252 DR. E. p. PHILLIPS 



3. Barlcria thunhergiana (fruiting inflorescence). 



4. Barleria thiinhergiana (fruit enclosed between two 



bracts). 



5. Barleria tlmnhergiatia (one half of capsule after 



fruit has exploded), 

 n. Barleria thunherglanna (seed tightly enveloped with 

 long hairs). 



7. Barleria thiinhergiana (seed with hairs erect after 



wetting). 



8. Indigofera sp. (showing one valve of pod with a 



spiral twist). 



9. Tagetes minuta (fruit with 2 spines as a pappus). 



10. Eriospernuun Bvrcliellii (seed covered with long 



woollv hairs). 



11. Plutnhago eapensis (calyx with glandular hairs). 



12. Eulopliia laxi flora (fruit splitting to allow dust-like 



seeds to escape). 



13. Emex centropodiuW' (fruit with three spines). 



14. HariKigopliijtnm prociinihens (fruit). 



15. JAmeiun linifoliiim (fruit). 



16. Arctopus echinatiis (spiny involucre). 



17. Arctopus echinatiis (fruit). 



18. Trinmfetta sp. (fruit with barbed spines). 



19. Pupalia lappacea (fruit enclosed in bracts covered 



with hooked spines). 



20. Pretrea ^angueharica (showing position of fruit with 



spines erect). 



21. Marty nia lutea (fruit with two recurved spines). 



22. Cyatliula glohiilifera (fruit enclosed in sharp 

 pointed bracts). 



23. Pycnostachys reticulata (4 nutlets enclosed in calyx 



with sharp pointed lobes). 



24. Trimnfetta sp. (fruit witli simple spines). 



25. Erythrina acanthocarpa (pod covered with spines). 

 26. Aristida congesta (spiny glumes). 



