Traxs. X.Z. Inst.. Vol. XLVIU. 



Plate XXI. 



[B. C. Aston, phota. 



Fig. 1. — At 1.700 ft. above sea. looking south-east. Foregiound of light and dark scoria, 

 dotted with patches of Piinclea lacvi(/(ita near walking-stick stnck in ground. 

 Scattered shrubbery of J^c/.fo-^periniaii criroidr.-', ('(iriaria rii-<c} folia, and Vcraiiirfi 

 .<fil ill folia var. extending np the easy ccoria .slopes to the steeply inclined unstable 

 slopes below the "mural crown'" of stable lavas. On the highest point of 

 Taravvera may be seen a cap of red scoria. In the distance is the gully separating 

 the range into Ruawahia (left) and Tarawera proper (right). 



fit. C Aslull, photo. 



Fig. 2 



'^ — At 1,500 ft. above sea, the broad valley separating the portion called "north- 

 west face" fi'om that called "northern face," and more northerly to the view 

 in fig. 1 above. Foreground, Miirlilcnherhia axillaris and I'imclra patches with 

 Leptospcninim scopaiiinn var. growing out of them, and scattered plants of 



Oenotlicra : middle distance, scattered Coriaria and Lepfnspcnini m bushes, with 



background en either side of forest showing dead stumps of Mi 1 ro.<iilcr(i.-< rohnsta; 



distance, unstable slopes of steeply inclinecl scoria becoming stabilized by Raoulia 

 and other patch-plants. On the 'extreme left of the picture, skirting the young 



forest, is the track to the sand crater. 



