Magazine  (1928)  Page(s) 14.  
 
[Lemon had]...his first batch in 1824.......formosa, 1824....

Book  (1907)  Page(s) 47.  
 
A careful study of all the lists shows that France is far ahead of all others in originating new kinds. Some date back farther than we had supposed. Formosa (Lemoine, 1824).

Website/Catalog  (1895)  Page(s) 22.  
 
Barr's Hardy Double Chinese Pæonies.
Blushes. (Mostly rose-scented, all beautiful.)
Formosa, primrose-yellow, peach guard petals, 1/6.

Website/Catalog  (1888)  Page(s) 27.  
 
HERBACEOUS HARDY JUNE-FLOWERING CHINESE DOUBLE PAEONIAS. VARIETIES OF ALBIFLORA.
Formosa, blush, centre primrose, 1s.

Magazine  (7 Mar 1885)  Page(s) 423.  
 

Chinese Pæonies.

The following is a good selection of choice named varieties:—Adelaide de Lache, rosy purple; Alba-plenissima, pure white; Alice Julvicourt, blush, centre white; Amabilis, satin rose; Ambrose Verschaffelt, rich purple, sweet scented; Bossuet, magenta rose; Carnea, delicate flesh colour; Charles Binder, rich magenta rose; Dakrica plena, purple; Formosa, black; Gloriosa, purple crimson; Leonie, blush white; Madame Furtado, magenta and salmon rose; Madame Lebon, rich purple rose; Officinalis rubra plena, rich crimson, very large; Purpurea-superba, rich glowing purple; Sir Stafford Northcote, rose, changing to pink; The Queen, blush rose, very large and fine; and Versicolor, deep rose. All the foregoing are double-flowered varieties.

NB: The description of the color being black is probably a typo.

Website/Catalog  (1868)  Page(s) 24.  
 
Paeonia herbacea (chinensis).
270 Formosa (Lemon), reinweiss, mit gelbem Grund, stark gefüllt, extra...8 Sgr.

Website/Catalog  (1865)  Page(s) 10.  
 
Paeonia chinensis.
Formosa (Lemon), Blume bauchig, gelblichweiss, lebendig roth punktirt

[a yellowish white, bulbous flower dotted with vivid red]

Magazine  (16 Nov 1863)  Page(s) Back Cover.  
 
Collection de Seize Variétés les plus remarquables de Pivoines Sinensis et Edulis
...Cette collection, composée de seize plantes, ne coûte pas moins de 60 francs chez les horticulteurs.
Modeste Guérin      )
Duc de Cazes         ) Rose vif
Rosa superbissima )
Reine des Roses    )

Grandiflora nivea plena )
Formosa                        ) Blanc pur
Lady d'Armouth             )
Preciosa nova               )

Monsieur Rouillard   )
Mad. Carpentier       )  Pourpre
Mad. Furtado           )
Rubra violacea        )

Madame Brion    )
Alba Flavescens )  Carné soufre
Lutetiana             )
Reine Victoria     )

La Collection des seize Plantes... 25 fr
Franc de port et d'emballage........28 fr.

Website/Catalog  (1861)  Page(s) 59.  
 
Paeonia Herbacea.
12. Formosa.

Website/Catalog  (1855)  Page(s) 15.  
 
Pivoines de la Chine.
Herbacées et de pleine terre.
Formosa.