166 



A NATURALIST ON THE "CHALLENGER. 



leaves forming an even rounded surface at the exterior, being all 

 of the same length. The interior of the masses is full of dead 

 leaves and stems. The whole where growing in abundance 



VIEW IN KERGUELEN'S, NEAR ROYAL SOUND. 



In the foreground, the rounded masses formed by Azorella selago. From a 

 photograph. In the distance, Mt. WjriUe Thomson. 



forms sheets and hummocks which invest the soil sometimes for 

 acres in extent at Kerguelen's Land, with a continuous elastic 



green coating. 



An allied plant, Bolax glebaria, forms similar 



