LYTHRARIEiE. VI. Ammannia. 



709 





length of the ^alyx. 0. B. F. Native of Senegal. Lythrum occident^lis, Sprang, syst. 2. p. 135. Calyx S-tootliod, Young 



capsule is nearly 1 -celled, 



multiflorunij Perr. in litt. 

 Senegal Ammannia. 

 4 A. Tnoica (Lam. 

 ; branches rather 



PI. ^ foot. 



ill. no. 1555.) stem erect, branched, 



tetragonal, erectish ; leaves lanceolate, 



corymbs axillary, many-flowered, on 



Na- 



terete ; 



attenuated at the base 



short peduncles ; flowers apetalous, tetrandrous. ©. B. F. 

 tive of the East Indies, and the Island of Timor. 

 Indian Ammannia. PI. ^ foot. 



5 A. microca'rpa (D. C. mem. soc. gen. p. 93.) plant erect, 

 branched, terete ; branches rather tetragonal ; leaves lanceolate- 

 linear, sessile, somew^hat dilated and cordate at the base ; umbels 

 axillary, many-flowered, on short peduncles ; flowers apetalous, 

 tetrandrous ; capsule obovate, length of calyx. ©• B. F. Native 

 of the Island of Timor. Intermediate between the preceding 

 and the following species. 



Small-fruited Ammann 



6 A. Egypti^aca 



PI. 



(Willd. 



4 



^ foot, 

 hort. berol. 



t. 6.) stem erect, 



branched, terete at the base and tetragonal at the apex ; branches 



leaves lanceolate, sessile, attenuated at the 



spreadin 





base. 



spreading ; flowers sessile, axillary, crowded, apetalous, tetran- 

 drous, disposed in something like whorls. ©. B. F. Native of 

 Egypt, in rice-fields. Del. fl. segypt. 37. t. 15. f. 3. Calyx 



capsule 4-celled, but the mature 

 as in Ammannia. Habit of Peplis. 



Western Ammannia. Fl. July. Clt. 1829. PL creeping. 



§ 2. Tetrapetalce (from rerpa, tetra^ 4, and TrtraXov, j^ctalort, 

 petal ; petals 4'). Calyx S-toothed. Petals and stamens 4. 



12 A. Ca'spica (Bieb. fl. taur. 2, p. 457. suppl. p. 111.) stem 

 tetragonal, erect, branched ; leaves lanceolate, attenuated at the 

 base ; flowers axillary, glomerate, sessile, tetrandrous ; petals 4, 

 small, or w^anting. ©. B. H. Native at the river Cyrus, towards 

 the Caspian Sea. Wvihxioi A. jEgyi>itav a ^ but the petals are 

 4, ex Bieb. Like A. sanguinolenta, but the teeth of the calyx 

 are more stiff* and acute. Flowers purple. 



Caspian Ammannia. Fl. June, Aug. Clt. 1818. PI. ^ ft, 



13 A. RAMosiou (Lin. spec. 174.) stems tetragonal, erect, 

 branched ; leaves linear-lanceolate, dilated at the base, and 

 rather stem-clasping ; lower flowers disposed in compact whorls, 

 upper ones solitary, opposite; petals 4, obovate-roundish; sta- 

 mens 4. O. B. H. Native of Virginia and Carolina, in bogs. 

 A. purpilrea. Lam. diet. 1. p. 131. Petals and filaments purple. 



More-branched Ammannia, Fl. Jul. Aug. Clt. 1759. Pi. 1 ft. 



14 A. LATiFOLiA (Lin. spec. 174.) stems tetragonal, erect, 



acutely 8-toothed. Capsule spherical, when mature 1-celled. branched; leaves linear-lanceolate, bluntly and auriculately cor- 



^gypiian Ammannia. FL Jul. Aug. Clt. 1820. PI. ^ to 1 ft. 



7 A. VEsicAToRiA (Roxb. fl. ind. 1. p. 447.) stems erect, 

 branched ; branches undivided ; leaves sessile, lanceolate, at- 

 tenuated at the base ; flowers sessile, axillary, disposed in some- 

 thing like whorls, apetalous, tetrandrous. ©. B. F. Native of 

 the East Indies, in humid cultivated fields. Pluk. aim. t. 136. 

 f. 22. Burm. ind. t. 15. f. 3. ? A. baccifera, Lin. spec. 175.? 

 Capsule 1-celled. The leaves have a strong muriatic smell ; 

 tney are extremely acrid, and are used by the native practitioners 

 of India to raise blisters in rheumatism, &c., bruised and applied 

 to the part of the body intended to be blistered ; they perform 

 their office in half an hour most effectually. 



PL 4 to U 



foot. 



Blistering Ammannia. xi. -^ lu l-^ 



8 A. hasta'ta (D. C. prod. 3. p. 78.) stem branched, diffuse, 

 rooting at the base, somewhat tetragonal, glabrous ; leaves stem- 

 clasping, and bluntly hastate at the base, linear-lanceolate; 

 flowers axillary, sessile, solitary, apetalous, tetrandrous. Tj , B. ? 

