REFLEX ACTION 31 
consciousness. Among plants we have many interesting and 
admirable examples of organic behaviour; but nowhere so 
much as a hint of that profiting by individual experience 
Fic. 10.—Catasetum; C, diagram of column; a, anther; an, horn; d, ad- 
hesive dise; f, filament of anther; g, ovarium; ped, pedicel; D and 
FE, pollinium ; p, pollen-mass. (From Darwin’s “ Orchids.” ) 
which is the criterion of the effective presence of conscious 
guidance and control. 
V.—REFLEX ACTION 
It is sometimes said that the tentacles of the Sun-dew leaf 
indicate a primitive kind of reflex action in plants, and that 
they afford evidence of discrimination, “It is,” says Romanes, 
