The Pagan Book of Days for July 28th
Domhnach Chrom Dubh
The Irish sacrifical god, Domhnach Chrom Dubh, is connected with the festival of Lammas as is John Barleycorn, personification of grain, who is killed by being cut at this time.
Reference
The Pagan Book of Days
Nigel Pennick
Witches Of The Craft® 