(U 



Example 5. — The widely .scattered dot« on LUium aura- 

 luiH were not accounted for by the writer until a huuiniing- 

 hird moth was seen to hover over the flower, and suck in 

 succession the nectar from each red, glandular vesicle ! 



Plxample 6. — TrUlium eri/throcarpum, painted trillium, is 

 a beautiful white flower, painted with a crimson eye with 

 fine radiating lines. The eye is also of the nature of a 

 honey guide. It is the remnant of a former crimson flower 

 and preserved to us by the insects ! 



Example 7. — Viola trirohn-. A yellow pansy has three 

 dark maroon or brown-purple sjjots ; the two ui)per smaller, 

 the lower large and two lobed. A violet pansy has only a 

 very small yellow eye at the centre. 



The ordinary yellow variety with the maroon si)ots was 

 undoubtedly derived from the violet variety. 



Example 8. — Eschscholtzia lias an orange, self color, but 

 its lemon yellow variety has four orange spots correspond- 

 ing to those on oriental poppy. The lemon yellow is a 

 recent color, the flower retaining the orange markings of 

 the original. 



P^xample 5). — Gloxinia, Digitalis and Catalpa : The orig- 

 inal purple or crimson fades to white on the outside of the 



