30 



Globe Amaranth, the head is composed mainly of the 

 prominent dariv crimson bracts ; the minute flower 

 is first white, but changes to the same crimson. 



Zinnia has large, coarse textured outer petals ; some 

 varieties of these at first lemon yellow, become 

 orange, then scarlet, and with age (crimson ! 



The central florets do not change their yellow color. Cer- 

 tain other varieties begin with white which is then followed 

 by quite a different series of color, similar to those shown 

 in Chrysanthemums. 



Prenanihas alha, white, has a light green involucre or 

 sepals which change to purple. 



Chrysantheimim tri-coloris variable, the rays being yellow^ 

 at base and red at the tip, or yellow at base, then 

 red above and the tip white, while the disc florets 

 are })urple-brown. 



Gheirantkes Cheiri, certain varieties at first lemon-yellow, 

 change directly to pink. 



Phaseolus vulgaris var. mnltifiorus. The inner petals of 

 a very young bud of the Scarlet Runner bean are 

 pink and white ; when half grown and when ex- 

 panded they are orange-scarlet. 



Euphorbia pohjgonifolia and E. iuacidafa, white, on ex- 

 panding change to pink. 



Sap)onaria officinalis, frequently ex}>ands white, after- 

 wards changes to pink and fades finally to purple. 



Polygonum aviculare, the green se})als have a white bor- 

 der changing to pink. 



Arctium Lappa^ burdock, not infrequently t)i)ens white 

 and changes to rose-pur[)le. 



Gaillardia, central florets green, tipped with purple- 

 brown approaching crimson on the outer row. The 

 rays also tubular, though much elongated and with 

 modified lobes, are greatly changed in color from the 

 central florets, as the tubes are dull scarlet and the 

 lobes bright yellow ! This is a good example of 



