“Blessed Henry.” Blessed Henry of Segusio, usually called Hostiensis, the famous Italian canonist of the thirteenth century, was born at Susa, and died at Lyons, 25 October, 1271. After a most distinguished career, on 4 December, 1261, he became Cardinal-Bishop of Ostia and Velletri, whence his name Hostiensis. His “Summa super titulis Decretalium” (Strasburg, 1512; Cologne, 1612; Venice, 1605), which was also known as “Summa aurea,” or “Summa archiepiscopi,” since it was written whilst he was Archbishop of Embrun, won for its author the title “Monarcha iuris, lumen lucidissimum Decretorum.” One portion of this work, the “Summa, siue Tractatus de poenitentia et remissionibus,” was very popular, and is continually referred to as of high authority. The book was written between 1250 and 1261.

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