Ammannia.'] LYTHRACEAE. 509 



spathulate thickly marginate stem leaves much larger than 

 the slender floral ones which make short leafy spikes. 

 S. ROTALA ROTUNDIFOLIA, Koehne. Ammannia rotundifolia, 



Roxb. ; F. B. I. ii. 566 ; W. & A. 306 in part. 

 All Districts, in ricefields and other wet places, up to 

 7,000ft. in the hills. 



An extensively creeping herb forming large patches, con- 

 spicuous for its terminal spikes of pretty rose-coloured 

 flowers. 

 9. ROTALA MACRANDRA, Koehne. Ammannia rotundifolia, 



W. & A. 306 in part. Ameletia rotundifolia, Wt. Ic. t. 258. 

 W. G-hats, in the hills of Malabar (Bourne), Anamalais 

 (Wight). 



A flaccid herb, creeping aud rooting at base, much 

 branched, scarcely distinct from R. rotundifolia. 





 2. Ammannia, Linn. 



Annual (or perhaps biennial sometimes) glabrous herbs of wet 

 places, stems more or less tetragonous. Leaves decussate, sessile, 

 often cordate at base ; stipules 0. Flowers small, 4- or rarely 5 - 

 merous, in axillary sessile or pedunculate dichasia; bracteoles 

 pale, membranous. Calyx-tu]ye campanulate, later globose ; lobes 

 4, triangular ; appendages or very short. Petals alternate, when 

 present, between the calyx-lobes, sometimes 0. Stamens 4 or 8, 

 on the calyx-tube. Ovary sessile, incompletely 1-5-celled ; style 

 erect ; stigma capitate. Fruit a capsule, breaking up irregularly 

 or circumsciss, the walls very thin, membranous, not striate. 

 Seeds very many, small, a raphe on the inner face. 



Style filiform ; leaves usually auriculate-cordate ; petals present : 

 Capsule as long as or longer than the calyx-tube ; flowers pedicel- 

 late; stamens 4, included; petals small or absent 1. multiflora. 



Capsule hidden in the calyx-tube ; flowers subsessile ; stamens 8, 

 long exserted ; petals *1 in. long 2. octandra. 



Style thick ; leaves narrowed or somewhat cordate at base ; petals ; 



capsules lightly longer than the calyx-tube ; stamens 4... 3. baccifera. 



1. AMMANNIA MULTIFLORA, Roxb.; F. B. I. ii. 570; W. & A. 

 305. 



All plains Districts, in wet places. 

 A small erect herb with narrow leaves. 



