404 CALENDAR — APRIL. 



with linings and additions of new tan. In forcing- 

 houses, from the variable state . of the weather, con- 

 siderable vigilance is required in giving air. Keep down 

 red spider (acarus), in the more advanced houses, by fre- 

 quent syringings. Continue" the usual operations of dis- 

 budding and thinning of fruit, and take care to keep up 

 the proper temperature. As the weather may now be 

 expected to be mild, those who have only a single vinery, 

 melon, or cucumber frame, will find the beginning or 

 middle of this month a proper season to commence 

 forcing with the best chance of success. 



(jfreen-house, ^c. — Little artificial heat will be m- 

 quired except in frosty weather. An abundaijt supply 

 of air and moisture is now necessary. - The gla&s should 

 be kept off the alpine frames, except in frosty nights. 

 Attend to the protection of stage auriculas from frost, 

 as the flower-buds are easily injured. Sow all sorts of 

 tender annuals. Proceed with 'all necessary shif tings 

 in the green-house and stove. Remove camellias, when 

 the flowers are over, to the stove or forcing-houses, -as 

 they require heat to make them form healthy shoots and 

 flower-buds for next season. Propagate Chinese chry- 

 santhemums by dividing the roots, and all sorts of rare 

 and fine plants, by cuttings or. by grafting. Pot off 

 tender annuals and cuttings of half-hardy green-house 

 plants, which were put in to strike in the autumn or in 

 February, for the use of the flower-borders. 



Flower Garden and Shruhhery. — Saw main o-r succes- 

 sion crops of annuals of all sorts ; half-hardy annuals 

 in warm borders, or- on slight hotbeds. Biennials and 

 perennials should be sown before the middleof the month. 

 Plant Tigridia pavonia and fine stalks. . Finish • the 

 transplanting of herbaceous perennials by the end of the 



