accessory folds or teeth small. Petals usually 0, or 

 small. Capsule depressed, imperfectly circumsciss above the /middle. Seeds black, 

 subhemispheric, excavated on the plane face. 



12. A . salicifolia, Monti ex Blume Mus. Bot. ii. 132 ; glabrous, leaves 

 sessile lanceolate rounded at the base, flowers densely clustered in the axils, 

 capsule globose depressed not covered by the calyx-teeth. Dalz. Sf Gibs. Bomb. 

 Fl. 97. A. egyptiaca, WUld. Hort. Berol. t. 6. A. verticillata, Lamk. III. 

 t. 77. f. 3, not of Wight ; DC. Prodr. iii. 79. A. glauca, Wall. Cat. 2100 ; 

 W. $ A. Prodr. 305. A. densiflora, Miq. in Herb. Hohenack. No. 770. 



PUNJAB ; Edgeworth, T. Thomson. KUMAON, alt. 4000 ft. ; Strachey $ Winter- 

 bottom. BEHAR ; J. D. H. EAST BENGAL ; Griffith. CONCAN ; Stocks, Ritchie. 

 DECCAN PENINSULA ; Wight 981 ; Perottet. DISTRIB. Tropical Africa. 



Glabrous, erect, sometimes 2 ft. high, leaves and branches opposite. Cauline 

 leaves often 2 in. by less than in., frequently cordate at the base. Calyx in fruit 

 hemispheric ; teeth 4, erect, triangular, too short to close over the capsule ; accessory 



