4 86 



THE BOOK OF GARDENING. 



being slightly covered with finer soil. Plants raised from seeds 

 sown in heat are less vigorous in growth than those raised under 

 the cool treatment. The variegated forms may be grafted in 

 spring on their respective types, and placed in close cases. The 

 Larch is sometimes used as a stock, to which the Cedars readily 



FlG. 311.— CKPHAI.OTAXrs I'EDrNCn.ATA famigiaia. 



unite, and although growth is rapid in a young state' it has been 

 proved that plants worked on the Larch are shorter lived than 

 those on the Cedar stocks. 



Cephalotaxus. — A small genus, indigenous to China and 

 Japan, and useful for the park and garden. They thrive in 



