ID of these mushrooms. : Attachments (2)

The botanical name of these mushrooms on dead tree stump please.
Date & Time        28 June 2010, time 5.00 PM
Location: Place, Altitude, GPS        Chethalayam,  Wayanad, Kerala.
Habitat: Garden, Urban, Wild Type:        Wild

I think the mushrooms belongs to the genus Mycena sp. I can’t confidently derive the species which will require further microscopic studies. I personally appreciate your photos and also thank you for showing keen interest in Fungi.

Can these be some Coprinellus species as per representative images herein ?