254 



Composites Chrysanthemum. 



ray The disk is large and the ray-florets relatively short. It 

 is a native of the Caucasus. The garden varieties are either 



Fig. 141. Chrysanthemum roseum. (J nat. size.) 



Fig. 142. Ch. coronarium. (\ nat. size.) 



single or double, with the florets plain or fringed, white, salmon, 

 pink, rose, crimson, or purple of some shade, or two-coloured. 

 They begin to bloom in May and continue for a long period. 



4. Oh. Tchihatchewii. This species is unfortunate in its 

 name, but said to be useful for covering banks. It is a trail- 

 ing perennial with small bipinnatifid glabrous dark green 

 leaves toothed at the base of the petiole and small white 

 flowers. 



5. Ch. coronarium (fig. 142). A branching annual from 2 

 to 3 feet high bearing a profusion of single or double yellow 



