Commercially available

• Cottage Rose (Unknown, pre 1826)
• Grevillei scarlet
• "Old Spanish Rose"
• Pallagi panaché
• Russell's Cottage Rose
• Scarlet Grevillei

84 favorite votes.  
Average rating: EXCELLENT.  

Mauve or mauve blend Hybrid Multiflora.
Registration name: Russelliana (hybrid multiflora, Unknown pre - 1826)

Bred by Unknown (before 1826).

Climber, Hybrid Multiflora.  

Violet-red to lilac, darker center, lighter edges.  Strong fragrance.  Medium, very double, flat bloom form.  Once-blooming spring or summer.  

Climbing.  Fragrant foliage.  

Height: 10' to 20' (305 to 610cm).  Width: up to 10' (up to 305cm).

USDA zone 4a through 9b.  Vigorous.  

Diploid

Parentage is uncertain, see References.
Mentioned in The American Rose Annual of 1926, p. 17... vivid purplish crimson and white...
A rose named 'Souvenir de la Bataille de Marengo' never existed, this seems to be an invention of Nancy Lindsay - see references.
See the 1846 reference for the synonym 'Pallagi panaché'.