290 VEGETABLE SUBSTANCES. 



ever, they become renovated, and in March are fit for 

 drawing to be used as onions. The SCALIEN is ano- 

 ther name given to long-necked onions, which produce 

 leaves abundantly, but do not bulb. 



Tree-onion Allium prolifci-um. 



The TREE, or BULB-BEARJXG Oxio.v JHlium 

 Cepa, var. Vivlparum is a singular variety, which 

 has probably been produced by climate. It runs with 

 a strong stem, about two feet in height, on the top of 

 which the flowers are produced in a manner similar to 

 the rest of the species ; but instead of being succeeded 

 by capsules containing seeds, the germs swell, and 

 towards the end of the season a crop of bulbs is 

 obtained from the top of the stalk, and which, in a 

 natural state, as soon as they drop off and fall to the 

 ground, begin to put out roots and vegetate. This 

 variety is more an object of curiosity than of use, 

 though we learn that in some parts of Wales these 



