GENERAL ASPECTS OP THE FLORA OP JAPAN. 



81 



Actviidia argiUa PlAXCH- Schizandra nigra Maxim. 



Akebia lobata Decne- Schizandra c/iinensis Baill- 



Parthenocisstts tric2ispidata PlaxCH- 



Dwarf "bamboo formations mainly consisting of Sasa horealis Mak. et 

 Shib. and S. paniculata Mak. et Shib. are very frequently met with. 

 The most remarkable feature of the flora of Hokkaido is the 

 inclusion in it of elements characteristic of much warmer regions. 

 Species belonging to this group are as follows :- 



List of elements characteristic of warmer regions, 

 found in Hokkaido. 



Polypodiaceas 



Coniogramme fraxinea (Don) Diels 



Lycopodiaceo3 

 Lycopodium cernuum L. Near the liot spring of Noboribetsu. 



Graminea3 

 Pennisetum japonicum Thin. 

 Aracef« 

 PinelUa tuherifera Tenore. 



Liliaceas 

 Smilax China Ltnn. 

 Disporvm sessile Dox. 



Orchidacea^ 



Aretlmsa japonica A Gray. 

 CaJantlie discolor Lindl. 

 Cremastra apperidiculata Mak. 

 Pogonia japonica Eeichb. f. 



Chloranthacete 



Chlorantluts japonicvs Sieb. 

 Ch. serrahcs Eoem. 



Urticacea? 



Beohmeria hilolm Wedd. 



Cercidi [)hyllacea3 

 CercidiphyUum japonicum Sieb. et Zucc. 



Lardizabalacea3 

 ATceMa lohata Decne. 



