what are they?

oh...october seems to be the time

http://www.sloe.biz

http://www.sloe.biz/sloes/index.htm

http://www.woolfit.com/sloegin.html

http://www.findonvillage.com/0468_take_some_sloes_and_a_bottle_of_gin.htm

my favorite blackthorn is the cider http://www.dryblackthorncider.com/b/index_B.html