2 54 Plants and their Ways in South Africa 



Riocreuxia. — Corolla bell-shaped, swollen at the base, the 

 slender tips meeting to form an arch. 



Half shrubby graceful climbers, with heart-shaped petiolate leaves and 

 greenish or dark purple flowers. 



Stapelia.— Flowers large, star-shaped, greenish purple, 

 mottled. Their strong and disagreeable odour attracts carrion 



Fig. 257. — Lconotis honorus. (From Edmonds and Marloth's " Elementary 

 Botany for South Africa.") 



flies, which aid in fertilization. The tufted stems are leafless, 

 4-angled, and swollen. In the central portion water is stored. 



Order Labiat/e. 



Calyx gamosepalous, 5-toothed, remaining on, and often 

 showy after flowering. Corolla more or less irregular, and 

 2-Hpped. Stamens 2 or 4, of two lengths or nearly equal, 

 borne on the petals. Ovary of 2 carpels, becoming 4-celled 



