220 ON DESTROYING THE RED SPIDER. 



pregnated with the best Bourbon or Perpetual kinds, in order to 

 obtain some fine hardy autumnal Roses. 



Avrshires and Sempervirens. — Ruga, Leopoldine d'Orleans 

 and Splendens were impregnated with the darkest flowers of others. 



Brier Roses. — Harrisonii, and Double Yellow. 



Moss. — Eclatante, Single Crimson, and Du Luxembourg. 



Bourbons. — Dubourg, Gloire de Rosamenes, Bouquet de Flore, 

 Augustine Lelieur, De Lisle, and Emile Courtier. 



Chinas. — Henri Cinque, Alba, Camellia Blanc, Therese Stravius, 

 Belle Elvire, Madame Bureau. 



Tea-scented. — Jaune, Lyonnais, Caroline, Bardon, Goubault, 

 Belle Allemande, Lady Granville. 



Gallicas. — Of this class numerous. 



ARTICLE VI. 



ON DESTROYING THE RED SPIDER. 



BY A FOREMAN OF A LONDON NURSERY'. 



I have been in the situation I now hold for the last ten years, 

 and previously in the garden of a nobleman for seven ; in both places 

 I have had the care of fruit and plant houses, and, as a matter of 

 course, I have had to contend with the Red Spider. Twelve years 

 back I had a number of Vines, hothouse as well as greenhouse plants, 

 attacked most ravenously by these detestable little scoundrels; I was 

 advised to procure some common sulphur, using a quarter of a pound 

 to a house of about eight or ten yards long. The mode of application 

 was as follows : the sulphur being put into a large bowl, a large 

 painter's dusting-brush was dipped in water, and after rolling it 

 round in the sulphur, I laid it over, like painting, the hot water pipes 

 and fire-flues, putting the least proportion where the pipes or flues 

 were hottest. I chose a dull day for the purpose, and kept the house 

 close all day, unless the sun broke out, when a small ventilation was 

 given in order to allow the strong fumes to escape. This plan suc- 

 ceeded to expectation, and a repetition of this practice three times 

 each year has kept my plants entirely free. 



It is a custom with me to have each plant-house white-washed 

 early every spring; and with three houses I mixed the sulphur, 



