GLOSSARY 365 



Land Plaster: 



Is a sulphate of calcium compound and its tendency is to make a soil 

 sour. It should not be considered as a means of correcting soil acidity. 



Larva: 



The immature wingless, worm-like form in which insects (which undergo 

 metamorphosis') have their first stage or stages before acquiring wings. 



Leaching: 



In soils; the loss, through solution in drainage water, of lime or plant 

 food. 



Leader: 



The terminal leaf bud which will often form the main stalk of the 

 plant; not only this bud, but also the previous year's growth is in- 

 cluded by the term. 



Leaf Curl: 



In peaches is a condition caused by too rapid cell multiplication in re- 

 sponse to the stimulus caused by a parasitic fungus. In snowball 

 bushes the stimulus is caused by aphids. 



Leaf Mould: 



Decayed leaves combined with other organic matter found on a forest 

 floor. 



Leggy: 



A term used to describe a plant (usually a shrub) on which old growth 

 has developed in such a manner that the mass of fine branches and foli- 

 age is on the top part of the plant, and the lower part shows a few 

 bare stems. Usually the result of overcrowding plants or of incorrect 

 pruning (See Plate V). 



Lime, or Limestone : 



A stone containing the element calcium which will unite with oxy- 

 gen and carbon dioxide to form calcium carbonate or "lime," as used 

 on the land. 



Line-out: 



As applied to planting work usually means the operation of planting 

 small nursery stock in definite rows where such stock can make a 

 further normal growth and be easily maintained. 



