Notes from the Apothecary: Blackthorn   Prunus spinosa, literally meaning a spiny fruit tree, perfectly describes the beautiful yet oh so spiky blackthorn. Blackthorn is a familiar sight across much of Europe, and in Northern England where I live, the blossoms are one of the most impressive displays of spring. Blackthorn blossoms really stand out in the hedgerows because the flowers arrive quite some time before the leaves; white, delicate yet profuse blossoms perched on dark, spiny twigs. Blackthorn is also intertwined with folklore, otherworldly beings, and magic. It truly is a worthy addition to our apothecary.   The Kitchen Garden Many people will know the blackthorn for its beautiful…