322 s. KusANO : transpiration of 



IV. Evergreen Trees of Japan. 



The evergreen trees of Japan are numerous and luxuriant ; 

 most of them being indigenous. Several kinds of Quereus and 

 Lauracese, which form thick woods in southern Japan, are also 

 found in the vicinity of Tokyo, where they attain a considerable 

 height. Pasayiia {Quereus) cuspidata is one of the commonest 

 evergreen trees more than 10 meters in height, and has densely 

 foliate branches. Besides, we have Illicium Anisatum, Michelia 

 compressa (Magnoliaceœ) ; Pittosporum Tobira (Pittosporaceœ) ; 

 Photinia glabra, Erioboirya jaj)onieay Phaj^hiolepis japonica 

 (Rosaceœ) ; some kinds of Citrus, SJcimmia japonica (Kutacece) ; 

 Daphniphyllum macropodum (Euphorbiacea?) ; Ilex latlfolia, I. 

 intégra, I. crenata (Aquifoliacese); Euonymusjap)onica (Celastracese); 

 Tfiea japonica, T. Sasanqua, T. sinensis, Ternstrœmia japonica, 

 Eurya ochnacea, E. japoîiica (TheacCcT) ; Daphne kiusiana 

 (Thymekeaceaî) ; Eatsia japonica, Hedera Helix var. colchica 

 (Araliaceœ) ; Aucuha japonica (Cornacefe) ; Aixlisia japonica 

 (Myrsinaceas) ; Ligustrum japonicum, Osmanthus Aquifolium, 

 0. fragrans (Qleaceœ) ; and so forth. Most of them are shrubs 

 or small trees, and in the vicinity of Tokyo are generally found 

 in a state of cultivation. 



Species of Coniferte are also abundant. Pitins Thunbergii, 

 P. densiflora ; Cryptomeria japonica ; ChanucGyparis obtusa, and 

 Cephalotaxus drupacea have the widest distribution throughout 

 Japan, extending from the southern to the northern parts. Podo- 

 carpus Nageia, P. macrophylla ; Sciadopilys verticillata ; Juniperus 

 7'igida and J. sinensis are commonly found in the southern part ; 

 and Abies fir ma ; Thujopsis dolabrata ; Thuja orientalis ; Torreya 



