Article (newsletter)  (1996)  Page(s) 45.  
 
Descemet was another great rose grower of the Empire period. His nursery was at St-Denis near Paris. In 1815 his nurseries were destroyed during the war and at that time he had imported or bred more than a hundred Gallicas -- in fact 109 are know. Only 15 of these remain -- this is one of them.

Book  (1936)  Page(s) 520.  
 
Obscurité, Grande (Provins) ? ? ; velvety brown-purple = Passe velours

Website/Catalog  (1849)  Page(s) 49.  
 
Rosai a foglie caduche di vari tipii. Obscurité de Van Dael. m (medio) semi-doppio, porpora vellutata cupa, centro verde, di bellissimo effetto … fr 1 25

Website/Catalog  (1831)  Page(s) 52.  
 
Roses de Provins et hybrides.
932 Passe-Velours...Fleur moyenne, violet foncé.

Book  (1829)  Page(s) 115.  
 
463. Passe Velours. – Grande Obscurité, ses noms à Rouen Maheca Nova, G., en 1818.- . Fleur moyenne, multiple, très-veloutée, pourpre brun ou pourpre foncé. Pétales très-épais, plus foncés au sommet qu’à la base.

Website/Catalog  (1826)  Page(s) 64.  
 
ROSA gallica.
passe velours.

Website/Catalog  (1820)  Page(s) 45.  
 
Provins. No. 673 Passe velours (Descemet)