718 THE BOOK OF GARDENING. 



in warmth in late autumn, and grow warm during winter. The 

 shape of the blossoms, especially of the fringed varieties, is 

 exquisite, and the varia- 

 tion of colour very bril- 

 liant and beautiful. Height 

 i|ft. to 2 ft. 



Picotees. — See Carna- 

 tions and Picotees. 



Primulas. — There are 

 many species of these 

 beautiful plants suitable 

 for the greenhouse, the 

 single • and double forms 

 of P. sinensis (Fig. 466) 

 being most grown. The 

 singles can be raised 

 •from seed sown in spring 

 for winter, and in autumn 

 for spring blossoming. 

 Sow in the warm pit and 

 grow the latter in the 



Fig. 465. — Double Garden Petunia. 



same, but 



should be grown in a frame during 



Fig. 466. — Primula sinensis. 



and give weak liquid manure once 

 summer. Double Primulas are very 



those for winter-flowering 

 summer. The doubles are 

 best propa - 

 gated by using 

 cocoa-nut fibre 

 and sand mixed 

 in equal quan- 

 t i t i e s, and 

 banking up 

 round the old 

 plants in March 

 or April, when 

 they are going 

 off blossom. 

 By that time 

 several crowns 

 will have been 

 formed, which 

 will root into 

 the mixture. 

 Grow in loam, 

 peat, and sand 

 inthe warm pit. 

 Be careful not 

 to over water, 

 or twice a week during 

 liable to damp off during 



