,] LVIII. LYTHRACEiE (HIERN). 477 



1. A. senegalensis, Lam. ; DC. Prod. iii. 77. Glabrous. Stem 

 erect or procumbent, usually tetragonal or 4-winged, sometimes sub- 

 terete, 1-24 in. high. Leaves linear oblong or lanceolate, blunt at the 

 base, usually auriculate-cordate and amplexicaul, ^-2J in. long, patent. 

 Peduncles bearing one few or many pedicelled flowers, smaller towards 

 the extremities of the stem and branches. Calyx campanulate, 8-ribbed. 

 Petals 4, caducous or wanting, white or coloured. Stamens 4 or 8, 

 exserted or as long as the calyx. Style long or short. Occasionally a 

 flower is pentamerous. — Conf. A. madagascariensis, Bvn. j Tul. Ann. Sc. 

 Nat. ser. 4, vi. 129 (1856). 



A variable species, growing in damp places, and extending to India, Java, and Brazil. 

 The following forms may be noticed: — 



a. auriculata, Willd. (sp.). Sometimes glaucescent. Cymes much shorter than the 

 leaves, bearing many rather large flowers. Stamens exserted. Style long. A.flori- 

 bunda, Guill. and Perr. Fl. Seneg. i. 302. A. undulata, Fisch. and Mey. A. Prieu- 

 reana, Guill. and Perr. I.e. 303. 



/S. JUiformis, DC. (sp.). Stem quadrangular, filiform, with few diffuse branches 3-6 in. 

 long. Cymes lax. Stamens 4. 



y. riparia. Stem 14 in. high, erect, quadrangular, bifid-near base. Leaves widened 

 at middle and much auricled at base, amplexicaul. Stamens 4, long. Style long. 

 Capsule large, not much exceeding the subtruncate calyx. 



8. patens. Annual or biennial. Stem a foot high or more, quadrangular, with 

 patent leaves and branches. Cymes dense, many-flowered, with short slender peduncles 

 and pedicels. Stamens 4, short. Style short; ovary 2-celled. 



e. multijiora, Roxb (sp.). Stem 6-24 in. high, quadrangular, with erect-patent 

 branches. Flowers and capsule small. Cymes with long slender pedicels. Stamens 

 4 or 8, long. Style long. Petals rather large, reddish. — A. pusilla, Sond. 



£. brasiliensis, A. St. Hil. Fl. Bras. Mer. iii. 135, t. 187. Annual. Stem erect or 

 ascending, 3-13 in. high, quadrangular, Petals when present reddish, shorter than 

 the calyx. Stamens 4, exserted ; anthers yellow. Style long ; ovary 2-celled. Cymes 

 nearly equalling the leaves ; peduncles long and slender. 



Upper Guinea. Senegal, a. Perrottet! 331, 336; Bidjem! Roger! ff. Per- 

 rottet! 330 (fl. Sept. and Oct.). e. Bidjem! 212; Boteler! Niger, «. Barter! 

 Baikie ! 



Nile Land. Kordofan. a. Kotschy ! 178,435. Abyssinia, y. Schimper! 1742, 

 Madi, 5. SpeJce and Grant! Senuaar, *. Kotschy! 



Lower Guinea. Mossaraedes. a. Br. Welwitsch! 2350, ft. alt., fl. August. 

 Congo, 8. Chr. Smith! Aneola, d. Welwitsch! 2352. Golungo Alto, 1000-2400 ft. 

 alt. «. Welwitsch! 2351. Pungo Andongo, 2400-3800 ft. alt. e. Welwitsch! 2353. 

 2354. Ambaca, 2900ft, alto. £. Welwitsch! 2358, 2359. Pungo Andongo, 2400- 

 3800 ft. alt. I. Welwitsch! 2360. Mossamedes. 



Mozamb. Distr. Zambesi, e. Meller! 



2. A. salsuginosa, Quill, et Perr. Fl. Seneg. 302. Glabrous. Stem 

 erect, naked below, 1 ft. high. Leaves narrowly oval, blunt, somewhat 

 narrowed below the middle, with one central vein depressed on upper 

 face of leaf, ^-1 in. long. Cymes peduncled, bearing usually 3 pedi- 

 celled flowers. Calyx with campanulate 8-ribbed tube, 4 depresso- 

 deltflid lobes and 4 small cornua. Petals minute or wanting. Stamens 

 4, inserted a little above base of interior of calyx, included. Style 

 .short, erect ; stigma capitate. Capsule half covered by persistent calyx. 



Upper Guinea. Island Sor, near St. Louis, Heudelot! Perrottet! fl. Sept. and 

 Oct. 

 In the specimens of this plant from Tropical Africa, both at Kew and the British 



