Vreth smiled a little and nodded. Standing up, he made his way over towards on of the walls. He rubbed his hands together. Dirt began to run through his fingers. Turning his hand, he rubbed the dirt on the wall. As he did so, the air filled with a slight humming vibration. The tree like roots on Vreth's arm creaked and groaned reaching out before attaching themselves to the wall, spreading out. As he stepped away, those same white flowers began to bloom, some turning into apples. Others into pears, oranges, berries and grapes. It certainly looked odd, but it was pretty at least. All knotted and gnarled, curved and twisted like Celtic knotwork but wilder.
"Have you seen the rest of this being?" he asked, referring to the TARDIS. He gestured around himself, looking at Mal. "This vessel"