CHAPTER V. 



Changes which take place in the individual flower, prov- 

 ing that THE SEQUENCE OF COLOR IS NOT Uniform. 



Viola ti'k-oloi\ yellow to purple or blue, and purple to 

 yellow. 



^senilis and Catalpa, honey guides yellow, change to 

 rose-purple. 



Pehirf/oniiit7i, scarlet varieties are a))t to be rose-color in 

 bud. 



Aster nmbeUaliis, white ; central florets yellow to pale 

 green. 



Do. corymbosus, white ; central florets yellow to rose- 

 purple. 



Of the large family of Asters, one hundred and fifty spe- 

 cies, more or less, the central florets are usually yellow at 

 flrst, but change regularly by age to some form of purple. 



StrophoMyles anr/ulosa, the green bud expands a clear 

 pink color, changing, except the diminutive tip of 

 the keel, entirely during the day to a creamy yellow 

 or light l)uff in the evening. 



Pliaseolus vulgaris, common garden varieties either wliite 

 or purple and the Lima bean, change color to yellow, 

 especially the wing petals. 



Ilelianthus cncmuifolius, yellow : central florets with yel- 

 low" tube, the lobes only, dark, red maroon, chlorotic 

 chaff among the florets tii)})ed with crimson. 



Cassia nil-titans, yellow ; stamens yellow at base, upper 

 half is crimson, changing to purple and the anthers 

 purple I 



Oleoma, a variety with slender white petals on long pur- 

 })lish claws, filaments purple, the petals have a tend- 

 ency to become a lemon- vellow, 



