ON 



ANNUALS 



AND BIENNIALS. 



249 



racemes, and are, at first, of a scarlet shade, afterwards changing 

 to orange, and then to pale yellow. They appear about June. 

 The seed should be sown in February or March in a warm 

 house, and the seedlings potted off singly into small pots, ready 

 for planting outside as soon as the w^eather is favourable 



Nemesia strumosa Suttoni (Fig. 138) is a comparatively new 

 half-hardy annual from South Africa. It grows about ift. high, 

 and produces nume- 

 rousflow^ersof 

 various shades 

 colour from white 

 crimson. It com 

 mences to flower 

 June or July, an 

 continues until 

 late in the 

 autumn. The 

 seed should be 

 sown in March, 

 and the seed- 

 lings planted 

 out about May. 



Nicotian as 

 (Tobacco 

 Plants) are vig- 

 orous, orna- 

 mental-foliaged 

 plants, suitable 

 for sub-tropical 

 gardening. 

 They grow 

 rapidly in rich, 

 deep soils, in 

 sheltered and 

 somewhat 

 moist situa- 

 tions. Theseed 

 should be sown 

 in February in 

 a warm house, 

 and the seed- 

 lings pricked 

 o ff , potted 



when thev re- Fig. 139. — Nicotiana wigandioides. 



quire it, and 



finally transplanted into the open ground early in June. Nicotiana 

 affinis^ 3ft. high, is a valuable pot- and border-plant ; it has 



