(id) 



2. Paeonia. — Sepals 5, herbaceous, carpidia 

 distinct from the beginniug. 



3. Aquilegia. — Sepals petaloid. Petals fun- 

 nel-shaped, calcarate. 



B. Ovaries 1 -ovulate, {ndehiscent. Fruit, akenes^ 



a. Estivation of sepals imbricate. 



1. Ranunculus. — Petals unguiculate, claws 

 shorter than the lamina, a nectarium 

 near each claw. 



2. Mjosurus. — Claws of the petals longer 

 than the lamina. 



3. Anemone. — Sepals petaloid. Petals 0. 

 Thalamus convex, conical. 



4. Thalictrum. Sepals petaloid. Petals 0. 

 Thalamus flat, discoid. 



b. Estivatio)! of sepals valvate. 



1. Clematis. — Sepals 4, petaloid. Petals 0. 



DIDYNAMIA. 

 I. Gymnospermia. 



A. Stamens and style enclosed. An interrupted 



ring of hairs in the corolla below tlie in- 

 sertion of the stamens. 



1. Marrubium. — Akenes flat at their tops. 



B. Style always eocserted. An uninterrupted 



ring of hairs in the corolla below the inser- 

 tion of the stamens. 

 3 



