| 1. | Basidia clavate, in most cases pleurobasidiate, with four sterigmata.
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| 2. | The sterigmata are between 1.6 and 7 ?m long.
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| 3. | Basidia each have four 4 �m-long, spore-bearing sterigmata.
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| 4. | The sterigmata are 4 5 ?m in length.
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| 5. | They are four-spored, with sterigmata up to 3.2 �m long.
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| 6. | The basidia are four-spored, and have inflated sterigmata with a central constriction.
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| 7. | Basidia are club shaped with four sterigmata, and have a clamp at the base.
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| 8. | They have sterigmata ( slender projections that attach the spores ) that are 5 7 �m long.
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| 9. | It forms club-shaped basidia with four apical sterigmata on which oval, hyaline basidiospores are borne.
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| 10. | They are four-spored, with the spores attached to sterigmata that are 8 10 ?m long.
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