694 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXV. 



30. C. distans, Linn. Usually about 2 feet. Slender. Um- 

 bel large, occupying nearly half the plant, compound, with nume- 

 rous spreading rays. Spikelets as clavis, red or dark-brown, 

 rhachilla filiform, wavy. 



Apparently rare. Only authentic specimen from Castle Rock (Herb 

 Agr. Coll.) (All warm regions). 



31. C. nutans, VaM. 2-3^ ft. Umbel with very long ray 

 and secondary rays. Clusters (mature) droojJing. 



Apparently rare. Scattered throughout the Southern Ghat region 

 (^ India generally). 



32. C. eleusinoides, Kunth. H-4 ft. Umbel small or large 

 according to general development. Spikelets crowded on the 

 ultimate rays, supported hy bracteoles, almost always erect. Glumes 

 not very distant, but loosely spreading with hollow curved back! 

 Easily recognised when known, but not ver}- easy to describe. 



Abundant throughout the Presidency in standing or running water. 

 (Warm regions of the old world). 



E. — Leafy perennials. Spikelets coinpressed. Glumes closely imbricating 

 with scarious margins and tips. Tail herbs of marshes. 



Key to the Subsection \- — 



1. Rhachis of spike pilose-scabrid . . . . . . 31. C. pilosus. 



2. Rhachis of spike glabrous . . . . . . 32. C. procerus. 



33. C. pilosus, Vahl. Upto 3. ft. Umbel medium-sized, 

 compound. Spikelets distant on the hairy rhachis, spreading at 

 right angles about 5X^2 iiich, dark-coloured, acute, margins of 

 glumes hyaline white. 



In marshes in the Mallad tract of the Carnatic, not uncommon. Occa- 

 sional further North. (Tropics except America). 



34. C. procerus, Kotth. Upto 3 feet. Umbel usually not 

 very large for the size of the plant. Spikelets rather distant, larger 

 than pilosus, 1 x J inches, bright red or paler (when young), not 

 very acute. Margins of glumes hyaline white. 



In marshes in the Mallad tract, of the Carnatic, often gregarious, not 

 Tincommon. (E. Asia). 



F. — Maritime herbs with terete pale spikelets. 



Key to the Subsection : — 



1. Glumes crisply incurved all round .. .. ^5. C. malaccensis. 



2. Glumes appressed . . . . . . . . 36. C. stoloniferus . 



35. C. malaccensis, Lam. Rhizome creeping. Stems l|-3 ft. 

 Stem triquetrous almost three-winged at top. Leaves few, short. 

 Umbel small for the size of the plant. Bracts leafy. Spikelets 

 \ X 5*0 inch, as clavis. 



In brackish mud, Konkan Coasts. App. ra-e. (Asian and Australian, 

 maritime). 



