424 MR. T. H. POTTS ON THE HABITS OF FILICES 



II. DEMISSUM. 



Not very common. On the ground ; sometimes growing with 

 H. polgantJios. 



■ 



This fern, like H. multifidum and H. polyanthos, is much affected 

 by atmospheric changes ; damp weather sets it off to the greatest 

 advantage; under the dry north-wester it becomes crisp and brittle. 



PoLYPODIACEiE 



CrSTOPTERIS. 



C. FRAGILIS. 



This hardy fern grows under the shelter of stones and tus- 

 sock grass on the steep terraces of the Eakaia river. Fronds 

 6 to 8 inches high. 



O 



Adiantum. 



A. AFFINE. 



Eare. On crevices of rocks in the gorge of the river Eakaia. 



H. TENUIFOLIA. 



Htpolepis. 



On damp flats in Fagus forests, or on the outskirts of bust 

 often found freely rooting on decaying stumps of Carex virgata. 



H. MILLEFOLIA. 



On ranges. Most abundant, in some places forming large 

 patches, under shelter of rocks. 



_ Pteris. 



p. aquilina. 



Weak-growing, depauperized ; from 3 inches to 3 feet high. 



P. INCISA. 



In bush or about outskirts ; not plentiful. 



LOMAEIA. 



This large genus is well represented by abundance of plants, 

 vigour of growth, variety of species. 



L. PROCERA. 



Abundant. Several varieties of the larger forms in the bush, 

 on the banks of gullies. The smallest variety affects more open 

 ground, as spurs of hills and moist undulating downs. 



