This beanie uses mosaic crochet to create the branching pattern inspired by the diagrams representing phylogenetic trees. Make one to celebrate Darwin Day (February 12)!

Materials
Yarn:
Lace or light fingering weight yarn in at least two colors:

one main background color (170 yd)
alternate color (220 yd total):

1. brim color (80 yd)
2. pattern color (140 yd total) four colors of 35 yd each in sample

Sample used Jamieson’s of Shetland Ultra
Black, 80 yd (A)
Goblin, 35 yd (B)
Lava, 35 yd (C)
Silver, 170 yd (D)
Sunburst, 35 yd (E)
Titanic, 35 yd (F)

Hook: 3.0 and 3.5 mm hook, or appropriate for gauge

Notions: tapestry needle

Gauge
22 st x 13 rounds in dc in 4” square

Abbreviations
BLO – back loop only
bpdc – back post double crochet
ch – chain
dc – double crochet
dc2tog – double crochet two together
efpdc – extended front post double crochet
FLO – front loop only
FLOdc2tog – front loop only double crochet two together
fpdc – front post double crochet
sc – single crochet
sl st – slip stitch
st – stitch