202 Plants and their Ways in South Africa 



Disa. — Lip mostly in front, never spurred or saccate j stem 



straight. 

 Schizodium. — Lip in three distinct sections, base, middle, and 

 apex ; stem bent at the nodes. 

 Odd sepal and petals cohering together. 

 Side sepals free — 



Disperis. — Side sepals spurred or saccate. • 



Side sepals not spurred or saccate — 



Habenaria. — Odd petal with a long spur. 

 Odd petal not spurred— 

 Pterygodium. — Hood erect. 

 Ceretandra. — Hood nearly flat and horizontal. 

 Corycium. — Side sepals joined to form a lower lip. 



Fic. 202. — Eiilophia, 



