27. ORCHIDACEAE. 73. 



27. Sepals and petals spreading, subequal. Lip inferior. 



6 ANSELLIA. 

 Sepals and petals subconnivent unequal. Lip superior. 



7 POLYSTACHYA. 



28. Pollinia with 1 stipe and 1 gland. 8 ANGRAECUM. 

 Pollinia with 2 stipes and 1 — 2 glands. 29. 



29. Pollinia with 2 stipes attached to 1 gland. 



9 LISTROSTACHYS. 

 Pollinia with 2 stipes and 2 distinct glands. 



10 MYSTACIDIUM. 



1. LIPARIS L.C. Rich. 



1. bowkeri Harv. Ngoma and near Richmond. 



2. gerrardi Reichb. f. 



2. MEGACLINIUM Lindl. 



1. sandersoni Oliv. Midlands, on trees. Often in dense 



masses. 



2. scaberulum Rolfe. Zululand. 



3. CALANTHE R.Br. 



natalensis Reichb. f. Coast and Midland Bush. Fairly com- 

 mon. 



4. EULOPHIA R.Br. (Mostly in vleis ; sometimes in grassveld). 



1. mackenii Rolfe. Coastbelt. 



2. caffra Reichb. f. Tugela Valley and Zululand. 



3. natalensis Reichb. f. Coastbelt. Common. 



4. nutans Sond. Ixopo. 



5. flaccida Schltr. Coastbelt. Vleis. 



6. carunculifera Reichb. f. 



7. laxiflora Schltr. Coast to Drakensberg. Common. 



8. aemula Schltr. Midlands and Drakensberg. 



9. longipes Rolfe. 



10. purpurascens Rolfe. Coast and Midlands. Common. 



11. g!adio!oides Rolfe. Lidgetton. 3-4,000 ft. 



12. hians Spreng. Coast to Drakensberg. Grassveld. Com- 



mon. 



13. saundersiae Rolfe. 



14. barbata Spreng. 



15. robusta Rolfe. Camperdown. 



16. dregeana Lindl. Alexandra district, 2-3,000 ft. Grass- 



veld. 



17. haygarthii Rolfe. Camperdown, 2,000 ft. 



18. deflexa Rolfe. 



19. acumin&ta Rolfe. Estcourt. 



20. calanthoides Schltr. Midlands and Drakensberg. 



21. subintegra Rolfe. Drakensberg. 



22. woodii Schltr. Near Berlin Mission. 



23. zeyheri Hk.f. Coast to Drakensberg. Common. 



