| 21. | The peristome is often yellowish-green with brown stripes.
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| 22. | The peristome ranges from 55-75 ?m in diameter.
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| 23. | The peristome is flattened and expanded, reaching 15 mm in width.
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| 24. | Peristome is expanded and reflexed, pinkish-brown or flesh tinted.
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| 25. | The peristome is thin, membranaceous, columellar margin much curved inwards.
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| 26. | The peristome is expanded or reflected, continuous and usually free throughout.
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| 27. | The peristome is cylindrical and measures up to 3 mm in width.
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| 28. | The circular area bordering the peristome is a paler color.
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| 29. | The peristome of upper pitchers often has a slightly lobed outer margin.
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| 30. | Both the peristome and lid range in colour from green to yellow.
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