PLANTS FOR ROCKERIES. 



some silvery rosettes ; height 1 foot; flowers white : 

 July. Position between fissures in roeks ; common 

 soil. Seeds. S. oppositifolia major (opposite- 

 leaved), Britain; height 6 to 8 inches; liowers 

 bright purple : April and May. Exposed position ; 

 deep light loam ; divisions. S. Rocheliana (Rochel's), 

 Austria ; height 3 inches ; flowers white : summer. 

 Position among crevices in rocks ; loamy soil. 

 Division and seeds. S. sarmentosa (sarmentose), 

 Aaron's Beard, China and Japan ; height 9 inches : 

 June and July. Position where it can 

 run wild; ordinary soil. S. Wallacei 

 (syn. S. camposi), Spain ; height 3 to C 

 inches ; flowers white : May. 



Sedum (Stone Crop). — An extra large family, 

 the majority of which are admirably 

 adapted for attractively clothing rock- 

 work. Most of them have yellow flowers. 

 Some of the best are : S. acre (bitter), 

 S. album (white), S. anacampseros, S. 

 brevifolium (short-leaved), S. dasy- 

 phyllum (thick-leaved), S. glaucum 

 (glaucous), S. kamtschaticum, S. pul- 

 chellum (pretty), S. rupestre (rock lov- 

 ing), S. Sieboldi (Siebold's), S. spectabile 

 (remarkable), and S. spurium (spurious), 

 synonym S. stoloniferum. Position, 

 sunny trailing over rockwork ; loamy 

 soil, with stones mixed with it. Division. 



Sempervivum (House Leek). — Of this family, 

 again, there are a considerable number of 

 species suitable for rockwork. Some of 

 the best are : S. arachnoideum (cob- 

 Avebby), S. ciliatum (ciliated), S. mon- 

 tanum (mountain), S. triste (sad), S. 

 tectorum (roof-loving). Sunny positions; 

 sandy soil. Division and seeds. 



SiLENE (Catch-fly). — S. acaulis (stemless), 

 Britain ; height 2 inches ; flowers pink, 

 sometimes white. S. a. alba, and red, 

 S. a. rubra : June to August. Sunny 

 slopes ; peaty or sandy soil. Division. 

 S. alpestris (alpine), Austrian Alps ; 

 inches ; flowers white : May to July, 

 sunny and exposed ; deep moist loam, 

 and seeds. S. maritima (maritime), 

 height 2 to 4 inches ; flow^ers white 

 August. There is also a double form — S 

 pleno. Fronts of rockery ; common soil. Division and 

 seeds. S. pennsylvanica (Pennsylvanian) ; height 

 4 to 8 inches ; flowers pink : April to June. Posi- 

 tion partially shaded ; gravelly soil. Cuttings 

 and seed. S. pumilio (Pigmy Catch-fly), Tyrol ; 

 VOL. I. 



very dwarf, compact ; flowers rose-coloured : 

 summer. Position sunny ; sandy loam, sur- 

 faced with stones. Cuttings and seeds. S. vir- 

 ginica (Virginian Fire Pink) ; heiglit 1 f(J0t to 

 2 feet ; flowers deep crimson : June to August. 

 Position background ; common soil. Division 

 and seeds. 



SoLDANELLA (Bluc Moonwort). — S. alpina (alpine) ; 

 height 3 inches ; flowers violet : April. Position 

 level ; sandy soil. Division and seeds. 



height 6 

 Position 

 Division 

 Britain ; 

 June to 



m. flore- 



WaLDSTEINIA TEIFi 



Thalicteum (Meadow Rue). — T. anemonoides (anemone 

 like). North America ; height 6 inches ; flowers 

 pinkish : early spring. Any position ; common 

 soil. Division of tuberous roots. T. minus (lesser), 

 Britain ; maidenhair- like foliage ; flowers greenish 

 yellow. Any position or soil. Division. 



Thymus (Thyme). — T. lanuginosus (woolly), a woolly 

 form of the common British thyme. Succeeding 

 well in dry, hot positions. 



Triteleia (Triplet Lily). — T. uniflora (one-flowered), 

 Buenos Ayres ; height 6 to 1 2 inches ; flowers pale 



