Smithsonian Report, 1917. — Hitchcock. 



Plate 6. 



I. Puu Waawaa, a Hill or Old Crater Near the Hualalai Mountains. 



In tho foreground is tho aa (rough) lava of an old flow. In the middle distance is a meadow of Rhodes 



grass ( Chloris gayana). 





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2. Scrubby Forest on aa Lava, Puu Waawaa Ranch. 



Note the exceedingly rough surface of the lava. 



