510 FLORA OF MADRAS. [Ammannia. 



2. AMMANNIA OCTANDRA, Linn. f. ; F. B. I. ii. 571 ; Roxb. 

 Cor. PL t. 133 ; W. & A. 304. 



East Coast, on tank borders. 



A rather large erect herb with large rose-coloured petals. 



3. AMMANNIA BACCIFERA, Linn.; F. B. I. ii. 569. A. vesicatoria f 

 Roxb.; W. & A. 305. 



All plains Districts, in wet places. 



An erect herb reaching sometimes 2 ft. in height, the 

 leaves narrowed at the base. 



Yar. aegyptiaca, Koehne. A. salicifolia, C. B. Clarke in F. B. I. 

 ii. 569. Leaves more or less cordate at base, the flowers and 

 capsule larger. 



Most Districts of' the Circars and Deccan, and up to 

 5,000 ft. in the Nilgiri Hills. 



3. Nesaea, Comm. 



Annual or perennial herbs or undershrubs, stems often tetra- 

 gonous. Leaves decussate or verticillate, sessile or shortly 

 petioled; stipules 0. Flowers small, solitary and axillary, or in 

 axillary dichasia ; bracteoles 2. Calyx-tiibe campanulate urceolate 

 or globose, herbaceous, lobes 4-8, appendices usually short or 0. 

 Petals as many as the calyx-lobes, inserted between them, 

 sometimes absent. Stamens 4-many, inserted on the calyx-tube. 

 Ovary sessile, glabrous, 2-5-celled ; ovules many; style or 

 short; stigma capitate. Fruit a globose or ellipsoid capsule, 

 at first opening with an operculum, later irregularly below ; 

 placenta central, running up to the style, the valves remaining 

 as wings. Seeds minute, flattened or hollowed on one side. 



Leaves attenuate at base ; calyx-tube usually pubescent, appendages 



horn-like, prominent 1. lanceolata. 



Leaves cordate and subamplexicaul at base; calyx-tube glabrous,, 

 appendages short 2. brevipes. 



1. NESAEA LANCEOLATA, Koehne. Ammannia lanceolata, 

 Heyne ; F. B. I. ii. 570. 



Circars, Deccan and Carnatic, in wet places, near the 

 Coast. 



2. NESAEA BREVIPES, Koehne. Ammannia cordata, W. & A. 

 304; F. B. I. ii. 570. 



Circars and Deccan. 



