There are patches of dense reeds, reaching to ft.
Red patches appeared on Princess Mary's face and she was silent as if she felt guilty.
Vine leaf attacked by mildew, Uncinula necator (Erysiphe Tuckeri), which forms white patches on the upper face, reduced.
Brown or even blood-red stripes have been observed in the North Atlantic when swarms of the copepod Calanus finmarchicus were present; the brown alga Trichodesmium erythraeum, as its name suggests, can change the blue of the tropical seas to red; swarms of diatoms may produce olive-green patches in the ocean, while some other forms of minute life have at times been observed to give the colour of milk to large stretches of the ocean surface.
Portion of twig with discoloured patches, caused by the fungus.
