| Mature fertile stem with ripening cone. |
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Main stem branch junction. |
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| Young sterile stem with branches just emerging. Oxfordshire, April |
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Young sterile stem with branches just emerging. Oxfordshire, May |
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| Young sterile stem with branches just emerging. Oxfordshire, May |
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Young fertile stem with cone and side branches starting to develop. Oxfordshire, May |
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| Young sterile and fertile stems. Oxfordshire, May |
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Young fertile stems. Oxfordshire, May |
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| Developing cone. Oxfordshire, May |
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Developing cone. Oxfordshire, April |
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| Lower part of sterile stems. Oxfordshire, April |
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Section through main stem. Oxfordshire, April |
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| Sterile stems emerging. Oxfordshire, April |
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Fertle stem with developing cone emerging. Oxfordshire, April |
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| Fertile stem with cone and branches developing. Oxfordshire, April |
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Oxfordshire, September |
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| County Durham, late July |
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Yorkshire, late July |
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| 'Polystachion' variety, Yorkshire, late July |
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'Polystachion' variety, Yorkshire, late July |
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| 'Polystachion' variety, Yorkshire, late July |
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'Polystachion' variety, Yorkshire, late July |
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| 'Polystachion' variety, Yorkshire, late July |
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'Polystachion' variety (detail), Yorkshire, late July |
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