C.N. Douglas, comp. Forty Thousand Quotations: Prose and Poetical. 1917.

Shamrock

O, the Shamrock, the green, immortal Shamrock!
Chosen leaf
Of bard and chief,
Old Erin’s native Shamrock.

Moore.

I’ll seek a four-leaved shamrock in all the fairy dells,
And if I find the charmèd leaves, oh, how I’ll weave my spells!

Samuel Lover.