Gentiana macaulayi / G. x macauleyi or G.'Macauleyi' is an old hybrid, "raised at Kilmichael, Glassary" ( according to David Wilkie in the SRGC journal of September 1957) and is a hybrid between G. farreri and G. sino-ornata. "In character it resembles G. farreri but it is a better grower and more easily divided. It comes into flower much earlier than G. sino-ornata and the flowers are a pale blue."
Othjer references for it in the SRGC Journals are : 'Macaulayi' : 8/219, 220; 11/25; 13/180; 16/92; 24/349
And these other named forms of the hybrid......
— — 'Brin' : 16/93; 25/91
— — 'Elata' : 16/92; 25/91
— — 'Kingfisher' : 8/37; 16/92; 23/375
— — 'Kidbrooke Seedling' : 11/25; 16/93
— — 'Praecox' : 16/93; 25/92
— — seedlings : 25/96
— — 'Wellsii' : 1/10; 16/93