ARRANGEMENT OF THE PLANTS. 33 



hair family, Polypodium vulgare, Asplenium tricho- 

 manes, A. viride, &c., which have valuable medicinal 

 properties ; also Scolopendrium, Cystopteris, Crypto- 

 gramma, and Hymenophyllum, besides Grammitis 

 ceterach, a pretty little rare fern. 



Again, for mosses, let as much of the soil in 

 which the plants are growing naturally be taken up 

 with each plant (or tuft) as will fill the stone or 

 hollow, but observing to leave it below the lip, in 

 order to allow the rain to lodge therein, to supply 

 the plants with sufficient moisture; and those grow- 

 ing upon sticks or stones, pieces of decayed sticks, or 

 pieces of stone, can be placed in the cavities along 

 with them. A collection of mosses thus formed, 

 would, even of themselves, prove very interesting 

 about a place. 



Many of the lichens will also succeed by this treat- 

 ment, which are highly interesting and beautiful, such 

 as Scypkophorus cocciferus, Lecanora tartarea, &c. 



On the top and sides of the Rockery, Tfiymus, 

 Iberis, Parietaria, Linaria, Phlox (dwf.), Saxifraga, 

 Veronica, Polygala, Cochlearia, Drdba, and many 

 others of a similar nature. Succulent plants also, 

 such as Sempervivum, Sedum, Mesembryanthemum, 

 &c., will thrive most luxuriantly in stones, as re- 

 commended for mosses, filled with sandy loam and a 

 little peat. Here and there, throughout the Rockery, 

 may also be planted the common heather and other 

 hardy heaths, which have a very imposing effect 

 during the summer and autumn months. 



c 



