Crow garlic. A form of garlic which is more a weed than a culinary gift. It's aftertaste is relatively bitter, and it imparts a garlic flavour to the meat of animals which graze wehre it is prevalent. It is invasive in some areas.
A variety of snail - the Roman or vineyard snail. It is rather slow-growing, but thought to the tastiest of the snails though without quite the special qualites of the petit gris. Helix pomatia measure between 28 and 36 mm (around 1"-1½") while Helix aspersa are between 25-30 mm.