THE ANNUALS. 
683 
The pipes may be had of Messrs, John Davies, & Sons, or at the 
Birmingham coal company's foundries, Tipton, Staffordshire. All 
the difficulty lays in sending a correct statement of the length of the 
elbows, and the proper quantity of six feet and nine feet pipe wanted. 
You may then put them together yourselves, allowing a fall of half 
an inch in every nine feet of pipe, each pipe to be four inches in di- 
ameter inside, and to be fastened at each joint by four nuts and bolts. 
A nine feet pipe of four inches bore, thickness of metal f, weight 
1 cwt. 1 qr. 101b. at 10s. per cwt. .Elbows 12s. per cwt. Boiler as 
stated before ; nuts and bolts, 4 to the pound, at 5d. Red and white 
lead, canvass, labour, &c. to each joint 7d. The plan of the boiler 
will answer for any number of houses, if it and the fire place be 
made wider and longer, according to the power required. If I have 
not intruded too for, I shall most likely trouble you again with the 
expenses of building pits and houses. James Waldron. 
* We shall be glad to receive the promised favours of our correspondents. 
ARTICLE IV. 
CULTIVATION OF ANNUALS, BY CUTTINGS, 
BY THE AUTHOR OF THE DOMESTIC GARDENER'S MANUAL. C. M. H. S. 
In the fourth article of your ninth number, that for March, page 
397 ; I gave a description of an experiment upon the propagation of 
the balsam, (Impdtiens balsdmina) by cuttings, &c. in the au- 
tumn. I have subsequently found that by a similar mode of opera- 
tion, the plant can be multiplied to an almost unlimited extent in the 
spring. From various, though not accurately noted trials, I am sa- 
tisfied, that many of the best annuals which are universally raised 
from seeds only, can successfully be cultivated by cuttings. A dou- 
ble advantage must result from this mode of cultivation ; for, first 
the trouble and risk attendant on the progress of the young seedlings 
during the dark and humid autumnal and winter months, will be ob- 
viated; and secondly, the periods of flowering will be altered and 
g-reatly extended. One recent instance, I can point out with suffi- 
cient accurac}'. Referring to my diary, I find, under the date Sep- 
tember 21st, 1831, that four cuttings of Coreopsis Tinctorid were 
taken off from an old plant, at the axilljeof the leaves (i. e. the points 
where the leaf-stalks emerge from the stems ;) and placed in pots, in 
