INDEX. 



93 



Trees, American, list of, absent from 



the forests of Japan, 5. 

 Trees, Chinese, cultivated in Japan, 1. 

 Trees, Corean, cultivated in Japan, 1. 

 Trees, Japanese, list of, absent from 



the forests of eastern North Amer- 

 ica, 6. 

 Trees, list of, on hills near Sapporo, 



3. 



Trochodendracefe, 13. 

 Trochodendron aralioides, 15. 

 Tsubaki, 17. 



Tsuga diversifolia, 7, 81. 

 Tsuga diversifolia, northern station of, 



10. 



Tsuga Tsuga, 81. 

 Tsuga Tsuga in American gardens, 



82. 



Tuinion, distribution of, 76. 

 Tumion nuciferuiu, 76. 

 Tuinion micifermn, fruit of, 76. 

 Tumion uucifermn, wood of, 76. 

 Types of vegetation common to the 



floras of eastern North America and 



Japan, 5. 



Ulmus campestris, 57. 



Ulmus parvifolip,, 2. 



Ulmus scabra, laciniata, 17. 



Umbrella Pine, the, 77. 



Undergrowth of the forests of eastern 

 North America and Japan contrast- 

 ed, 7. 



Vacciniiim ciliatuin, 49. 

 Vaccinium in Japan, 49. 

 Vacciniiim Japonicum, 49. 



Vegetation, features of, in eastern 

 North America and Japan com- 

 pared, 4. 



Vegetation of Mount Hakkoda, 10. 



Vegetation, types of, common to the 

 floras of eastern North America and 

 Japan, 5. 



Viburnum furcatum, 48. 



Viburnum Wrightii, 49. 



Vitis Coignetiie, 40. 



Walnuts as food in Japan, 60. 



Walnuts, English, (50. 



Walnut family, the, in Japan, 00. 



White Birch, the, 61. 



Wikstrcemia Japonica, 2. 



Willows, arborescent, abundance of, in 

 Japan, 7. 



Willows in Japan, 70. 



Willow, the Weeping, planted in To- 

 kyo, 70. 



Wistaria in Japan, 7. 



Witcli HaZel family in Japan, 41. 



Xanthoxylum ailanthoides, 21. 

 Xanthoxylum in Japan, 21. 

 Xanthoxylum piperitum, 21. 

 Xanthoxylum piperitum, uses of the 

 fruit in Japan, 21. 



Yezo, forests of, 87. 



Zt-lkova, distribution of, 58. 

 Zelkova Keaki, 57. 

 Zelkova Keaki in Rhode Island, 58. 

 Zelkova Keaki, wood of, 58. 

 Zizyphua vulgaris, 1. 

 Zizyphus vulgaris, cultivated as a fruit- 

 tree iu Japan, 2. 



