THE ROGKFOIL OR SAXIFRAGE 171 



considered among the choicest of all Saxifrages. They 

 are found on the Maritime Alps, and both are beautiful 

 plants. S. lingulata has somewhat loose rosettes of long, 

 narrow, silvery leaves and pani- 

 cles of white flowers. The variety 

 lantoscana is more compact in 

 habit of growth, with the flowers 

 crowded mostly on the upper side 

 of the arching inflorescence. Both 

 grow well in sunny situations, 

 planted firmly in soil that con- 

 tains plenty of broken limestone. 

 5. longijolia. This Pyrenean 

 plant is probably the most strik- 

 ing member of the Encrusted 

 Saxifrages, either as a large, 

 silver-edged rosette of leaves, or 

 when it has lengthened out into 

 its handsome pyramid of white 

 flowers. It is finely shown in 

 one of the coloured illustrations. 

 Confined entirely to the Pyrenees 

 it grows in the crevices of 

 perpendicular rocks, sending out 

 horizontally its beautiful cone- 

 shaped flower panicle two feet Saxifraga lingulata. 



or more in length. The rosettes often take several years 

 before they attain flowering size, and having flowered 

 they die. Side shoots are seldom if ever produced, so 



