COMPARATIVE ANATOMY OF THE CUCURBITACE^. 19 



united into p;ronps, radiating from a common centre, a.s the surface 

 view of the epidermis will clearly show. Each group of these 

 enlarged epidermal cells consists of two or more cells with the cvs- 

 toliths arranged head to head, as many as eleven of these having 

 been counted. The diameter of a large cystolith is O.Oü.") mm. 



Sfomafa. The number of stomata on tlie upjier and lower 

 surfaces of the blade differs remarkal)ly in each species. The 

 following are the average numbers of stomata found on the U2)])er 

 surface : 



Cucumis saiivus 



a jMo 



Gucurbiia Pepo 

 Benincasa ccrifera 

 CltruUus vulgaris 

 Lagenaria vulgains 

 Lujfa cylitich'ica 

 L. acutangula 

 Trlchosanthes cucumeroides 

 Actinodeniiiia racemosum 

 Meloihria japon'wa 

 Momordica Ch aran tia 

 Trlchosanthes japon lea 

 T. muUlloha. 

 Sehizopepon bryonuefoUvs, var 



japon lens 

 (ri/m ri osieînma clsso ides 

 As can be seen from the above table Jfoinordlca Charanlln 



t Stomata rarely occur. 



