From the book, for the flowers and leaves:

You will need: Oddments of the same weight of yarn in red, yellow, and green.

Description:

Brightly-colored flowers and leaves trim a plain buttonhole bag which is large enough to hold purse, keys, cell phone, and other essentials. The bag pattern also looks good without the added trimmings, and it can be worked in one color or in stripes.

Alias: Project 4 / Buttonhole Bag