Hai !
This is *Panicum paludosum* Roxb., a grass usually found in sub aquatic 
habitats like fallow rice fields, submerged and waterlogged areas, marshy 
or muddy pools, etc. It can be easily identified at a distance because of 
the stiff and angular arrangement of the branches of the panicle. The 
lowest branches are almost horizontal when the inflorescene is completely 
mature. The whole panicle looks like a pyramid. The spikelets are also 
longer and slender than many of the other Panicums. While collecting 
grasses, also try to see the nature of the root system and the presence/ 
absence of rhizomes, stolons, etc. or other characters like sponginess of 
stems, stolons or basal leaf sheaths, especially in semi aquatic habitat. 
Regards...
Manoj Chandran

On Saturday, August 4, 2012 12:03:32 AM UTC+5:30, surajit koley wrote:
>
> Sir,
>
> This is yet another grass, recorded at the same place where i found 
> *Echinochloa 
> crus-galli*.
>
> Species : UNKNOWN
> Habit & Habitat : about 2.5 feet tall, wasteplace
> Date : 19/7/12 & 20/7/12
> Place : Gobra (Hooghly)
>
> Thank you & Regards,
>
> Surajit Koley
>

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