12 



NATURAL HISTORY OF PLANTS. 



The genus Jafeorhiza, distinguished from Chasmanthera chiefly 

 by the form of its male flowers, contains, among other species, 

 /. strigosa, 1 from the west of Tropical Africa ; this has the female 

 flowers, prickly fruits and seeds formed as in Chasmanthera dependens, 



Chasmanthera Columba. 



Fig. 16. 

 Male floriferous branch (i). 



while its stamens are monadelphous ; so that these two plants differ 

 in no point of generic value. Nay, they are far closer to one 

 another than to the Colombo-root plant, which has been named 

 /. Columba" (figs. 16, 17), and which no one has thought of putting 

 in a different genus to that of /. strigosa. Yet it has free stamens, 

 its male flower becoming quite that of a Cocculus. The female 



1 Miebs, Niger, 213, t. 18. — Cocculus ? ma- 2 Miees, Niger, 214, not. — Cocculus pal- 



cranthus Hook. F., loc. cit. — Chasmanthera mains DC, Syst., i. 522 ; Prodr., i. *J8, n. 22. — 

 strigosa H. Bn., iu Adansonia, v. 361. Menispermum Columba Roxb., Fl.Ind., iii.807. 



