Description

1. Marchantia polymorpha, section of thallus.
2. Marchantia, section with archegonia.
3. Marchantia, section with antheridia.
4. Spore of Equisetum arvense (show elater) whole mount.
5. Moss, lateral section of anteridial cluster.
6. Microsporange of Seleginell lateral section.
7. Moss, prtonema whole mount.
8. Epiphyte fern (Platycerium)
9. Fern, section of leaf.
10. Fern transversal section of rhizome.
11. Fern protallium of young specimen with antheridia.
12. Fern protallium of mature specimen with archegonia.
13. Gemma of Marchantia whole mount.
14. Archyblast of Chara whole mount.
15. Gingko transversal section of leaf and petiole.
16. Pinus transversal section of leaf.
17. Pinus first year stem.
18. Pinus, mature wood section rad.
19. Pinus, mature wood section tang.
20. Pinus, section of young strobilus showing meiosis.
21. Pinus, median lateral section of male strobilus.
22. Pinus transversal section of male strobilus with microspore.
23. Pinus, whole mount of pollen grains.
24. Pinus lateral section of young female cone with bracts and ovules.
25. Fir tree, leaf tip