SCHISTOSTEGA 08MUNDACEA MOHR. 



363^ 



places in East Devon where this moss occurs is in a large and 

 disused rabbit-burrow, near Sidmouth, which also faces north- 

 east. The most striking instance of the heliotropic adjustment 

 of this plant with which I met was in the neighbourhood of 

 Lydford on the western fringe of the moor, and as it is very" 

 illustrative of the habitat of this markedly heliophobic plant it 

 will perhaps be of interest if it is described somewhat fully. On 

 the north-western slope of Great Links Tor is an old stone hut- 



BED0F5CH1ST0STEGA. 



■"^^.-S^i^^j^iiuJi'^ rj .**■ 



6^ 





THE SHEPHEKD*^ HUT. 



Scale 1 -.30. 



called locally " The Shepherd's Hut," and of which a diagram is- 

 given (fig. 1 in text). It has been formed by hollowing out the- 

 ground underneath a huge block of granite which forms the roof ; 

 the walls are formed partly by the earth where it has been cut 

 away and partly by blocks of granite built up to support the over- 

 hanging slab. An opening of about three feet square on the north- 

 west side gives entrance to the hut or cave, which is more or les^ 

 circular, with a diameter of about six feet and a present height 



