250 REPORT ON THE 



FlO. 23.— PRIMULA VULGARIS. 



a, Shows the radicle tapering downwards, the cylindrical caulicle above the radicle and 

 supporting the two cotyledons, between which is seen the first leaf with its 

 revolute edges ; b, Further stage of the same ; the line by the side indicates the 

 real size; c, Stage still further advanced; roots are being given off from the 

 base of the plumule. 



