From the leaf-axils of the rosette, thread-like runners 

 (Fig. 10) are given off which may attain a length of 15 cm. and 

 consist only of a single internode ; they terminate in a rosette 



e 3 



5 ^ 



which is more or less spherical because its leaves are curved 

 upwards and inwards and are closely imbricated. The young 

 rosettes are fixed in the soil by means of adventitious roots, 



