100 BRECK'S BOOK OF FLOWERS. 



cultivated for the same purpose." A biennial, with purple 

 flowers in July and August ; three feet high. 



Campanula glomereta, Cluster-flowered, " is a handsome 

 rock or pot plant ; it requires a dry, lean soil, otherwise, as in 

 most plants, the flowers lose the intensity of their color in that 

 which is very rich." Flowers purple, in clustered heads, in 

 May and June ; two feet high ; a native of Siberia. Leaves 

 scabrous, oblong "lanceolate sessile. Campanula urticifolia, spe- 

 ciosa, versicolor, azurea, bononiensis, lactiflora, aggregata, with 

 numerous other species, are worthy of a place in every garden, 

 as they are easily cultivated, succeed admirably in our climate, 

 and will endure the severest of winters. But a small portion 

 of this large genus require protection. 



CAKDAMINE. 



Cardamine pratensis pleno. Double Cardamine. A hardy 

 perennial, from Britain, one foot high, with double white 

 flowers, in May or June ; propagated by dividing the root. 



CASSIA. 



Cassia Marylandica. Maryland Cassia. A hardy, indig- 

 enous perennial, four feet high, with yellow flowers, from 

 August to September. Many of this genus are beautiful 

 plants, but mostly tender ; some species are sensitive, and close 

 their leaves in wet weather, or at the approach of night. 



CATANANCHE. 



Catananche cerulea. Blue Catananche. A handsome per- 

 ennial, from the south of Europe, one and a half foot high, with 



