108 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



specimens he discovered at an altitude of 10,000 feet in the Caucasus 

 were the last existing plants, but through Herr Max Leichtlin's exertions 

 it is now pretty well distributed. Habit branching ; foliage shining ; 

 flowers blue. It must be propagated by seeds. (Fig. 26.) 



The Alpine Campanulas. 

 A BIETINA. — Cushions of delicate green, flowers rising eight inches on 



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naked stems, almost solitary, of a soft grey blue. This species requires 

 frequent division, or else it will be lost. I have found it somewhat shy 

 flowering. (Fig. 27.) 



ALLIONIL — Large solitary erect blue bells, practically resting on 

 the cushions of green. This rare species grows freely in moist well- 



