Book  (1936)  Page(s) 667.  
 
Singer, Max (HP) Singer 1885; fiery ruby, shaded amaranth and mahagony; large, well double, fine form, solitary or up to 5, floriferous, repeats, growth 8/10.

Book  (1899)  Page(s) 127.  
 
Max Singer, HR, Singer, 1885, rubis nuancé