graves: a botanical trip to north wales 169 



roseum (L.) Scop., the roseroot, with its thick, odorous rootstocks, 

 may nod alluringly from some rocky cleft. If he is fortunate, the 

 climber may also find himself on a rocky shelf, where perhaps the 

 brilliant yellow English cowslip. Primula veris L. and the red 

 campion, Lychnis dioica L. await him with a blaze of glorious color. 

 He may find intermingled with them also, plants of the handsome 

 yellow globe-flower, Trollius europaeus L. These last three, how- 



FiG. 2. View of Snowdon (the further sharp peak), and part of the Snowdon 

 range, showing the rugged character of the country. 



ever, are not exclusively mountain species like the former. Thalic- 

 trum alpinum L., the mountain meadow rue, and the little white 

 Arenaria verna L., the vernal sandwort, are apt to occur nearby 

 in the grass of the high mountain meadows. 



One large boulder, impregnated with a fair proportion of cal- 

 careous rock, deserves especial notice for the richness of plant 

 species it supported, and it was the more striking when compared 

 with the poverty of the greenstones and felstones in the immediate 

 neighborhood. On this rock, which we explored carefully, were 

 found Solidago Virgaurea L., the only goldenrod of which Britain 

 can boast (many of our species are cultivated in their gardens), 



