ERICACE^ 45 



flowers few, purple, on long stalks, leaves linear, crowded, 

 rigid, with reflexed margins; Pyrenees, Carniola. 



5. LoiSELEURiA, Desv. 



Stem shrubby, rigid, branching; flowers terminal; 

 sepals, corolla-lobes, and stamens 5 each ; leaves small, 

 entire, opposite, with revolute margins. Alpine. 



L. procumbens, Desv. (Azalea procumb ens, L.); flowers 

 small, in clusters of 2-4, pink, leaves oval; high; Alps, 

 Carpathians, Pyrenees. 



6. Rhododendron, L. 



Flowers large, handsome, usually red ; sepals and 

 corolla-lobes 5 each; stamens 10; leaves alternate, often 

 large. European species alpine. 



Two species of Alpine Rose are common in Switzerland, 

 and appear to replace our Heaths : — R. ferrugineum, L. 

 (Fig. 62>) ; flowers pendant, in terminal umbels, calyx- 

 lobes broader than long, leaves glabrous, glandular-viscid 

 and rusty brown beneath. R. hirsutum, L. ; flowers 

 pendant, in terminal umbels, calyx-lobes longer than 

 broad, leaves ciliate, green on the under-side ; both fairly 

 common at high elevations. Also R. Chamcecistus ^ L. 

 (Fig. 6j') ; flowers solitary or few, erect, pale pink, leaves 

 crowded ; high ; Tirol, Lombardy, Carniola, Carpathians. 



7. Arctostaphylos, Adans. 



Flowers in terminal racemes, white or pale red ; sepals 

 5 ; corolla globose, with five reflexed teeth ; stamens 10, 

 anthers awned; fruit a drupe, with 5-10 stones. Alpine. 



