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Description
Primitive ferns (Psilophytatae):
- 1(d). Psilotum, rhizome showing protostele t.s.
- 2(d). Psilotum, stem showing squamous leaves, aktinostele t.s. Clubmosses (Lycopodiatae)
- 3(c). Lycopodium, of stem showing plectostele t.s.
- 4(e). Lycopodium, of strobilus showing isospores t.s.
- 5(c). Selaginella, stem showing siphonostele t.s. Horse-tails (Equisetatae)
- 6(c). Equisetum, stem t.s.
- 7(d). Equisetum, strobilus showing spores t.s.
- 8(b). Equisetum, w.m. of spores with elaters Ferns (Filicatae)
- 9(c). Aspidium, root t.s.
- 10(c). Aspidium, stem t.s.
- 11(d). Aspidium, leaf showing sori t.s.
- 12(f). Aspidium, w.m. of prothallium showing antheridia and archegonia
- 13(d). Pteridium, rhizome t.s.
- 14(d). Osmunda, royal fern, rhizome with ectophloic siphonostele t.s.
- 15(d). Phyllitis scolopendrium, hart's tongue fern, leaf with sori and sporangia t.s.
Specifications
Specifications
| Type | Ferns/Allies |
| Quantity | 15 |
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