Fig. 115. — Tangled Willow scrub in the low-arctic belt of the Northwest Ter- 

 ritories, Canada. The scrub occupies a slight depression whose depth is indicated 

 by a spade resting on the ground (in centre). 



Fig. 116. — Patch} ^iiul' <<\ Glaucous Willdw (Sa/i.x :^l(iu((i s.l.i ami ^cruh iinLh 



(Betiila glandidosa agg.), up to nearly 2 metres high, in southwestern Greenland. 



The scrub is interrupted by grassy tracts of fair turf which appear to result from 



ancient pasturing {see page 222). 



