Cuisine of Ceredigion a traditional cake made at this time, which is flavoured with caraway seeds. The Threshing Cake, or Cacen Ddyrnu, is a traditional cake made at threshing time and uses buttermilk and bacon fat, which are always available on Welsh farms. Teisen Carawe, or Seed Cake, is another cake using caraway seeds. It is one of the oldest of the Welsh egg-raised cakes and is traditionally associated with chapel and Sunday tea in the parlour. An old Ceredigion recipe is Christmas Cake, or Teisen Ddu Nadolig, which typically includes some home brewed ale. Commercial bakeries developed in urban areas during the
Evolution of seed size see a pattern with seed size distribution and global environmental conditions where the largest mean seed size is found in tropical forests and a steep decrease in seed size takes places globally as vegetation type changes to non-forest. Evolution of seed size The first seeded plants emerged in the late Devonian 370 million years ago. Selection pressures shaping seed size stem from physical and biological sources including drought, predation, seedling-seedling competition, optimal dormancy depth, and dispersal. Modern seed sizes range from 0.0001 mg in orchid seeds to 42 kg in double coconuts. Larger seeds have larger quantities of metabolic reserves