The RomaJice of a Wayside Weed. 53 



Dozens of like cases may be noted in tlie south- 

 western peninsula of England and the similarly situ- 

 ated corner of Wales about Pembrokeshire. Thus, to 

 lump a long list briefly, the common blue monkshood 

 is found wild in South Wales and the Cornish district 

 only ; the yellow draba is confined to old walls about 

 Pennard Castle, near Swansea ; the spotted rock- 

 cistus occurs only in the Channel Islands and at 

 Holyhead ; the white rock-cistus is peculiar in Britain 

 to Brent Downs in Somerset, together with Torquay 

 and Babbicombe in Devon ; the Cheddar pink, a 

 volcanic plant of southern Europe, clings to the 

 crannies of the Cheddar cliffs near Wells, and to no 

 other crag in England ; the soapwort is wild only in 

 Cornwall and Devon ; the flax-leaved St. John's wort 

 grows nowhere but at Cape Cornwall and on the 

 banks of the Teign ; the crimson clover and Boccone's 

 clover are entirely restricted to the peninsula of the 

 Lizard ; so also is the upright clover, save that it is 

 likewise found in the Channel Islands ; the sand bird's 

 foot remains only at Scilly ; the Bithynian vetch ex- 

 tends through Europe as far north as Bordeaux, and 

 then disappears again till after a sudden leap it is 

 gathered once more in Devon and Cornwall ; the 

 white sedum occurs in the Malvern Hills and in 

 Somersetshire ; and the narrow buplever flowers only 



