CAULIFLOWER. 315 



enough for three or four plants of Cauliflower, until they 

 are so far forwarded that the glass can be taken off. 

 When the hand-glass is used, the Cauliflowers may be 

 planted out in any warm border early in March and 

 covered by them. This covering protects them from 

 frosts at night, and gives the necessary increase of tem- 

 perature for growth during the cold weeks of March and 

 April ; so that by the first week in May, if the Cauli- 

 flower has been properly hardened off by ventilating (by 

 tilting up the hand-glasses on one side), they may be 



Fig. 114. HENDERSON'S EARLY SNOWBALL OATJLIFLOWER. 



taken off altogether, and then used to fonvard Tomatoes, 

 Melons, or Cucumbers, at which date these may be 

 started, if under the protection of hand-glasses. If the 

 weather is dry, the Cauliflowers will be much benefited 

 by being thoroughly soaked with water twice or thrice a 

 week ; not a mere sprinkling, which is of no use, but 

 a complete drenching, so that the water will reach to the 

 lowest roots. If the ground is slightly sprinkled around 

 the roots with guano before watering, all the better. 

 The best varieties of Cauliflower we have found as yet are 

 the Early Snowball (figure 114), introduced by me in 



