358 Plants and their Ways in South Africa 



curved and swollen at the top. Anthers exserted, i -celled, 

 kidney-shaped. S. atropitrpiirea, Hiern. — called " Cape Saf- 

 fron " (Geele bloemetjes). 



Herbs or small shrubs, often much branched. Lower leaves opposite ; 

 upper alternate, entire, toothed, or much cut. Sometimes viscid ; turning 

 black in drying. 



Manulea is similar to Sutera, but the tube is not swollen. 

 Common little plants, often covered with woolly hairs. Corolla 



Fig. 341. — Harveva capertsis, Hook. A, section of flower, B, .stamen 

 showing one long empty anther cell, c, floral diagram. 



nearly regular, orange. Found in sandy soil. Herbs, rarely 

 woody. Usually not drying black. 



AA. Back lobes covered by the front lobes in bud. Root 

 parasites — 



B. Anthers \ -celled — 



Hyobanche.— Calyx deeply 5-parted. Corolla tubular, 

 curved and hooded at the top, limb shortly 3-lobed. Stamens 

 of two lengths. Rose-red, thick stemmed. Parasites on the 

 roots of Proteaceffi and other plants. Mr. v. d. Merwe, of 

 Wellington, has found this parasite growing on roots, in an 

 ant heap, 30 feet below the surface. 



