Website/Catalog  (1924)  Page(s) 8.  
 
Select List of Double Herbaceous Peonies
7.4 Duke of Devonshire (Kelway 1895)—Rose type; late. Extra large, flat bloom deep rose in color. Each $1.00

Website/Catalog  (1912)  Page(s) 12.  
 
Kelway's Peonies.
Kelway, of England, has produced some very fine varieties, such as Baroness Schroeder, James Kelway, Lady Alexandra Duff, and various other sorts.
Duke of Devonshire. "A large variety of deep rose color, with large outer guard petals, and dense center."—Journal of Horticulture. Award of Merit, R.H.S. $1.25.

Magazine  (Nov 1911)  Page(s) 145.  
 
DUKE OF DEVONSHIRE.
Species — P. albifiora.
Originated by Kelway, 1896.
Donated by Cottage Gardens Company.
Description of bloom — Type of bloom rose. Form of bloom flat, compact. Differentiated. Not entirely transformed. Color (total effect) solferino red 3 (157); guards clear; collar same as guards; center clear; uniform color. Narrow petals found scattered through the bloom. Fragrance pleasant X. Blooming time late. Size very large.
Description of plant— Habit of plant erect, tall, compact. Growth strong and healthy. Stem long, strong, reddish green. Blooming habit free. Buds borne in clusters, healthy. Foliage well furnished, medium green, medium size ; veins reddish green.
Commercial value — For cut bloom medium; landscape value extra good. Variety as a whole good.

Website/Catalog  (1909)  Page(s) 4.  
 
Duke of Devonshire. Deep rose, with large outer guard petals and dense center....$ 1 25

Book  (1907)  Page(s) 69.  
 
692. DEVONSHIRE, DUKE OF; P....(Kelway, 1896)
(1) 1896, Kelway's Cat. Fewkes' MSS.
(2) 1895, The Gardening World, Vol. 11, p. 678.
(3) 1904, Harrison's Paeony Manual, p. 43.
(4) Cornell Plot No. 460.

Book  (1907)  Page(s) 37.  
 
Duke of Devonshire Kelway. Large, deep red; one of the finest. Very brilliant and striking.

Website/Catalog  (1903)  Page(s) 3.  
 
KELWAY’S LATEST INTRODUCTIONS OF DOUBLE HERBACEOUS PAEONIES
Duke of Devonshire, a large flower of deep rose, very fine ; award of merit R. H. S...$1.50.

Website/Catalog  (1896)  Page(s) 23.  
 
New Double Herbaceous Pæonies (Kelway's).
Raised by Kelway & Son. 7/- each.
Duke of Devonshire, a large variety, of deep rose colour, with large outer guard petals. and dense centre. Journal of Horticulture. Award of Merit, R.H.S., June 11th, 1895.
Duke of Devonshire is a fine large double variety, with deep rose guard petals, and a mass of small inner petals of the same colour. Gardener's Magazine