Trans. N.Z. Inst., Vol. XLIX. 



Plate II. 



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[('. A'. Foireroker, photo. 



Fig. 1. — Transition terrace, grade 2, with mats and cushions of Raoulia tenuicaulii 

 and R. lutescens, prostrate Discaria toumatou, tussocks of Festuca 

 novae-zealandiae, and towards the centre a cushion (black) of Raoulia 

 Haastii. 







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[C. A\ Foivemker, photo. 



Fig. 2. — Edge of old terrace covered with tussocks of Festuca novae-zealandiae, 

 looking north from river-bed. Slopes with low tussock grassland in 

 background. 



