178 STUDIES IN GARDENING 



its large white flowers to the end of September, if it 

 is grown on the flat in full sun, and top-dressed with 

 leaf mould in the spring. It spreads so fast where it 

 prospers that it is a dangerous plant for small rockeries. 

 (Enothera marginata and O. taraxacifolia again are 

 only plants for large rock gardens. O. marginata 

 continues in bloom till September, and, where it 

 thrives, increases at a great rate by underground 

 suckers. It is easy enough to grow in full sun and 

 light soil. 0. taraxacifolia, which often dies in the 

 winter but can be easily raised from seed to flower 

 the same year, blossoms up to the frosts. Both of 

 these plants are prostrate in habit, and have large 

 and beautiful white flowers. Zauschneria Californica 

 is an autumn flowering plant with brilliant scarlet 

 blossoms. It also increases rapidly and needs plenty 

 of room. It thrives and flowers best in a hot, dry 

 place. Plumbago Larpentse, also an autumn flowering 

 plant, with fine cobalt blue blossoms, may be grown 

 with it. Aplopappus Brandegei is a little known but 

 valuable composite from America. It is like a minute 

 sunflower, but low and bushy in growth. It flowers 

 from the beginning of July to the autumn, and thrives 

 in any sunny dry place. Most of the Androsaces are 

 spring flowering, but Androsace lanuginosa is at its 

 best in August, and often continues to bloom until 

 the frost. It is also one of the easiest to grow, as well 

 as one of the most beautiful. It likes a deep soil, 2 ft. 

 at least of fibrous loam, leaf-mould and mortar rubble 

 and a fairly cool situation, where its roots can run 



