2 adjectives to describe ruchings

The beautiful coffre presented to her with the layette of the Dauphin still stands on a table in an adjoining chamber, and the paintings on its white silk casing are scarcely faded yet, though the decorative ruching of green silk leaves has long ago fallen into decay.

Her head was bowed nowher glorious, proud little head,and she sat silent, an abashed heap of fluffy frills and ruffles, a tiny bundle of vaporous ruchings and filmy tucks and suchlike vanities, in the green dusk of the summer-house.

2 adjectives to describe  ruchings