There are three large 8-petal daisies that are joined at 2 points, and have 6 rows of mesh surrounding the other 6 petals, then picot/shell border around the whole thing.

Pattern 3 in Magic Crochet.
Pattern 3, Oval White Doily, in Crochet Monthly.

Tension
5 rows of treble should measure 5 cm high.
If using No. 5 cotton, and size 12 mm hook (?), the cloth will measure about 68 cm x 33 cm.