508 FLORA OF MADRAS. [Rotala. 



1. ROTALA OCCULTIFLORA, Koelme. 



"W. Coast, in Malabar (G. Thomson, quoted by Koehne). 

 A small water-herb with linear verticillate leaves and long 

 bracteoles. 



2. ROTALA VERTICILLARJS, Linn. ; "W. & A. 303 ; Wt. Ic. t. 

 t. 260 A. Ammannia Rotala, C. B. Clarke in F. B. I. ii. 567. 



E. Coast, from Nellore (Bourne) southwards to Tranquebar 



(Rottler). 



A small herb of ricefields with verticillate linear leaves. 



3. ROTALA ILLECEBROIDES, Koehne. Ammannia pentandra 

 var. illecebroides, C. B. Clarke in F. B. I. ii. 569. 



W. Ghats, in the Anamalai Hills, at 3,500 ft. (Fischer) ; no 

 locality (Wight). 



A very slender water-herb with erect slender stems, the 

 leaves ovate-cordate, the calyx-lobes with conspicuous hair- 

 like acumination. 



4. ROTALA. LEPTOPETALA, Koehne. Ammannia pentandra, 

 Roxb. ; F. B. I. ii. 568 in part. 



Plains Districts, chiefly on the East Coast, in moist places. 

 A herb 3 to 12 in. high with usually erect stems and rather 

 few branches, hardly distinct from R. densiflora. 



5. ROTALA DENSIFLORA, Koehne. R. Roxburghiana, Wt. Ic. t. 

 260 B. Ammannia pentandra, Roxb. ; F. B. I. ii. 568 in 

 part. 



Most plains Districts, in moist places. 



A herb reaching 6-12 in. high with many divaricating 



floriferous branches. 



6. ROTALA FIMBRIATA, Wt. Ic. t. 217. Ammannia pentandra 

 var. fimbriata,C. B. Clarke in F. B. I. ii. 569. 



Deccan, in Mysore, in ricefields and on tank borders 



(Wight), Horsleykonda, in Cuddapah, at 4,000 ft. (Gamble, 



Fischer). 



A rather large herb reaching nearly 2 'ft. in height, the 



lower nodes rooting, the leaves linear cordate. 



7. ROTALA INDICA, Koehne. Ammannia peploldes, Spr. ; 

 F. B. I. ii. 566. Ameletia indica, DC. ; W. & A. 303 ; Wt. Ic. 

 t. 257 A. 



Most Districts in ricefields and other wet places, in the 



hills up to 2,000 ft. 



An extensively rooting much-branched herb, the obovate 



