LLOYD. 



PLATE 7. 



Stomataof Verbena ciliata (fixed in absolute alcohol, stained with Congo red.and mounted in balsam). 



Fig. 1, at 4 a. m. Fig. 2, at 6h20m a. m. Fig. 3, at 9 h 30 m a. m. 



Fig. 4, at 2h30m p. m. Fig. 5, at 5^0 m p. m. 



