240 REPORT ON THE 



It is quite clear that the seed in Centunculus was not buried deeply, for 

 the caulicle is a minus quantity. It is clear also the soil for such a 

 plant should be light, open, rich, well drained. Contrast this with the 



Fig. 11.— primula kingii, 



Showing radicle, a lateral horizontal rootlet, the caulicle, and two cotyledons, one just 

 disengaging itself from the seed. The line to the left shows the real size. 



germination of Primula reticulata, in which not only is the tigellum very 

 long, but the two cotyledons are also raised on long, erect, or ascending stalks, 



