| 1. | The sori are covered in a kidney shaped indusium which is smooth.
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| 2. | Inside the pod are several seeds usually yellow or tan and kidney shaped.
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| 3. | The leaves are rounded or kidney shaped, generally with broad, somewhat rounded teeth.
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| 4. | It kidney shaped and lies almost parallel to the shoreline.
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| 5. | The reniform spot is kidney shaped, infuscated with dark-brown shading from the medial line.
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| 6. | These immature larvae feed individually between the leaf surfaces, creating blotchy kidney shaped mines.
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| 7. | Both are elongated and kidney shaped, snuggling close to the spine to spread the weight.
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| 8. | The cages are very large and usually kidney shaped.
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| 9. | Holmes Lake is kidney shaped, and the Boys'Club camp was on one shore of the lake.
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| 10. | The steep visual surface is kidney shaped.
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