Cornish cornwall developing England english fern fresh fronds Great Britain growth natural nature pinnae plant pteridophyte spring stems temperate uncoiling unrolling woodland Buckinghamshire Chiltern Hills cloud cumulus downland Downs escarpment grassland landscape meadow Natural landscape plain sky view Adoxaceae berries berry black bush edible elderberry red Sambucus nigra summer Sussex tree wild crosswort Cruciata laevipes field flowers green plants South Downs valley yellow bark ficus foliage grow growing jungle root Roots texture tropical vegetation atlantic blue cliff distant edge far horizon huge madeira ocean panorama reflection sea vast water barn duckweed lily Michelham moat pad priory protection reed waterlily close up flower leaf odour petal pink pollen scene smell tulip