3 66 



THE BOOK OF GARDENING. 



plants that have withstood several degrees ' below zero without 

 showing any signs of injury. What they do object to, and 

 this should be remembered at planting-time, are north and 

 east winds; this difficulty can be overcome by selecting a 

 position .sheltered from cold winds. All the Japanese Maples 

 mentioned below make splendid pot subjects for conservatory 

 and room decoration, as well as pleasing lawn trees. They 

 thrive in ordinary soil, provided it is well drained. A. pal- 

 matum {A. polymorphum) is a well-known kind, having deep green 

 leaves, shaded with yellow and rose in autumn. A. p. aureum 

 is strikingly handsome, with rich yellow foliage. A. p. roseo- 

 marginatum has deeply divided leaves, pale green, edged with 

 rose-pink. A. p. sanguineum has leaves a trifle larger than the 

 type, and of a rich crimson hue. The leaves of A. p. atro- 

 purpureum are of a beautiful bronzy -purple shade; it is a 

 vigorous grower. A. p. dissectum {A. p. palmatifiduni) is a dis- 

 tinct and beautiful form, with light green fern-like leaves ; its 

 sub-variety, ornatum, also has fern-like leaves, but of a rich 



shade of 

 bronze - purple. 

 A. p. septem- 

 lo b u m has 

 beautiful foli- 

 age of a tender 

 shade of green. 

 A. p. s. e/egans 

 is very orna- 

 mental; the 

 beau tifully- 

 lobed leaves 

 undergo 

 various changes 

 of colour, from 

 pale green, 

 through pink 

 and crimson, 

 to dull red. 

 A. p. s. lacini- 

 atum is dis- 

 tinct, elegant, 

 and of good 

 growth. Its 

 soft green 

 leaves are 

 touched with 

 rose. 



.-Esculus. — The value of j&. Hippocasianum (Horse Chestnut) 

 for park decoration is well known, and as an avenue tree it 



Fig. 238. — ^Jsculus Pavia. 



