74 



1. EANUJSrCULACE^. 



ecfcariferous {Callianthemum, Myosurus). Carpels 1-ovuled ; ovule pendulous, raphe 

 orsal. Achenes dry, rarely fleshy {KnowUonia). — Stem herbaceous, erect. Leaves 

 II radical, or the cauline alternate. Mowers often involucrate. 



3. *Thalictrum. — Involucre 0. Sepals 4-5, petaloid. Petals 0. Carpels more or less 

 amerous, on a narrow receptacle ; style short, deciduous, or 0. Achenes often stipitate, 

 bbed, nei'ved, or winged. — Herbs with perennial rootstock. Leaves 2-3-pinnatisect. 

 lowers often polygamous, panicled or racemose, dull green, yellow, purple, or whitish, 

 sually small. Europe, Asia, America. 



4. *Anemoiie. — Involucre usually distant from the flower, of three whorled leaflets. Sepals 

 staloid, 4-20. Petals 0, or represented by the outer stamens changed into stipitate glands, 

 arpels numerous. Achenes in a head, terminated by the persistent ' naked or bearded style, 

 -ocapigerous herbs with perennial rootstock. Leaves radical, lobed, or dissected. Flowers 

 irely yellowish. Stamens shorter than the sepals. Extra-tropical regions. 



Section I. Pulsatilla.— 0\xt%v stamens without anthers, gland-like. Achenes terminated by a 

 ;arded featheiy tail. 



Section II. Anemone. — Stamens all fertile. Aehenes terminated by a short point, not feathery. 



Section III. Hepatica. — Involucre close to the flower, and simulating a calyjc. Axjhenes terminated 

 r a short st}4e, not bearded. 



6, Kuiowltonia. — Sepals 5, herbaceous, deciduous. Petals 5—16, without a nectariferous 

 dIIow. Carpels numerous. Achenes capitate, fleshy or pulpy ; style deciduous. — -Herbs 

 'ith perennial rootstock, and the habit of Umbelliferce. Radical leaves sfciffj ternately decom- 



Tfialicti'um. 



Flower cut vertically 



(mag.). 



Thalictrum, Diasrram. 



Thalictrum 



Thalictrum. 

 Cai-pel entire and cut 

 vertically (mag,). 



