Breeding experiments which show that hybridisation and mntation etc. 27Q 



Fig.i2. Fj rosette, another plant from same cross, July 14. Cf. fig. 11. 

 „ 13. Fl rosette, July 13, from O. mut. rubricalyx x O. grandifloia Solander from 



Birkenhead, England. Cf. figs. 11 and 12. 

 „ 14. Adult plant, July 29, same as last. Cf. figs. 3. 4 and 10. 



„ 15. Dwarf type from Fj grandiflora X rubricalyx. Cult. — . No. II. 19. 



,. 16. Same, in flower, Sept. 26. Cult. 53. No. II. 18. 



„ 17 — 24 were taken by cutting off the stem about a foot above ground and photo- 

 graphing the flowering shoot. 

 „ 17. GramUflora X rubricalyx. F.>. Cult. 48. No. II. 7, July 23. Foliage formula, 



b c 



b ^ • — . 



2 4 

 „ 18. Grandiflora X rubricalyx, F^. Cult. 49. No. I. i, July. Foliage formula, 



p — b • s. 

 „ 19. Grandiflora X rubricalyx, ¥2- Cult. 49. No. VII. 19, Sept. 26. Foliage formula, ps. 

 „ 20. Rubricalyx x grandiflora, F.,. Cult. 57. No. I. 2. Foliage formula, ps. 

 „ 21. (Rubricalyx x grandiflora) X rubricalyx. Cult. 70. No. III. i. Folia formula, 



b^ c_ 



2 ' 4' 

 „ 22. (Rubricalyx x grandiflora) X grandiflora. Cult. 71. No. IV. 3, July 23. Foliage 



formula, ps. 

 „ 23. (Rubricalyx x grandiflora) X grandiflora. Cult. 71. No. V. i. Foliage for- 

 mula, ps. 

 „ 24. Mutant from (rubricalyx x grandiflora) X grandiflora. Cult. 67. No. II. 6. 



Sept. 26. 

 „ 25. Mutant (■iemilata grandiflora) from grandiflora X rubricalyx, Fg. Cult. 53. 



No. II, 7. Sept. 26. 