 S. Native of Peru, in marshes. Isnardia hast^ta, Ruiz, et Pav. fl. 

 per. 1. p. 66. t. 85. f. 6. Isnardia subhastata, Dietr. gart. 5. 

 P- 137. ex Rcem. et Schultes, syst. 3. p. 477. 



■oa^^a^e-leaved Ammannia. Shrub 1 foot. 



date at the base ; flowers axillary, 1-3-together, sessile ; pi'talsand 

 stamens 4. ©. B. F. Native of Jamaica, and probably of Soutli 

 Carolina. Sloane, hist. 1. t. 7. f. 4. Lam. ill. t. 77. f. 1. Petals 

 are said to be w^hite. Perhaps the plant is apetalous. 



Broad-leaved Ammannia. Fl. July, Aug. Clt. 1733. PI. 



1 to 2 feet. 



15 A. HU^MiLis (Michx. fl. bor, amer. 1. p. 99.) stem 2>ro- 



cumbent at the base, slender, tetragonal, branched ; leaves 

 linear-lanceolate, attenuated at the base ; flowers axillary, soli- 

 tary, sessile ; petals 4, orbicular ; stamens 4. 0. B. Fl. Native 

 from Carolina to Virginia, along the banks of the rivers in 

 marshes. Torr. fl. un. st. 1. p. 189. A. rambsior, Walt. 

 88. Petals white or pale-purple. Capsule 4-cellcd, 



Humble Ammannia. Fl. July, Aug. Clt. 1823. PI. proc. 



16 A. verticilla'ta (Lam. ill. 1. no. 1554. t. 77. f. 3.) stem 

 erect, tetragonal, branched; leaves lanceolate, nearly sessile, 

 attenuated at the base ; flowers crowded in whorls in the axils 

 of the leaves ; petals 4, obovate ; stamens 4. ©. B. H. Na- 

 tive of marshy places about Padua, and in rice grounds near 

 Florence, and probably also of the East Indies and China. 

 Cornelia verticillata, Hardw. spec. 2. p. 9. 1. 1. A. Tndica, Lam, 



9 A, ELATiNoiDEs (D. C. mem. soc. hist. nat. gen. 3. pt. 2. diet. 9. p. 328. A. baccifera, Lin. spec. 175.? A. viridis, 



P- 92. t. 3. f. B.) stems decumbent at the base ; branches erect, 

 filiform, somewhat tetragonal, simple ; leaves sessile, all oppo- 

 site, lower ones oblong, upper ones ovate ; flowers sessile, ape- 

 talous. tetrandrous, nearly all solitary. ©. B. F. Native of 



Wiild, in Horn. hort. hafn. 1. p. 146. 



^gyp 



Senegal. Lythrum uniflSrum, Perr'. in litt. Capsule ovate, colour, ex Hardw. 

 4-celled,. Calyx cyHndrical, 4-toothed, with the sinuses scarcely 

 exserted into teeth. 



Elatine-lihe Ammannia. PI. decumbent. 



10 A. Borysthe'nica (D. C. prod. 3. p. IS.) stem branched, 

 uifTuse ' - , , 



and A. vesicatbria^ but differs in the flowers being 4-petalled, 

 not apetalous. Calyx 4-toothed. Capsule roundish, equal in 

 length to the tube of the calyx, 1-celled, of an obscure purple 



IVhorled-Rowered Ammannia. Fl. July, Aug. Clt. 1819. 



PI. I foot. 



(R 



. leaves oblong, or obovate-lanceolate, lower ones oppo- 

 site, upper ones alternate ; flowers axillary, sessile, apetalous, 

 ^nd tetrandrous, almost always solitary. 0. B. F. Native at the 

 Bosphorus, near Kiew and Krementschug. P^plis Borysthenica 

 Bess, ex Spreng. syst. 1. p. 135 

 «^le is that of Ammannia. 



Calyx 8-cleft, and the cap- 



Bosj^horus Ammannia. PL diffuse. 



11 A. occiBENTA^Lis (D. C prod. 3. p. 78.) stems ascending, 

 rooting at the base ; leaves lanceolate, tapering into the petiole 

 ^^ the bafifi • flf^w^ra airilT^rv cpssllp. aoctalous. tetrandrous, 



base ; flowers axillary, sessile, apetalous 

 'nearly all solitary. ©• B. H. Native of Porto Rico. 



Peplis 



branched, creeping at the base ; leaves sessile, linear-lanceolate, 

 rather cordate at the base ; branches all densely beset with 

 flowers from the base, so much so as to appear spike-formed ; 

 bracteas spreadingly recurved ; flowers axillary, sessile ; petals 

 4, obovate; stamens 4. ©. B. F. Native of the East Indies. 

 Petals whitish. Capsule subglobose, smaller than the calyx. 



Dense-flowered Ammannia. PI. ^ foot. 



18 A. MULTIFLORA (Roxb. fl. iud. 1. p. 4+7.) stem strai^rht, 

 tetragonal; angles acute; leaves linear, dilated and cordatcly 

 sagittate at the base, stem-clasping ; peduncles axillary, 3-7- 

 flowered; petals 4, roundish. ©. B. F. Native about Cal- 

 cutta, in fields. Petals red. Capsule 1 celled. 



