Hermione's happiness at being included in the Malfoy family lasted all the way across the sodden vegetable patch until they arrived in greenhouse three, but here she was distracted by Professor Sprout showing the class the ugliest plants Hermione had ever seen. Indeed, they looked less like plants than thick, black, giant slugs, protruding vertically out of the soil. Each was squirming slightly and had a number of large, shiny swellings upon it, which appeared to be full of liquid.