Classification of Plants 



269 



Sphenogyne. — Heads radiate, but the disc flowers bear 

 the fruit. The receptacle bearing papery scales (palese) 

 among the flowers. Involucre of 

 overlapping scales, the inner lar- 

 ger with papery tips. Achenes 

 surrounded at base with long silky 

 hairs. Pappus of five broad scales, 

 spirally rolled before the flower 

 opens ; much enlarged in fruit 

 and milk-white. 



Herbs or shrubs with simple or com- 

 pound leaves, strongly scented. Flowers 

 yellow, often copper coloured beneath. 



Fig. 270. — Sphenogyne anthemoides- 

 Achene with scaly pappus. (From 

 Edmonds and Marloth's "Elemen- 

 tary Botany for South Africa.") 



AA. Anthers without tails. 

 Pappus none. 



Eriocephalus (Woolly head), the " Copock bush." — 

 Heads small, the rays usually broad and heart-shaped, bearing 

 fruit. Disc flowers bearing stamens. Involucre double, the 



Fig. 271. — Eriocephalus unibellatus. 



outer of separate scales ; the inner scales cohere to form a cup. 

 The achenes are without pappus. 



Much -branched rigid shrubs, silky or silvery. The flower heads 

 become very woolly with age. 



Athanasia. — Heads many-flowered, without rays. In- 



