XXX 



LIST OF ENGRAVINGS. 



FIG. PAGE 



110. Wickerwork protectors of va- 

 rious kinds . . .172 



111 — 113. Details of a hand box, as 



a substitute for a hand glass. 172 



114. Iron bracket for supporting a 



temporary wooden coping . 174 



115. Apparatus for rolling up and 



letting down canvas shades . 1 75 

 322. Thatched hurdles for protect- 

 ing plants in the open garden. 401 

 377. Cover for peas and other early- 

 crops ..... 633 



Fixed Garden Structures. 



2. Section of a hothouse heated by 



hot-water according to Mr, 

 Penn's manner . . .85 



3. Section of a hothouse heated by 



hot-water in the ordinary 

 manner .... 86 



116. A stone for fixing temporary 



rafters . . . .179 



117. Mode of fixing temporary rafters 179 



118. Plan of a hollow brick wall . 180 

 ] 19, 120. Plan and end view of a 



brick wall 7 4 inches thick . 180 

 121. Longitudinal section of a flued 



wall 182 



122, 123. Plan and section of a reed 



wall .... 183, 184 



124. Trellised arcade for fruit-trees. 186 



125. Trellis for climbers . .186 



126. Plan showing the intersection 



of trellised walks . . 186 



127. Steep-roofed house for winter 



forcing of plants in pots . 189 

 128 Curvilineal glass roofs . . 189 

 129. Ground plan of curvilineal 



plant house . . .190 

 132. Perspective view of the original 



ridge and furrow house at 



Chatsworth . . .191 



135. Perspective elevation and section 



of a pinery heated by dung 

 linings .... 196 



1 36. Section of a vinery heated by 



dung 196 



1 37. Section of a furnace and double 



flue 198 



138. Section of a greenhouse, with 



reserve flue and common flue 199 



139. Section of a common brick flue, 



with a zinc cistern over it . 200 



156. Section of a span-roofed pit, 



with the roof over the path 

 opaque . . . .221 



157. Ground plan of a pit to be heated 



in Mr. Corbett's manner . 222 



158. Section of a pit to be heated by 



Corbet's system, or by smoke 

 flues . . . . .222 



FIG. PAGE 



317. Section of a pit on M'Phail's 



principle . . . .393 



332. Stake espalier rail . . . 425 



333. Cast-iron espalier rail . . 426 



334. Strained wire espalier rail . . 427 



336. Section of a pine-pit at Oakhill 445 



337. Section of a pit at Oakhill for 



fruiting Queen pines . . 448 



356. Section of Corbet's cucumber 



pit .... . 504 



357. Section of Green's cucumber 



pit 506 



358. Section of Ayi-es' cucumber 



house .... 508 



Hot -WATER Apparatus. 



140. A hot-water apparatus for cir- 



culation on a level . . 202 



141. Boiler and furnace for heating 



by hot water in rising and 

 falling pipes . . . 202 



142. Apparatus for circulating hot 



water below and above the 

 level of the boiler . . 202 



143. Syphon mode of circulating hot 



water . . . .203 



144. Hot-water pipe, and reserve 



cistern for hot water . . 203 



145. Section of a reserve cistern and 



hot-water pipes . . . 204 



146. Perkins's double boiler . . 206 



147. Roger's conical boiler . . 208 



148. Mode of setting Rogers's boiler 208 



149. Rogers's boiler set with the 



chimney added . . . 209 



150. Rogers's boiler with the heat- 



ing pipe joined to it . • 210 



151. Rogers's substitute for a stop- 



cock . . . .210 

 666' Rogers's hot- water reservoir . 210 

 154. Zinc cisterns for double and 



single pipes . . .216 



Digging, Trenching, and Ridging. 



159. A plot of ground properly marked 



off for digging or trenching . 229 



160. A plot of ground disadvantage- 



ously marked off for digging 



or trenching . . . 229 



160*. A section showing the differ- 

 ence between proper and im- 

 proper trenching . . 231 



380. Section of ridges prepared for 



planting potatoes . . 642 



Propagation by Cuttings, Layers, &c. 



164. A shoot improperly, and one 



properly cut . . . 236 

 166. Prepared cutting of a Shaddock 254 



