HorLoway.—Studies in the New Zealand. Hymenophyllaceae. 13 
do the overhanging and irregularly growing large tree-bases of the southern 
rata and the mountain-totara. spite of the heavy annual rainfall the 
floor of the forest is frequently dry, and on one occasion on which the 
writer examined the Bealey Valley forest it was noticeable how remarkably 
rapidly the forest-floor and the trees generally had become dry after two 
158 170 2i /й 
40 
CHRISTCHURCH 
SRS) 
7L 77° 772 
МАР 2.— Rainfall map of South Island of New Zealand. 
or three days of rain and snow, in spite of the fact that there had been no 
wind. In view of this it is not surprising that another prominent character- 
istic of the Westland forests is here absent—namely, the constant clothing 
of the boulders and fallen logs with ferns and liverworts. 
