686 



BOTANY 



lipped ray-florets. Pappus as a rule of bristle -like hairs. Style with straight 

 branches ; stigmas terminal. Numerous species of Aster, Solidago, and Eriyeron 

 occur in Europe, America, and Asia. Species of Aster are cultivated. Baccharis ( M ), 

 shrubby dioecious plants from America. Species of Jfaastia ( m ) are cushion-shaped 

 plants with woolly hairs in New Zealand (Vegetable Sheep). 



(b) Inuleae resemble the preceding group but have tailed anthers. Involucral 

 leaves frequently dry and membranous. Inula occurs in Britain ; /. helenium 



Fio. 778. Tussilago Farfara. (After BAILLON.) 



is cultivated. In Gnaphalium, Antennaria O* 5 *), Hclichrysum (Everlasting 

 flowers), Leontopodium (Edelweiss), Filago, etc., the dry involucral bracts are 

 coloured and have flat, expanded appendages ; the flowers are all tubular but 

 the marginal florets are female, the disc-florets hermaphrodite. Raoulia ( 66 ) 

 resembles Haastia in habit and in distribution (cf. Fig. 193). Odontospermum 

 pygmaeum (Rose of Jericho) closes its iuvolueral bracts over the fruits when dry 

 and expands them when moistened. 



(c) Heliantheac. Receptacle with floral bracts. Involucral bracts herbaceous. 



