33& BOTANICAL GAZETTE [October 



PLATE XXIII 



Fig. 7. — Pollen of Ginkgo biloba; X250. 



Fig. 8. — Pollen of the same; X700. 



Fig. 9. — Pollen of Araucaria Cooki; X 200. 



Fig. 10. — Pollen of the same; X400. 



Fig. 11. — Pollen of Iris versicolor; X150. 



Fig. 12. — Pollen of Iris germanica hybrid; X 150. 



PLATE XXIV 



Fig. 13. — Pollen of L ilium canadense; X125. 

 Fig. 14. — Pollen of Narcissus hybrid; X250. 

 Fig. 15. — Pollen of Lachenialia Nelsoni^ cultivated hybrid; X250. 



Fig. 16. — Central portion of flower of Chamaenerion 

 Fig. 17. — Part of flower of Epilobium hirsutum; X25. 

 Fig. 18. — Anther of the same; X125. 



gustij olium ; X25. 



plate xxv 



Fig. 19. — Part of anther of garden Fuchsia (hybrid of F. magellanica); 



200 



Fig. 20. — Part of anther of Oenothera Lamarckiana; 

 Fig. 21. — Flower of 0. biennis; X25. 



Fig. 22. — Anther of O. biennis: ^> 



200 



2 GO 



Fig. 23. — Anthers of 0. Lamarckiana; X50. 

 Fig. 24. — Anthers of 0. grandiflora; X 50. 



