40 



and certain varieties at first yellow, excei)ting the eye, 

 change to white and afterwards become crimson, the three 

 distinct colors being seen on the same raceme, viz., yellow 

 at the top. white lower down, and the lowest or oldest 

 flowers crimson ! But in some varieties the crimson shows 

 in the green bud before any yellow color develo})s and the 

 flower becomes wholly crimson. Another strain of Ixias 

 adds red to the yellow, producing scarlet of various tones 

 and certain varieties of the latter change from scarlet to 

 crimson ! and finally with age become a })urple. 



(TOuUlieria procumbens: The calyx is wholly a waxy 

 white, like the cylindrical corolla, but the two minute bract- 

 lets are red I At length the calyx which forms a part of 

 the berry becomes green, and Anally changes to scarlet ! 



Lobelia Cardinalis, to an ordinary observer, is simply a 

 scarlet flower of one hue throughout, but on closer inspec- 

 tion, one finds the petals and filaments scarlet, anthers dull 

 blue or blue-l)lack, tip[)ed with a snow-white fringe, pollen 

 yellow, style greenish ])artly tinged with red, stigma has 

 two crimson lobes surrounded by a fringe of white hairs, 

 and calyx green, more or less stained with dark [)uri)lc. 

 These minutie are best seen by the aid of a magnifying 

 glass. 



Centaurea Cyanus, the corn flower or bachelor's button, 

 is common in gardens. Select a light colored flower, i)ink 

 or white ; the scales of the involucre are green with a Iflack 

 fringe : with a maanif vino- olass find five colors. 



