166 RUAYENZOIU AND ITS SXOWS 



yew. The tree must grow in })laces to .seventy or eighty feet in height. 

 One species of tree-heath begins at 7,000 feet and ascends to 9,000 feet. 

 An enonnous sj)ecies witli slightly larger leaflets replaces it at 9,000 feet. 



CUVEKIXG TKEE-THL'NKS :aT 11,500 FEET 



and ascends to 12,900 feet; Immboos begin at 7,000 feet and ascend to 

 9,000 feet ; proteaceous scrubs begin at 7,500 feet and ascend to 12,000 

 feet. A species of Hifpericum, very like the English St. John's wort, with 

 yellow flowers, begins at 8,000 feet" and ascends to 10,000 feet. At 



