272 Annals of the South African Museum. 



Hoek, January, Bolus, 8292 ! ; Miss Jacobsz in Herb. Bolus ! ; near 

 Zaai Hoek, Thode; near Harrismitb, Sankey, 266, Cooper, 1098, 1871 ; 

 Natal, Van Reenen, 5500 ft., January, flowers rosy-white, Wood, 8751 ! ; 

 Oliver's Hoek, 5000 ft , Allison, 27. 



DISTRIBUTION : East Griqualand. Swaziland. Transvaal (Lyden- 

 burg, Midclleburg, Ermelo). 



SESUTO: 'Mametsana. (Wrongly cited as a locality n the 'Flora 

 Capensis.') 



D. crassicornis, Lindl. 



Wittebergen, 7-8000 ft., Drrge, 3577. 



DISTRIBUTION : Knysna. Uitenhage. Bedford. Fort Beaufort. 

 Somerset East. Stockenstroom. King William's Town. Komgha. 

 Transkei. Pondoland. East Griqualand. Natal. 



D. crassicornis, Lindl., forma. 



Ravine and mountain slopes. 9-13 in. high, flowers white with 

 magenta spots. Summer. A. Dieterlen. 751 ! 



DISTRIBUTION : Endemic. 



SESUTO : 'Mametsana. This is a much smaller plant, with smaller 

 flowers than in the type. Mrs. Bolus, to whom I showed the specimen, 

 thinks it only a form of the above. 



D. frigida, Schltr. 



Grassy spots on the summit of the Mont-aux- Sources, c. 8850 ft., 

 January, flowers purple. Thode, 54 ! 

 DISTRIBUTION : Endemic. 



D. Cephalotes, Reichb. f. 



Rocky grassy ledges, near the summit of Mapedi's Peak, Witzie's 

 Hoek, c. 7980 ft., February, flowers white with purple spots, Thode, 

 56!; Bester's Vlei, near Harrismith, Miss Jacobsz; Natal, slopes of 

 the Drakensbergeu, near the Tugela River, 5000 ft., Buchanan in 

 Herb. Sanderson ; Oliver's Hoek, 5000 ft., Allison, 2 ; stony hills near 

 Van Reenen, 7000 ft., Schlechter, 6933. 



DISTRIBUTION : Stockenstroom. Queenstown. Stutterheini. 

 Somerset East. Tembuland. 



D. oreophila, Bolus. 



Harrismith, Sankey, 255 ; Natal, Oliver's Hoek Pass, January, 

 flowers pink, Wood, 3413 ! ; slopes of Drakensbergen, Wood, 3417 ! 

 DISTRIBUTION : Transkei. Tembuland. East G-riqualand. 



