JOURNAL OF MICROSCOPICAL SCIENCE. 
EXPLANATION OF PLATE IV, 
Illustrating the notice of Elfving^s researches on Pollen- 
bodies of the Angiosperms/’ 
Fig. Anthericum ramosum. 
1. — Young Pdlen-body after division, x 300. 
2—4. — Devebpment of the vegetative cell. X 300. 
5. — Metamorphosis of the nucleus of the large cell. X 300. 
6. — Ripe Polbn-body. x 300. 
7. — Branchedtube. x 230. 
Anthericum liliago. 
8. — Ripe Polbn-body, one nucleus star-shaped, x 300. • 
Tulipa Gesneriana. X 320. 
9 — 11. — Devdopment of the Pollen-body from formation of vegetative 
cell to being fuly ripe. 
12. — Vegetatve cells pressed out. 
13. — Duplicaure of vegetative cell. 
14. — Point ol the Pollen-tube. 
Ornithogalum pyramidale. X 450. 
15. — Vegetatve cell with thick side walls. 
16. 17. — Rip' Pollen-bodies. 
18. — Pressedout vegetative cells ; at o treated with osmic acid. 
Leucojum oestivum, x 400. 
19. — Young ?ollen-body after division. 
20. — The sane after treatment with osmic acid. 
21. — The veptative cell loosened ; at o with osmic acid. 
22. 23. — Rip Pollen-bodies ; o, a vegetative cell with osmic acid. 
24. — Pressedout nucleus and vegetative cell ; osmic acid. 
25. — Pollen-ube. Nuclei after one another. 
Narcissus poeticus. 
26. — Euterig of the nuclei into the tube. 
27. — The poterior nucleus divided. 
Iris siberica. X 350. 
28. 29.— Cflshed-out Pollen-bodies; in 28 the walls of the vegetative 
cell are seen, n 29 the whole cell. 
Iris xiphium. X 300. 
30. — Tubeend. The nucleus of the larger cell is characteristically 
lengthened ot. 
Tradescantia virginica. X 300. 
31. — Your Pollen -body after division. 
32 — 37. -development of the bodies up to ripeness. 
Convallaria mulliflora. 
38. — For ation of two vegetative cells. X 350. 
39. —Rip Pollen-body, x TOO. 
Asparagus officinalis. 
40. — Aringement of the vegetative cell, x 600. 
