Flos fulsit ex Britannia Ursula

Source: 
Istanbul, Topkapı Sarayı Müzesi, Deissmann 42
Folio: 
239r
Sequence: 
2
Feast: 
XI milium Virginum
Office/Mass: 
M
Genre: 
A
Position: 
1.2
Cantus ID: 
201853
Mode: 
2
Differentia: 
D1
Differentia database: 
1--f-f-f-f-cd-d--4 150e
Manuscript Reading Full Text (standardized spelling): 
Flos fulsit ex Britannia Ursula stirpe regia auctrix fructus virginei predicans preceptum domini