80 



BuNzo Hayata 



11. Hokkaido, together with the Kurile Islands ( 41°30'-51°K 

 Lat., 139°-157°E.Long.). 



The flora of these regions contains witiiout doubt many northern 

 elements. Deciduous broad-leaved species jn-eponderate over the conifers, 

 so far as the furest-flora is concerned. In the lowlands, the herbaceous 

 plants most abundantly found are :- 



Polygonwn aispi datum, S- et Z. Angelica tirsina MaxiM- 



Spiraea spp. A. anomala Lall. 



HeincrocalUs spp. Cacalia hasfata LiNX. Tar. pubescens Ledeb. 



Petasit.'s paliuatuiii A. GkAY. 



all attaining a very large size. Coniferous forests are everywhere met 

 with. They are mainly composed of :- 



Taxus cuspidaia Sieb. et Zucc. Picea jezoensis Caer. 



Thiijopsis dolabrata SlEB. et Zucc. Picea Glelmi Mast. 



Pimis paroiflora SlEB. et Zucc. Abies sachalinesis MasT. 



Piinis ptimila Kegel Laiix dahiirica TuKCZ. 



Deciduous forests also cover a vast area. They are mainly composed 

 of:- 



Bctnla Ei-manni Cham. et ScHL- 



Querats dentata Thtjnb. 



Q. ci'ispida BlTJME. 



Q. serrata ThtjNB. 



Pagus Sieboldi Endl. 



Salix lepidostacliys Seem. 



S. repens LiNN. 



S. arctica Pall- 



S. Sieboldiana Bl- 



Tar- Buergeriana KoiDZ. 

 S. eriocarpa. Fr- et Sav. 

 6". Caprea LlNN- 

 S. cyclophylla DC. 



S. daphnoides ViLL. Tar- villosa Wesm. 

 Populus treimda L. Tar. villosa Wesm. 

 Populits balsamifera LlU'N. 



Tar- suaveokiis LOUD- 

 Jnglans Sieboldiana Maxim. 

 Pterocajya rhoiplia SiKB. et Zucc. 

 Ostrya italica ScoP. 



Tar. virginiana WiNKL- 



Alniis viridis DC. 

 Betula Maximoiuicdana 

 Cajpinus cordata Blume.' 

 Uliniis campsstris LiNN- 



Tar. vulgaris Planch- 

 U. montana Sm- Tar. laciniata TrAUTV. 

 Magnolia obovata ThUNB. 

 Lindera uinbellata Thunb- 

 Pruniis Grayana Maxim. 

 P. Maxinio'iuiczii EupR. 

 P. Ssiori Fr. Schm. 

 Sorbns coinmiAta Hedlund. 

 S. sambucifoUa EoEM- 

 Acer japonicuin Thunb. 

 A. pictiim Thunb. 

 A. Miyabei Maxim- 

 A. spicaimn Lam. 

 Phellodendron anntrense RuPE. 

 Picrasma qnissioides Benn. 

 Tilia Maxiinoiuicziana Shiras. 



Cercidipkylluin japonicnm SlEB. et Zucc. 



Climbing plants are abundant. They are :- 



ScJiizophragma hydrangeoidis SlEB- Vitis Ccignetiae PuLLIAT- 



et Zucc. Rims Toxicodendron LlNN- 

 Jlydrangea petiolaris SlEB. et Zucc Tar. coidi folia Maxim- 



