ADDENDUM 



CHAPTER XXXIIIa 



EXCURSIONS AND EXAMINATIONS 



While endeavouring to give an account of all matters which 

 occupied or interested me during the latter half of my life, I 

 somewhat hastily concluded my MSS. and sent it to press 

 without any reference to two matters which were of some 

 importance to myself, and one of them of some general 

 interest. These are, the various holiday excursions I took 

 with my father-in-law, Mr. William Mitten, whose deep en- 

 thusiasm for nature and extensive knowledge of plants in 

 general, and mosses in particular, rendered his companionship 

 very congenial to me ; and my work as an Assistant Ex- 

 aminer in Physical Geography and Physiography, which 

 occupied me for three weeks or more every summer, almost 

 continually for twenty-seven years. In order to make this 

 record of my life more complete, I have added a supple- 

 mentary chapter devoted to these two subjects. 



My first excursion with Mr. Mitten was in August, 1867, 

 to North Wales, his first visit to that beautiful district. We 

 stayed a few days at Corwen, and our first walk on Sunday 

 morning was along the road to the west up the valley of the 

 Alwen. In about five miles we reached Pont-y-glyn, where a 

 farm-road crossed a very deep ravine. This we descended 

 and found the bottom full of curious hollows, with vertical 

 rocks damp or dripping, overshadowed by trees and shrubs. 

 Here the yellow Welsh poppy grew luxuriantly, as well as 

 the globe-flowers and the subalpine Rtibus saxatilis. But 

 what delighted Mr. Mitten on this his first walk in Wales 

 was the abundance of mosses and hepaticse, and for a full 



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