[Exobasidium dimorphosporum infects the branches and slightly deforms the leaves. It occupies the entire lamina of the leaf/the laminas of all the leaves. (approximate untutored translation of Latin below)]
Ramulos infecit et folia leviter deformat. Laminas totas foliorum occupat.Hymenium hypophyllum. Basidia per cuticulum ...
”- Savile DBO: (1959) Notes on Exobasidium©