Stitchfinder: Crochet Stitch: Alone Together

CL2 (2-dc Bobble) [Yo and draw up a lp, yo and draw through 2 lps on hook] twice, yo and draw through all 3 lps on hook. 

CL3 (3-dc Bobble)[Yo and draw up a lp, yo and draw through 2 lps on hook] 3 times, yo and draw through all 4 lps on hook.

First Motif 
Ch 4, join with sl st to form ring.
Rnd 1 Ch 1, 8 sc in ring, join with sl st to first sc. 
Rnd 2 (Ch 3, CL2) in first sc, ch 4, [CL3 in next sc, ch 4] 7 times—8 clusters. Join with sl st to top of beg CL2. 
Rnd 3 Sl st in first ch-4 sp, ch 1, *(1 sc, ch 2, 1 sc, ch 4, 1 sc) in next ch-4 sp, ch 8, (1 sc, ch 4, 1 sc, ch 2, 1 sc) in next ch-4 sp; rep from * around. Join with sl st to first sc. Fasten off.

Second and All Remaining Motifs
Work as first motif through rnd 2.

Joining
Work rnd 3 as first motif, joining motifs in corresponding ch-8 corners or ch-4 lps as foll: 
Ch-8 Corners Ch 4 on rnd 3 of 2nd motif, drop lp from hook, insert hook from front to back through corresponding ch-8 lp on first motif, pick up dropped lp of 2nd motif, ch 4, cont to work rnd 3 on 2nd motif as established. 
Ch-4 Lps Ch 2 on rnd 3 of 2nd motif, drop lp from hook, insert hook from front to back in corresponding ch-4 lp on first motif, pick up dropped lp of 2nd motif, ch 2, cont to work rnd 3 of 2nd motif as established.

Stitch directions reproduced with permission, from Vogue Knitting Stitchionary: Volume Four, Sixth & Spring Books, 2007