Recently, I took a walk of almost two- hundred miles across the landscape of spring on the Camino de Santiago in Spain. The vegetation and the emerging leaves on the canopy above me offered a dense background with many markers for the progress of the season as well as for my own progress along the path – on which I averaged about seven to nine miles in a day. My leisurely pace filled the time almost completely with floral events, with hills of bright wheat and woods of eucalyptus and pine,