232 WINDOW GARDENING. 



55. Sempervivum califorrdcum, a larger species ; leaves are of a dark green 

 color, with reddish margin and dark points. 



56. Silene alpestris, a very fine plant of dwarf habit and pure white flowers. 



57. Silene maritima fi. pi. The leaves of this species are of a glancous color, 

 and the flowers are like small snowballs. • 



58. Soldanella alpina, a lovely little plant of an interesting appearance, with 

 leathery, shining, roundish leaves and beautiful blue bell-shaped, fringed 

 flowers. 



59. Tymus zerpillifolium fol. var., the variegated Thyme. 



60. Viola eornusa, the Pyrenean Violets with very large blue and white flow- 

 ers which appear numerously during the summer season. 



Finally, we observe, that in a collection like the preceding one, many plants 

 could be added, which would match well with the Habitus of Alpine plants but 

 which would anyhow require another treatment ; for instance, a warmer place 

 for the winter season, while others are in a resting state during the summer. 



Such are : Cyclamen Count, 2^ersicum, repandmn, vernum, europaeum, hede- 

 raefolium ; Echeveria secunda, glaucovirens, gibhiflora; Linaria cymbalaria; 

 Spigelia Marylandiea ; Scilla Sybirica, amoena, praecox; Leucojum vernum; 

 various kinds of Crocus and Snowdrops; Iris pumila; Sibthorpia Europcea; 

 Portulaccafiorepleno; dwarf kinds of Mesembrianthemum, Saponaria oeymoides ; 

 Sanvitalia procumbens flore pleno; Nycta vine capensis; Sedum coeruleum; 

 Grammanthes Gentianoides, lonopsidium acaule, and various kinds of Nemophila. 



