There are two filet motifs; one has a spiderweb design, the other has an iris (fleur de lys) in filet. There are 35 motifs, arranged 5 x 7, with 5 rounds of shell stitch border.

Pattern 21 in Magic Crochet.
Pattern 5, Flor de Lis, in Ganchillo Artistico.
Pattern 5 in Crochet Monthly, #174 and named Matinee.