Ii6 FREAKS OF PLANT LIFE. 



examined.^ The thimble - shaped pitchers are sur- 

 mounted by a hd, which is elevated, so that the- 

 entrance to the pitchers is open and free. We arc- 

 not concerned with the external structure, which is 

 fully detailed in the memoir by Professor Dickson. 



The mouth of the pitcher 

 is furnished with a cor- 

 rugated rim which ends 

 abruptly on the inner mar- 

 gin in a row of inflexed 

 teeth, extending along the 

 front of the orifice to the 

 base of the lid (see section, 

 fig. 15). Below the rim is 

 a ledge extending round 

 the inside of the pitcher, 



with its acute edge pro- 

 /v^'. 15.- Section of pitcher of ... ... 



CcpJialotits. jectmgdownwards mto the 



cavity, forming a kind of 

 contracted neck. This is called the conducting-shelf 

 Below this, again, the upper two-thirds of the walls 

 are smooth and glandular. At the lower margin of 

 this smooth surface an oblique curved elevation 



' By Professor Dickson in the " Journal of Botany," for 

 January, 1878, vol. vii., p. i. Confirmed by Mr. W. H. Gilburt 

 in "Journal of Ouekett Microscopical Club," November, 1880, 

 vol. vi., p. 159; and by Dr. Lawson Tait in "Midland 



Naturalist."' 



