Aconitum Napellus. p. 21. 



Longitudinal section through the flower of 

 RanuHculus acris, showing the hypogynoue 

 calyx, corolla, and stamens, p. 20. 



Monkshood, Aconitum Napellus', I. part of plant (natural size); II. floral diagram; 

 III. flower (magnified), the coloured calyx having been remosed, showing the two 

 petals a developed into nectaries, the remaining petals being reduced to scales or 

 altogether abortive, p. 21. 



[Between pp. 20 and 71 



