ALPINE FLOWERS 195 
as leading to urgent advertisement by means of 
brilliant coloration; while the fact that the pollinating 
insects are largely Butterflies, the most zsthetic of 
flower visitors, has also been put forward as account- 
ing for it. Be that as it may, the glowing patches of 
colour produced by many quite minute alpine plants 
«y . PY 
: 
‘ ean ahi SEL Ho 
_nonmtpisony eae Ea as 
aye eh RA Re A oe 
ae 
ent 
Fic, 35.—MounrTain AvENS (DRYAS OCTOPETALA). j. 
are among the most delightful things in nature. Our 
own flora contains but few of the more striking of 
these jewels; but where will one find a more delightful 
sight than a well-flowered patch of Spring Gentian 
(G. verna) or Mountain Avens (Dryas octopetala) or 
Purple Saxifrage (S. oppositifolia) ? 
