io6 



THE FLOWER GROWER'S GUIDE. 



lilac : April and May. Exposed position ; com- 

 mon soil. Division of bulbs. 



TropyEOLUM (Indian Cress). — T. polyphyllum (many 

 leaved), South America ; trailing ; flowers yellow : 

 June. Position sunny and dry ; common soil. 

 Division of tubers. 



TuLiPA (Tulip). — T. australis (southern), Savoy; height 

 6 to 1-2 inches ; flowers yellow, flushed with red: 

 May. Any position ; soil sandy and well-drained ; 

 division and seeds. T. Clusiana (Clusius), Lady 

 tulip, South of Europe ; height 12 to 18 inches ; 

 flowers white, flushed with red : J uly. Any sunny 

 position ; common soil . Division and seeds. 



Veronica (Speedwell). — A large family, wdth blue or 



white flowers. A few species are suitable for rock- 

 work, notably, V. chamaedrys, V. prostrata (pro- 

 strate), syn. V. rupestris ; V. satureoides (satureia- 

 like), V. saxatilis (rock-loving), V. taurica (taurian) 

 and V. teucrium. Any position ; common soil. 

 Division and seed. 



Vesicaria (Bladder-pod).— V. utriculata (bladder- 

 podded). South Europe ; height 1 foot ; flower, 

 yellow : April and June. Sunny and dry position ; 

 loam and limestone chippings. Division and seeds. 



Waldsteinia. — W. trifolia (three-leaved). Eastern 

 Europe ; dwarf and spreading similarly to straw- 

 berries ; flowers golden yellow : April. Any 

 position or soil (see Fig. 56). 



Aciena micropliylla. 



Acantholinum gluniaceum. 

 •Achillea Clavennse. 

 t*Alyssuni saxatile. 

 t*Androsace villosa. 



Anemone blanda. 

 'Antennaria tomentosa. 

 t*Arabis alpina. 



Arenaria balearica. 

 + *Arenaria purpurescens. 



Asperula odorata. 



Aster alpinus vars. 



Aubretia purpurea. 

 + *Aubretia Leichtlini. 



Campanula garganica. 

 t "Campanula isophylla. 



Cyclamen coum vars. 



Selections of Eock Plants. 



Cyclamen hederccfulium vars. 



Cypripedium calceolus. 



Dianthus ca'sius. 

 t*Dianthus neglectus. 



Dodecatheon Meadia. 



Draba aizoides. 

 *Dryas octopetala. 

 *Erinus alpinus. 



Erodium niacradenium. 

 'Gentiana acaulis. 



Gentiana verna. 



Geranium cinereum. 

 *Hutchinsia alpina. 

 *Iberis sempervirens. 



Linaria alpina. 

 *Lithospermum prostratum. 



Myosotis alpestris. 



I *Onosma tauricum. 

 Papaver alpinum. 

 t* Phlox Nelson's hybrids. 

 *Potentilla nitida. 

 Primula auricula vars. 

 *Primula integrifolia. 

 Saponaria ocymoides vars. 

 Saxifraga cotyledon pyramidal is. 

 t*Saxifraga longifolia. 

 t'Saxifraga oppositiiblia major. 

 *Sedum Sieboldi. 

 *Sempervivum arachnoideum. 

 t*Silene acaulis vars. 

 Soldanella alpina. 

 Veronica rupestris. 

 +*Veronica saxatilis. 



* Twenty- five select species. f Twelve select kinds. For positions see preceding pages. 



Desirable Plants for Eockwork in Exposed Situations. 



{From the Journal of tlie Royal Horticultural Society.) 



Acrena: — microphylla, Nova Zea- 



landica. 

 Achillea tomentosa. 

 Androsace : — carnea, lanuginosa. 

 Anemone vernalis. 

 Arabis alpina. 



Arenaria : — balearica, cfespitosa, 



grandiflora. 

 Ai'meria : — Laucheana, maritima. 



Aster aljiinus. 



Aubrietia :— Leichtlini, purpurea. 



Calystegia pubescens. 



Campanula: — abietina, alba, alpina, 

 muralis, nobiLis, Portenschla- 

 giana, pulla, pmnila, tui'binata. 



Cerastium tomentosuni. 



Cheiranthus alpinus. 



Cistus : — alyssoides, florentinus. 



CoronHla iberica. 



Crucianella stylosa. 



Daphne : — -Blagayana, Cneorum, 



rupestris. 

 Dianthus : — alpinus, carj^ophyllus, 



deltoides neglectus. 

 Draba aizoides. 

 Edraianthus dalmaticus. 

 Erinus alpinus. 



