ClipArt ETC
"The Scab-fungus (Venturia inaequalis). a, an infested apple, showing scabs caused by the fungus; b, portion of an infested leaf, showing the fungus in black patches; c, section of a diseased spot in the fruit, showing the spores of the fungus in position." -Whitney, 1911

Scab Fungus

"The Scab-fungus (Venturia inaequalis). a, an infested apple, showing scabs caused by the fungus; b,…