112 VEGETABLE GARDENING. 



removed and used to fill up vacancies or be trans- 

 planted elsewhere between the rows of peas, etc. 

 Hoe frequently, and water heavily in dry weather. 



Varieties : Quarantain, and Early Dwarf for raising 

 under glass. 



Jerusalem Artichoke. 



Botanical Name : Helianthus tub&rosus. 

 Natural Order : Composite. 



This plant is a native of America, and is believed 

 to have been introduced into Europe in 1617. The 

 tubers form an excellent winter vegetable, and are 

 very nutritious. A medium soil suits it best, and in 

 winter the ground should be deeply dug and receive 

 a moderate dressing only of farmyard manure, sup- 

 plemented by an application of phosphates and pot- 

 ash. Plant medium-sized tubers in March, 30 inches 

 between the rows and 14 inches between the sets, in 

 drills 5 inches deep. Earth up very slightly when 

 the plants are 7 inches high, and otherwise the 

 cultivation is the same as for main-crop potatoes. 

 Dig as required for use the following winter, or lift 

 and store Hke potatoes or beet. 



There are two sorts, the White and the Purple. 



Kohl-Rabi. 



Botanical Name : Brassica oleracea, Caulo-rapa. 

 Natural Order : Cruciferce. 



The origin of this plant is uncertain. It has been 

 derived from the wild cabbage and is intermediate 

 between a cabbage and a turnip, being grown for 



