282 



Transactions. 



Fig. 7. — Euphrasia Monroi. Transverse section of leaf (x 175). a, stoma; 



b, upper epidermis ; c, mesophyll ; d, vascular bundle ; e, cell of groove. 

 Fig. 8. — Euphrasia Monroi. Transverse section of upper epidermis just above 



the midrib, a, excretory hair. 

 Fig. 9. — Euphrasia Monroi. Surface view of upper epidermis above midrib. 



a, water- absorbing cell ; b, stoma ; c, excretory hair. 



