1d Fraxinus ornus, a tree that exudes a sugary substance? (5-3) 29a Hill of Volcanic origin in Holyrood Park, Edinburgh? (7-4) 38a French composter famed for orchestrating Auvergne folk songs? (10) 41a Passerine flier of genus Procnias? (8) 31d In poetry, an energy which sustains an inscape, coined by Hopkins? (8)