Ashworth, Tubers of Anthoceros tuberosus. 



Explanation of Figures in Plate 2. 



Fig. i. Longitudinal section of the tuber (with its 

 stalk) of Anthoceros tuberosus, x 100. 



Fig. 2. Three cells from the internal portion of the 

 tuber, x 1,000. In the two upper cells the proteid granules 

 are shown, and in the lower one the oil-drops. 



C. Cork cells. 



G. Proteid Granules. 



H. Hairs. 

 N. Nucleus. 

 O. Oil-drops. 

 P. Protoplasm. 



