240 



TRANSACTIONS AND PROCEEDINGS OF [Sess. i.vr. 



Thus, excluding the anemophilous Thalictrum, every 

 individual flower is visited in my opinion more than once 

 by insects in ten cases, every llowcr is visited at least once 

 in eighteen cases, half the llowers are visited in eight cases, 

 and less than lialf the flowers arc visited in only four cases ! 

 This is certainly suflicient to show that in these species, at 

 any rate, the ftu^ts do not in the least support the theory of 

 Meehan and Schulz. Henslow seems to me to have been 

 a little hasty in taking NaMvrUmn offidnalc (luc. ciL, p. 350), 

 Capsdla JJursa-jyasioria and Sisyvilrnwi Alliaria (T have not 

 studied Lepidium campesire) as typical self-fertilising Cruci- 

 fera*. Nasturtium oficinalc is more visited by insects than 



