2/8 Plants and their Ways in South Africa 



not twisted, and the glands of the pollinia lie in the notched 

 rostellum. 



Leaves two or one lying flat on the ground, or more than 

 two erect. Flowers in dense spikes, white, brilliant yellow, 

 orange, or a beautiful rose colour or dull brown. Different 

 species may be found in flower from July to December. A 

 widely distributed genus. 



Fig. 250. — Mystacidium filicorne, Lindl. An epiphytic Orchid with aerial 

 roots. 



Satyridium is distinguished from Satyrium by the pollen 

 masses being attached to a single gland. There is but one 

 species, S. rostratum, Lind. 



Disa. — Sepals nearly equal and separate ; the odd one, 

 which is at the back, and forms the conspicuous part of the 

 flower, is helmet-shaped, i -spurred, or saccate. The lip in 

 most species is small. In the blue Disa it is quite showy. 

 Scapes leafy, or the leaves reduced to bracts. Roots tuberous. 



