2 1. EANUNCTOACE^. 



A. Anthers extrorse. 



t Fruits (achenes) many, 1-seeded, short. 



X Sepals valvate in the hud. 



Tribe I. CLJEMATIBUJE. Achenes with feathery persistent 

 styles. Seed pendulous. Leaves opposite. 



1. Clematis. Cal. of 4 or 5 sepals. Pet. 0. Carp, not burst- 

 ing, awned. Stam. and styles many. (St. woody.) 



XX Sepals imbricate in the bud. 



Tr. II. ANEMOKEM. Seed pendulous. Leaves radical or 

 alternate. 



2. THAMCTBtTM. Cal. of 4 or 5 sepals. Pet. 0. Carp, not 

 bursting, without awns. Stam. and styles many. 



■3. Anemone. Cal. petal-like, sep. 5 — 9. Pet. 0. Carp, not 

 bursting, tipped ivith the pei'sistent sometimes feathery styles, 

 placed upon a thickened hemispherical or conical receptacle, 

 btam. and styles many. (Fl. involucrate.) 



4. Adonis. Cal. of 5 sepals. Pet. 5 — 10, without a honey- 

 bearing pore. Carp, not bursting, without awns. Stam. 

 and styles many. 



Tr. III. RA.NUNCULEM. Seed erect (except in Myosurus). 

 Pet. with a honey-bearing pore at their base. 



•5. MYOSTJKtrs. Cal. of 5 sepals, prolonged into a spur at 

 the base. Pet. 5, with a filiform tubular claw. Stam. 5. 

 Styles many. Carp, not bursting, closely imbricate upon a 

 long filiform receptacle. Seed pendulous. 



6. RANTJNCHLxrs. Cal. of 6, rarely 3, sepals. Pet. 5, rarely 

 many, with a honey-bearing pore naked or covered by a 

 scale. Carp, not bursting, collected into a globular or oblong 

 mass. Stam. and styles many. 



ft Fruits (follicles) many-seeded, bursting, long. 



Tr. IV. HELLEBORES. Stam. many. (Pet. small, often 

 abnormal or wanting.) 



* Flowers regular. 



7. Caltha. Cal. of 5 petal-like deciduous sepals. Pet. 0. 

 FoUicles 5—10. 



