i8 7 o.] HARDY HERBACEOUS PLANTS. 537 



hairs. The tips of the leaves are connected by radiating lines of deli- 

 cate white threads, so interwoven with each other as to suggest the 

 idea that a spider had been at work upon them. The flower-stems 

 rise a few inches high. The flowers are pink, composed of twelve or 

 more spreading petals, and appear in July and August. Native of the 

 Alps and Pyrenees. 



& arenarium — Sand HouseleeJc. — The leaves in this species, in 

 small rosettes, are lance-shaped, smooth above and below, but fringed 

 on the margin. Flowers composed of six yellow petals. Height 

 about 6 inches. Native of the Tyrol. 



8. Calif omieum — Calif omian HouseleeJc. — A very handsome 

 species, with broad hemispherical rosettes, composed of oblong, glau- 

 cous, brown-tipped leaves, terminating in an abrupt sharp point. 

 Flowers purplish, composed of twelve or more spreading petals, 

 appearing from June till August. 



S. FuncJcii—F uncles HouseleeJc. — Leaves in rather large rosettes, 

 oblong, with an abrupt sharp point, downy above and below, and 

 fringed with long hairs. Flowers pink, with usually twelve petals, 

 appearing in July and August. Native of the mountains of Tyrol, 

 Carinthia, and Salzbourg. 



S. globiferum — Globular HouseleeJc. — The rosettes in this are 

 rather small and open in the old ones ; very small, close, and globular 

 in the young offsets. Leaves lance-shaped, smooth above and below, but 

 fringed. Flowers yellow, few, but very large ; petals more than twelve. 



S. hirtum — Hairy HouseleeJc. — Leaves oblong, acutely pointed, 

 hairy on both sides, and fringed. Flower-stems from 9 inches to 1 

 foot high. Flowers white, petals six, the tips hairy ; appearing in 

 July and August. Native of Italy and Austria. 



S. montanum — Mountain HouseleeJc. — The rosettes are close and 

 compact. The leaves are oblong, widening somewhat upwards, but ter- 

 minating in an abrupt sharp point, and fringed. Flower-stems 6 to 9 

 inches high. Flowers dull rose or purple ; petals twelve; appearing in 

 July and August. Native of the Alps. 



& soboliferum — Hen-and-CJiicJcen HouseleeJc. — In this the rosettes 

 are close and compact, composed of oblong, wedge-shaped, sharp- 

 pointed leaves with fringed margins. Flower-stems about 6 inches 

 high. Flowers pale yellow ; petals six, fringed. Native of Germany. 



S. tectorum — Common HouseleeJc. — The rosettes are large and 

 hemispherical, composed of oblong lance-shaped leaves, terminating in 

 a sharp rather abrupt point, the margins fringed. Petals twelve or 

 more, pink ; appearing in early summer, and continuing late. Native 

 of many countries of Europe, high on mountain-ranges, and not 

 uncommon on walls and house-tops in Britain. 



