Website/Catalog  (1915)  Page(s) 43.  
 
Japanese Peonies
Including direct importations from Japan, and Kelway's "Imperial" and Hollis' New Seedling Japanese Peonies
A new race of Peonies of a distinct type, forming a separate class, intermediate between the single and the double types, and distinguished by their stamens being transformed into narrow petaloids. [...]
I have retained the Japanese names, with their translation, prefixed by the Amreicannames, which were given to this set by the Peony Society of the American Florists.
Labolas. Medium size. Dark crimson, 3(168), narrow center petals tipped yellow. Fragrance X. Strong, vigorous, free bloomer. Midseason. 50 cents.

Website/Catalog  (1909)  Page(s) 7.  
 
Labolas. Large crimson guard petals, with spirally twisted central petals, tipped with gold...$ 1 25

Book  (1907)  Page(s) 126.  
 
1397. LABOLAS; P....(Kelway, 1884)
(1) 1884, Kelway's Cat. Fewkes' MSS.
(2) 1884, The Florist, p. 110.
(3) Cornell Plot No. 1772.

Book  (1907)  Page(s) 41.  
 
Labolas. Kelway. Purple rose; short petals, tipped yellow.

Magazine  (Jul 1884)  Page(s) 110.  
 
Register of Novelties.
New Flowers.
The varieties raised by Messrs. Kelway & Son are now being offered:
Pæonies, Double Herbaceous.—Labolas, rose, centre salmon...