BOTANICAL APHORISMS. 201 
Agrostemma, Trifolium, Orchis, Digitalis, Car- 
duus, Serratula, Papaver, Fumaria, Geranium, and 
many others. 
Blue changes into white in 
‘Campanula, Pulmonaria, Anemone, Aquilegia, Viola, 
Vicia, Galega, Polygala, Symphytum, Borago, Hys- 
sopus, Dracocephalum, Scabiosa, Jasione, Centaurea, 
and many others. 
Yellow changes into white in 
Melilotus, Agrimonia, Verbascum, Tulipa, Alcea, 
Centaurea, Chrysanthemum, &c. 
Blue changes into red in 
Aquilegia, Polygala, Anemone, Centaurea, Pulmo- 
naria, &c. 
Blue changes into yellow in 
Commelina, Crocus, &c. 
Red changes into yellow in 
Mirabilis, Tulipa, Anthyllis, &c. 
Red changes into blue in 
Anagallis, &c. 
White into red in 
Oxalis, Datura, Pisum, Bellis. 
Fruits, particularly the juicy kinds, often change 
their ‘colours. 
Black berries change into white in 
Rubus, Myrtillus, Sambucus, &c. 
Black into yellow in 
Solanum. 
Red passes into white in 
Ribes, Rubus Ideus. 
Red into yellow in 
Cornus. — 
Green 
