HARDY PERENNIAL PLANTS. 125 



one flower to the stigma of the other. Carefully keep them in a dry 

 atmosphere until the seeds are ripe. Keep the seeds in paper, properly 

 labeled as to parentage, then about the middle of March they can be 

 sown. The resulting seedlings will be almost certain to give some 

 flowers passably good, probably some as good as the parents, and pos- 

 sibly some even better. A great deal depends upon selecting the parents; 

 but rules for this cannot be laid down, as the selection of apparently 

 unpromising parents will sometimes give good results, showing tha : 

 the crossing of plants is little more than guess work. 



Other Species of Chrysanthemum well worth growing are C. ullgino- 

 sum, a tall growing plant, with large white flowers; very useful for cut- 

 ting. It blooms late and must have a deeply worked, rich, moist soil to 

 bring the flowers to perfection. If planted in dry soil it remains dwarf 

 and unattractive. C. coccineum is better known as Pyrethrum roseum; 

 an early Summer blooming species, well worthy of extended culture. 

 Hundreds of varieties of it are in cultivation. It is not a difl3cult plant 

 to manage, thriving in well-drained borders; or on rockwork the plants 

 are thoroughly at home. They are well suited for providing flowers for 

 cutting. There are double forms in white, pink, carmine, rose, lilac and 

 yellow. They are increased in Spring by dividing the plants into small 

 pieces, and rooting in the sand bed of a cool house before potting. C. 

 leucanthemum is the Ox-eye Daisy of the meadows. C. parthenifolium 

 aureum is the Golden Feather, used in filling beds or for borders in Sum- 

 mer. It is a hardy plant, putting on its gayest colors early in the sea- 

 son; but it is more satisfactory when raised annually from seeds. 



CLEriATIS— During July and August one of the most useful plants for 

 producing white flowers is the herbaceous Clematis known as C. recta. 

 It grows from 2 to 3 feet high and if in deep rich soil the quantity of 

 flowers to a plant is very large. In C. tubulosa and C. Davidiana we 

 have two blue-flowered species from China. The last named is fragrant. 

 They are reliable plants for the herbaceous border, growing about 2 feet 

 high. They are all increased from seeds sown as soon as gathered; also 

 from division of the crowns, and by cuttings taken from the plants be- 

 fore coming into flower. 



COREOPSIS— C. lanceolata and C. grandiflora are yellow-flowered 

 composites, much used for Summer cut flowers. Old plants may be 

 divided, but they are best raised from seeds, and the young plants put 

 out early where they are to bloom. C. verticillata is of little service for 

 cutting, but owing to the finely divided foliage it is a desirable border 

 plant. Easily increased by division. 



DELPHINlUn (Larkspur)— The species are numerous, most of them 

 being choice border perennials requiring deep, rich soil. They are propa- 

 gated principally by cuttings of the young growths in early Spring from 

 seeds sown about the beginning of March, and by division of the roots 

 when dormant in Autumn or late Winter. D. grandiflorum and D. 

 formosum have numerous fine varieties, which are much grown for cut 

 flowers. 



