AMERICAN INSTITUTE, ' 309 



fownd. by repeated trials, to stop all smoke. There are small tubes about one^ 

 sixteenth of an inch in diameter in the top of the fire box, through which 

 air and steam are forced by the apparatus on to the top of the fire, and 

 destroys all smoke, and saves cost of fuel. 



We mention this to farmers as a matter of interest to them here, as well 

 as in England ; and as a matter interesting to all people near steam engines 

 in towns and cities—who sufi"er from the sufibcating blackening smoke 

 from their chimnies, ail of which by the new process, can be consumed as 

 well as in the locomotives. 



The buildiugs of the cities of steam engines, have become blackened ; 

 everything is affected by tbe smoke nuisance, 



THE NEW ZEALAND FLAX, — Phormturti tenax. 

 The colonial government offer premiums for rendering this staple useful, 

 £4000 sterling ($20,000), for a method of making it available for export 

 as a fibre for merchandize. Let one of our American inventors do it. 



SC^LPHATE OF IRON, COMMONLY CALLED COPPERAS. 



Mons, Bubreuil, of France-, a horticulturist, says that he watered melons 

 and fruit trees with a iveak solution of it, and obtained much larger fruit. 

 Using it when the fruit first set, in June, aad every fortnight, always in 

 .the evening. For the first three waterings, he dissolves twenty-six grains 

 of copperas to one quart of water. For the last two waterings, thirty-five 

 grains to a quart of water. His Easter Beurres grew very iai-ge. 



The bottoms of flower pots should always have broken potheads and rub- 

 bly cbarcoal two inches deep, and the little pebbles or stones should not be 

 sifted out of the earth. Drainage is so important in and out of pots. 

 And so is air. The earth-worms render important service by making their 

 ■numerous air galleries. We found benefit to the plants by running stotit 

 needl-es deep into the earth near plants. 



Some put a flower into a largel- one and stuff the space between them 

 with moss for 'better winter keep. 



DELAWARE GRAPE, 



Samuel Miller, of Calmdale Penn,, an excellent vineyardist, declares 

 the Delaware grape to be " the head and front of all American grapes, as 

 to quality, bunch and produetiveness ; hardy ; no mildew ; no rot ; Con- 

 cord grape also." I would stop but very little, in offering a premium of 

 'One hundred dollars for one as good, 



ORANGE THEE OF THE AZORES, 



A tree has produced in a season, 20,000 merchantable oranges, 



AN INSECT THAT DESTROYS CATERPILLARS, 



The Diadema of Fabricius — the Raptoria of Say — Sinea multispinosa^ 

 •«f De Gcer — may be kept in our trees as a destroyer of caterpillars. 



