However, on we go by degrees, and find the banks everywhere rich with fresh springing grass and deep full beds of moss, with every here and there the pale lemon-tinted petals of the primrose just peeping through the partial openings in their shrouding mantles of green; and there, above us, hangs that which I had hoped to find the catkins of the hazel, which have been hailed by children for centuries under the names of 'Pussy-cat's tails, or 'Baa-lamb's tails; and a more interesting flower for examination as we pass onwards we can scarcely have, for its structure is very peculiar and beautiful.