RAFFLESIACEAE 



175 



Plate 43. 



A. Cytinus dioicus Jussieu 



1. Male plant, parasitic on Relhania ericoides from Porterville Road. 2. Male 

 flower, three perianth-segments removed. 3. Antheriferous apex of staminal column. 3/1. 

 4. Female flower, three perianth-segments removed. 5. Female flower, without the 

 perianth. 6. Transverse section of ovary [Fig. 6 after Harvey]. 



B. Cytinus capensis Marl. (Trans. Roy. Soc. S. A. Vol. 11, 191 2) 1. Male plant. 

 2. Segment of perianth, outer side. 3/2. 3. Transverse section through portion of 

 perianth. 3/1. 4 and 5. Trichomes of perianth. 5/1. 



Cytinus. 

 The genus Cytinus consists of four species ; one being parasitic on the 

 roots of Cistus shrubs in the Mediterranean countries, one occurring in 

 Madagascar and two at the Cape. 



Fig. 82 c. Cytinus capensis Marl. 1/4 nat. size. Parasitic on the roots of Metalasia 

 muricata. From Cape Flats. Photo. E. Dyke 



Cytinus dioicus. This species has been observed in various parts of 

 Southern Cape Colony from Saldanha Bay to Kaffraria; it appears to be 

 parasitic upon several species of plants, being recorded from Agathosma 

 [fide Bolus), Selago {fide F. C. Kolbe), Eriocephalus {fide Harvey) and Relhania 

 ericoides. The two sexes are very similar in appearance and as occasionally they 

 occur together in one lump, one might mistake such a case for a monoecious plant. 



The colour varies ; the specimens seen by the author were all bright 

 orange, varying occasionally towards a more yellow or reddish tint, but Miss 



