206. 148. COMPOSITAE. 



11. Fruits with a basal point of attachment. 81 BERKHEYA. 



Fruits with a lateral or oblique point of attachment. lz. 



12. Leaves prickly. 84 CNICUS. 

 Leaves unarmed. 83 CENTAUREA. 



13. Involucral bracts free, the inner scarious at apex. I4. 

 Involucral bracts united at least at base. 16. 



14. Ray flowers neuter, without achenes or pappus. 



78 CRYPTOSTEMMA. 

 Ray flowers female, producing achenes. 15. 



15. Pappus of several narrow diaphanous scales. 



77 HAPLOCARPHA. 

 Pappus 0, or of 4 — S minute squamules. 79 VENIDIUM. 



16. Involucral bracts united at base only. Receptacle with deep 



pits. 81 BERKHEYA. 



Involucral bracts united to the middle or beyond. 



80 GAZANIA. 



17. (8) Anthers tailed. 18. 

 Anthers entire, auricled or sagittate, rarely shortly mucronate 



at the base, but not tailed. S3. 



18. Corolla of hermaphrodite flowers irregular, 2 lipped or deeply 



divided. 19. 



Corolla of hermaphrodite flowers toothed or cleft or flowers 



unisexual. 20. 



19. Corolla 2 lipped. Achenes beaked. Stemless herbs. 



87 GERBERA. 

 Corolla deeply cleft. Achenes villous. Shrublets. 



85 DICOMA. 



20. Receptacle with scales between flowers at least towards mar- 



gins. 2I. 



Receptacle glabrous or hairy without scales. 28. 



21. All the flowers hermaphrodite. 24 HEUCHRYSUM. 



Not all the flowers hermaphrodite. 22 



22. Corolla of marginal flowers, strap-shaped. 23. 

 Corolla of marginal flowers, thread-shaped. 25. 



23. Style branches truncate. Marginal rows of stigmatic papillae 



not confluent at tip. 29 RELHANIA. 



Style branches rounded or blunt. Marginal rows of stigmatic 



papillae confluent at tip. 24. 



24. Pappus of 2—3 keeled scales. 38 CALLILEPIS. 

 Pappus of 10 — 16 scales, all or half of them awned. 



37 GEIGERIA. 



25. Female flowers 3—6, hermaphrodite 1— 2. 22 ACHYROCLINE. 



Female flowers fewer than the hermaphrodite. 26. 



26. Hermaphrodite flowers sterile. Female flowers hidden in 



axils of outermost involucral scales. Shrubs. 



31 PETALACTELLA. 



