27. ORCHIDACRAE. 71. 



like, Ovary inferior, 3 celled. Ovules numerous. Style enclosed 

 in a groove of filament. Fruit a capsule or berry. Endosperm 

 mealy. 1 genus 1 species. 

 KAEMPFERIA L. "inDungulu." 



natalensis Schltr. & K. Schum. (Siphonochilus natalensis. 

 Wood & Evans). Coastbelt. 



FAMILY 27— ORCHIDACEAE. 



Herbs (sometimes epiphytic). Flowers irregular. Receptacle 

 usually continued above ovary to form a column on which the 

 stigma and anther are inserted. Stamen (in African genera) 1. 

 Ovary inferior 1 celled. Ovules numerous parietal. One of the 

 stigma lobes transformed into a rostellum to which pollen masses 

 adhere. Seeds small exendospermic. 29 genera 219 species. 



1. Pollen masses with basal stalk-like appendages which adhere 



to sticky gland-like appendages of the rostellum. 2. 



Pollen masses with apical appendages or without appendages. 



18. 



2. Anthers reclinate or forming an angle with the column. 3. 

 Anthers erect or if reclinate (Cynorchis) then lip 1 spurred. 8. 



3. Lip adnate to the column with an appendage on its upper 



face. Petals usually converging into a hood. 4. 



Lip free from the column or if slightly adnate to it then 



petals not converging into a hood. 6. 



4. Lateral sepals spurred or saccate. 29 DISPERIS. 



Lateral sepals not spurred nor saccate. 5. 



5. Petals united with dorsal sepal into a hood, contracted in 



front, concave or obliquely saccate at the base. 



28 CORYCIUM. 

 Hood flattened, not contracted in front, not saccate at base. 



27 PTERYGODIUM. 



6. Lip uppermost, 2 spurred or 2 saccate at base. 



24 SATYRIUM. 

 Odd sepal uppermost, spurred; lip not spurred. 7. 



7. Lip more or less saccate at base. Petals more or less adnate 



to the base of dorsal sepal and column. 



26 BROWNLEEA. 

 Lip flat. Petals free from column. 25 DISA. 



8. Stigmatic processes 2, often elongate, clavate and lateral. 9. 



Stigma 1. flat ; column very short. 13. 



9. Stigmatic processes short, adnate to lip. 19 PERISTYLUS. 

 Stigmatic processes free. 10. 



10. Stigmatic processes short, broad, oblong. 23 CYNORCHIS. 

 Stigmatic processes more or less elongated, slender. 11. 



11. Rostellum triangular, without diverging side lobes. 



20 STENOGLOTTIS. 



