COMPARATIVE ANATOMY OF THE ('UCURP.ITACE^.. 23 



Melothria japonica 0.1 tin m . 



Cucurbita Pepo 0.13 ,, 



Schizopepon hryonkefolius, var. 



japonicus 0.12 „ 



PallisfuJe rareuehf/mf(. The thickness of tlie pallisade 

 parenchyma is not uniform in all individuals. The results of 

 microscopical measurements of it are given in the following table: 

 Luffa acutangida 120 mm. 



X. cylindrica 0.095 ,, 



Gucurhila Pepo 0.085 ,, 



Cucumis Melo 0.075 ,, 



Benincasa cerifcra 0.070 ,, 



Cucumis sativus 0.070 ,, 



Lagenaria vulgaris 0.063 ,, 



Melothria japonica. 0.0G2 ,, 



Jlomordica Charantia 0.0G2 ,, 



Ciirullus vulgaris 0.060 „ 



Trichosanthes cucumcroides 0.055 ,, 



Ggmuostemma cissoides 0.055 ,, 



TricJiosanthes japonica 0.052 ,, 



T. mvUiloha 0.050 „ 



Actinostemma racemosum 0.050 ,, 



Schizopepon bryonicefolius, var. 



japonicus 0.050 ,, 



The pallisade cells mostly occupy three- or four-tenths of the 

 thickness of the blades, and sometimes even exceed six-tenths 

 in Cucurbita Pepo, where the pallisade cells are at times arranged 

 in double rows. The following will show these j'elations more 

 clearly : 



