272 



G RE 



houses, the above method of heating 

 will be found quite sufficient. Where 

 very large structures are required to 

 be heated, any additional quantity may 

 be procured by means of hot water- 

 pipes supplied from a boiler placed 

 within the patent stove. The pipes 

 may be conveyed in a different direction 

 from the hot-air flue. The boiler, al- 

 though heated with the stove-furnace, 

 requires no additional fuel." — Gard. 



perty, it by no means forms the only 

 valuable feature in them. Plants can 

 be easily reached and easily removed ; 

 the appearance of the interior is very 

 much improved, and no space is wasted. 

 In a common glass shed, at least one 

 half is useless — that is to say, the whole 

 of that part which is next the back wall. 

 Here, on the contrary, every portion of 

 the interior, except the walks, is ren- 

 dered available. 



" The construction of the roof is 

 excellent. It rises at an angle of 30o, 

 which is exactly that best suited for 

 houses of such a description ; the raft- 

 ers are very light, and of a better form 

 than any we have previously seen. We 

 will not pretend to say why they pro- 

 duce so good an effect; for words will 

 never convey an adequate idea of the 

 cause of the beauty of such objncts. 

 Perhaps it is their lightness; probably 

 it is the two combined. Lightness of 

 appearance has been combined with 

 strength by the addition of an iron rod 

 to the lower edge of the rafter, in the 

 place of a head. 



" In order to strengthen the roof and 

 to provide for the cultivation of climb- 

 ers, all the rafters are connected by 

 means of curved iron rods, which them- 

 selves add much to the beautiful ap- 



Chron. jocivcs auu iiiucu lo me oeauiiiui ap- 



On a larger scale is the green-house I pearance of the interior. This mode 

 at Kew; but as the same principles | "^ combining strength and decoration 

 and arrangements may be adopted on a ; ^'^Y of course be varied, but it will not 



smnllpr si^nlo T irii-o fN^ r^ll^..,; — „.. i hp imnrnvpH 



smaller scale, I give the following ex- 

 tracts from the details, published by 

 Dr. Lindley : — 



" The general arrangement is excel- 

 ent. None of the door-ways are placed 

 in direct continuation of the walls ; but 

 they are either formed immediately op- j hand-pumps. 



of plants, " It must be apparent that such a 



be improved. 



" Another important thing in the ar- 

 rangements is the ample provision for 

 receiving in tanks the rain-water that 

 falls on the roof of the building : this 

 is raised for use by means of small 



posite the principal masses of pi „, 



or obliquely with respect to the walks ; 

 so that the eye necessarily rests upon the 

 foliage as soon as the house is entered. 

 ".Then, again, at the point where the 

 houses join each other, a semicircular 

 stage is thrown forward, by which the 

 disagreeable effect of a long narrow 



house as this is precisely what is most 

 generally wanted by those who build 

 green-houses. If a large space is re- 

 quired, it is easy to lengthen any of 

 the arms; if more variety is desired, 

 another cross house could be readily 

 added to the smaller one. Should it be 



»jio<igi ccaL>ic ciic-ui ui a. long narrow I <i>J"cu tu mc amtiner uiit. kMiouia 11 oe 



■walk, in a small house, is completely too large, as will more frequently be 



removed. the case, the smaller arm may be co- 



"The house is span-roofed, and illus- P'ed or the larger, as the case "may be. 



trates the great advantage of this kind If a stove is wanted instead of a green 



of construction over the wretched lean 

 tos, which were formerly in fashion 

 We need not say that one of the ad 



house, it would only be necessary to 

 inclose the stages, to put hot water 

 troughs into the chamber so obtained, 



• ire uccu iiui s<ij( mill Kiie oi ine ao- iiuu^no imu iiie ciianiuer so ooiaineu, 



vantages of a span-roofed house is, that and to add evaporating- pans to the 



plants are exposed to light in all direc- pipps which are carried round the walls 



tions: but, all-important as is that pro- "I" short, it appears to us that ir 



