Ireland celebrate the Triple Crown. (Getty Images)

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Two-try Gordon D'Arcy led the way as Ireland swept aside defiant Scotland 37-16 with a second-half flourish which clinched a Triple Crown triumph at Lansdowne Road.

Scotland, who trailed 16-9 at half-time, were level eight minutes into the second half with a try from flanker Allister Hogg converted by Chris Paterson.

But the Irish moved up a gear in response and tries from David Wallace, Peter Stringer and man of the match D'Arcy secured an emphatic victory for Ireland and condemned Scotland to the wooden spoon.

D'Arcy and Geordan Murphy had claimed the first-half tries which enabled Ireland to build a seven-point half-time lead.

Two Paterson penalties and a Dan Parks drop-goal had kept Scotland in with a chance and Hogg's converted try raised hopes of an upset.

But Ireland were in no mood to let a Triple Crown slip from their grasp and three tries in 20 second-half minutes did the trick.

Skippered by Brian O'Driscoll, who was winning his 50th cap, Ireland needed to beat the Scots by at least 50 points to have any chance of winning the championship.

They never looked like doing so as Matt Williams' men made them work hard for their win but the Irish were still celebrating at the final whistle with a Triple Crown in their grasp.