Guide to Liverworts of Oregon: Key to Genera 10

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1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7b no small dorsal lobe > 10


Left: SUCCUBOUS; Right: TRANSVERSE. Succubous and transverse are the most common modes of leaf insertion.


10a Leaves succubous (with stem tip up, the leaves overlap like a Venetian blind turned down) or transverse (leaf inserted at right angles to stem).
(Couplet 11)


INCUBOUS IS THE LESS COMMON MODE OF LEAF INSERTION.


10b Leaves (or large dorsal lobes of leaves) clearly incubous
(with stem tip up, the leaves overlap or are angled like a Venetian blind turned up).
(Couplet 20)


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