PLANTS FOR ROCKERIES. 



97 



As will bo seen on reference to the following pages, there is a great wealth of plants 

 and shrubs suitable for various positions in the rock garden. They are, in fact, so 

 numerons that it is difficult to make a selection that shall be fairly comprehensive, yet 

 not, to the majority of readers, oppressively voluminous. In brief descriptions of some 

 of the best rock plants, their native countries arc given, also the heights of the plants 

 and colours of their flowers, while suitable soil and positions are noted, and methods of 

 increase indicated. 



PLANTS FOR ROCK GARDENS. 



AccENA. — A. MiCEOPHYLLA, native ot New Zealand; 

 height 1 inch to 2 inches ; neat, close-growing 

 evergreen ; flowers green with crimson spines, pro- 

 duced in the summer. Plant in ordinary garden 

 soil — increase by division, cuttings, and seeds. 



ACANTHOLINUM. — A small family with flowers not 

 unlike Statice. A. glumaceum (prickly thrift), 

 Armenia ; height 6 inches, compact ; rosy flowers 

 abundant in summer. A. venustum (charming), 

 height 6 to 8 inches ; flowers rose : summer. 

 Sunny positions and sandy soil surfaced with 

 stones. Cuttings, and seeds. 



Achillea (Milfoil). — Many species suitable for the rock 

 garden. A. Clavennse (Mrs. Clavenna's), Austria ; 

 height 9 to 12 inches ; hoary leaves, flowers white : 

 spring and summer. A. tomentosa (downy), Euro- 

 pean Alps ; height 6 to 12 inches ; flowers yellow : 

 summer. A. umbellata (umbel-flowered), Greece ; 

 height 4 to 5 inches ; silvery leaves, flowers white : 

 June. Ordinary garden soil, division in spring, root 

 cuttings and seed. 



^THIONEMA (Lebanon Candytuft). — Height 6 to 8 

 inches; neat growth, flowers rosy lilac, abundant 

 in June. grandiflorum (large-flowered), Mount 

 Lebanon ; height 1 8 inches ; flowers warm shaded 

 rose : May to August. Margins of rock- work and 

 light sandy soil ; cuttings in summer and seeds. 



Alyssum (Madwort). — Shrubby perennial section, ad- 

 mirably adapted for rockeries. A. montanum (moun- 

 tain), Europe ; height 2 to 3 inches ; flowers yellow, 

 sweet-scented : April and May. A. olympicum 

 (Olympian), north Greece ; height 2 inches to 3 

 inches ; flowers deep yellow : summer. A. saxatile 

 (rock), Eastern Europe ; height 1 foot ; flowers 

 bright yellow, profuse : spring. A. saxatile varie- 

 gatum, a variegated form of preceding ; exposed 

 position. A. gemonense sulphureum (sulphur), I 



free, distinct, ordinary soil ; division, cuttings 

 under handlights, and seed. 

 Androsace. — A very desirable race of rock plants. A. 

 carnea (rose-flowered), Switzerland ; height 3 to 4 

 inches ; flowers in July. A. charasejasme (rock 

 jasmine), Austria ; height 3 inches ; flowers deep 



Fig. 50. Androsace lanuginosa. 



pink : April to June. A. lanuginosa (woolly- 

 leaved), Himalayas ; height 6 to 8 inches ; flowers 

 delicate rose : June to October (see woodcut, 

 Fig. 50). A. obtusiflora (blunt-leaved), European 

 Alps ; height 6 to 9 inches ; flowers white and 

 rose : spring. A. villosa (hairy), Pyrenees, tufty 

 habit of growth; height 2 to 4 inches; flowers 



VOL. 1. 







