Book  (1936)  Page(s) 182.  
 
Cristalline (china) ? ? ; glossy pure white, center sulphur-yellow, large flat outer petals, large, double, firm center, short branches, very small foliage, short habit, 30 cm.

Book  (1899)  Page(s) 45.  
 
Cristalline, Bengale, blanc et jaune

Book  (1880)  Page(s) Annex, p. 35.  
 
tea, Crystalline, glossy white, center shaded sulphur-yellow, large, double, outer petals large and flat, inner petals small and dainty.

Magazine  (8 Jul 1875)  Page(s) 22.  
 
The old Sulphurea odorata, called by some Crystalline, with its long egg-shaped bud, and which I believe was the first Tea introduced into this country, and which I fear is now rarely to be met with, is still almost the sweetest in its class.