BRITISH HIEKACIA. S3 



Inhabiting woods, tiiciets, bttsAy places, Sfc. 



H. aurmtiacum. — (See above.) 



M. tridentatum. — (See above.) 



S. prenanthoides. — ^Mountain districts of Europe generally : also in 

 Siberia. 



M. strictum. — Mountains of Central and Northern Europe ; but not 



frequent. (Not known in the north, of Scandinavia.) 

 H. umhellatwrn. — (See above.) 



H. erocatum. — ^Northern Europe, especially in the Arctic zone. Lap- 

 land, Eussia and Siberia. Also in Greenland. 



S. rigidum. — Central and Northern Europe. 



M. corymbosum. — South Norway. Lapland. Cancasus. Newfoijnd- 

 land. 



S. loreale. — (See above.) 



LOWER ALPINE REGION. <1500 to 2500 ft. elevation.) 



Occurring on exjposed cliffs or among debris; also on grassy 

 slopes and by the margins of alpine rivulets : rarely reaching 

 3000 feet elevation. 



H. PiheeUa. — (See above.) 



M. nigrescens. — Central Europe (Bohemia. Silesia). Norway. 



H. Unguhtum. — ^Not certainly described by Continental Authors, but 

 probably a native of Northern Europe and Siberia. 



ZT. aeneseens. — ^North of Sweden and Norway (within the Arctic 

 Circle). Siberia. Altaian Mountains, &c. 



jH". chrysrnithwm. — ^Arctic zone of Europe and Asia? 



H. cerinthoides. — (See above.) 



H. iricum. — (See above). 



ff. pallidum. — (See above.) 



