174 



Fr. J. Mathiesen. 



or slightly protruding; they are surrounded by 4 to 6 cells, 

 most often 5. Børgesen states that the number of stomates 

 is nearly equal on the upper and lower surfaces of the leaf, 

 but such is not the case in the specimens of Pr. egaliksensis 



Fig. 4. Primula egaliksensis. 



a, The epidermis from the upper surface of the leaf, b, The epidermis from the^lower surface 



of the leaf, (a and b, Obj. 4, Oc. 4). c, Transverse section of the leaf; on the lower surface 



a glandular hair: (Obj. 4, Oc. 6). (Igaliko.) 



examined by me where the number of stomates was always 

 greater on the lower surface. 



The mesophyll (tig. 4, c) has a very lacunar structure, 

 and palisade cells are scarcely distinguishable, though the 



