Charles de Mills
The blooms of this excellent Gallica are very large and flat and are a sumptuous shade of rich purple with cranberry tones.  There is a moderate fragrance.  It blooms only in spring but for a long time.  It is a vigorous plant and suckers from the roots, so should be placed where that is not a problem.  It has good blackspot resistance most of the time, small prickles, and is a tough undemanding plant.  It has been around prior to the 1700's.