Book  (1936)  Page(s) 477.  
 
Michigan or Detroit (setigera) ? before 1848; glossy pink, varies, single, climbing habit.
Michigan Perpetual (setigera) Feast 1843; ?

Book  (1926)  Page(s) 13, 17.  
 
'Michigan' or 'Detroit'... single, very bright pink...

Book  (1844)  Page(s) 28.  
 
Perpetual Michigan, very double, rosy purple flower, quite flat; this variety is said to bloom in the autumn. I have grown it two years, but it has not shown that tendency with me; but I have no doubt that old well established plants will be found to give freely a secondary bloom.