3 50 P/diits and their Jl'in's in Soutli Africa 



Pachycarpus has larger bell-shaped or globose flowers, 

 and a corona of long flattened spreading lobes. Follicles 

 winged. Mostly Kalahari and Eastern regions. 

 BBB. Stamens witli a double crown. 



Sarcostemma. — Corona of an outer fleshy ring and 5 

 inner leaves. Erect or climbing 

 leafless shrubs, with fleshy jointed 

 stems and wheel-shaped corollas. 



AAA. Pollen masses 10, erect ^ 

 with the inland below. Corona double. 

 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, and tuberous roots. 



Stapelia. — Flowers large, star- 

 shaped, greenish purple, mottled. 

 Their strong and disagreeable odour 

 attracts carrion flies, which aid in 

 fertilization. The tufted stems are 

 leafless, 4-angled, and swollen. In 

 the central portion water is stored. 

 Hoodia has large showy flowers 

 over an inch in diameter ; stem stout, cylindrical bushily 

 branched, leafless ; with many tubercled angles ; tubercles 

 spine or bristle tipped. The plant resembles Cactus or Eu- 

 phorbia (fleshy species) in habit. 



332. — Stapi:lia. .Stem 

 and flowers. (From Hen- 

 slow's " South African 

 Flowering Plants".) 



Order L,\I!Iai-,k. 



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

 showy after flowering. Corolla more or less zygomorjihic, and 

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

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

 each cell containing one basal, erect seed. The style comes 

 from the 1iase instead of the to[) of the carpels. When 

 ripe the fruit separates into four )nUs. The order niav be re- 



