Le Pavot Jelly Roll by Sandi Gervais for Moda 17970JR. 40 strips 2-1/2" x 42". 100% Premium Cotton. Click Here to View all Fabrics in Jelly Roll. I have always loved botanical drawings. From the fine details of the drawings to the beautiful shading in the colored renderings. As an artist, I love that among the most accomplished botanical artists in history are several women – Margaret Flockton, Maria Sybillia Merion and Elizabeth Blackwell. - Sandy Gervais.