178 ALPINE FLOWERS AND ROCK GARDENS. 



often grown as a window plant, but may be grown out 

 of doors in sheltered places. There is a charming 

 variety called tricolor superha, which is almost entirely 

 grown in pots and baskets. 



Sihthorpii (Cymhalaria). — ^A low close grower which 

 thrives in damp shady spots. It is a biennial, 

 reproducing itself from self-sown seeds. 



Umbrosa (London Pride). — Abundant sprays of 

 pinkish flowers in spring on stems about nine inches 

 high. A dense grower. 



A section of the large-leaved Saxifrages are some- 

 times called Megaseas. Among them may be named 

 the following : 



C or di folia. — Pink flowers in spring on stems about 

 a foot high. There is a dark variety called purpurea 

 and a white one called alha. 



Crassifolia. — A spring bloomer with pink flowers, 

 about a foot high. 



Ligulata. — Purple flowers in spring on stems a foot 

 high. There is a pink variety. 



Stracheyi, — Pink flowers in spring on stems a foot 

 high. There is a white variety. 



The foregoing is a brief survey of the genus Saxifraga, 

 and will set the beginner in the cultivation of Alpine 

 plants on the path towards knowledge of the principal 

 Rockfoils. It is, however, little more than a glance, 

 and those who already have some acquaintance with 

 the genus may be glad to have further notes, embracing 

 some of the rarer species. These shall be given in 

 alphabetical order : 



