RANUNCULACE.E. 11 



Tribe II. ANEMONEiE. — Sepals imbricated in aestivation, colored, 

 deciduous. Petals none, or rarely some small and flat staminodia. Ovaries 

 several or numerous, forming- achenia in fruit. Ovule solitary, suspended ; 

 the raphe dorsal (except in Trautvetteria). — Erect perennial herbs. Floral 

 leaves often opposite or whorled, forming an involucre. 



Pulsatilla. (Plate 3.) Petals small and glandular, like transformed 

 stamens. Achenia caudate with long plumose-hairy styles. Other- 

 wise as in Anemone. 

 Anemone. (Plate -1.) Petals none. Achenia beaked with the naked or 

 hairy style. Cauline leaves forming an (usually compound or dis- 

 sected) involucre, and sometimes involucels, remote from the flower. 

 Hepatica. (Plate 5.) Petals none. Achenia pointed with a short naked 

 style. Involucre of 3 sepaloid leaves placed close under the flower, 

 at the summit of the otherwise naked and simple scape, imitating a 

 calyx. Otherwise as in Anemone. 

 Thalictrum. (Plate 6.) Petals none. Achenia ribbed, 3-winged, or 

 inflated, tipped with a sessile stigma or short naked style. Involucre 

 none, or like the other leaves. (Ovule and seed suspended.) 

 Trautvetteria. (Plate 7.) Petals none. Sepals very caducous. 

 Achenia inflated, 4-angled, tipped with a recurved-uncinate stigma. 

 Involucre none. Ovule and seed erect ; the raphe ventral. 



Tribe III. RANUNCULEjE. — Sepals imbricated in aestivation, often 

 herbaceous, deciduous. Petals conspicuous, imbricated in aestivation. Ova- 

 ries numerous, forming achenia in fruit. Ovule solitary. — Herbs. Cauline 

 leaves alternate. 



Subtribe I. Adonide.e. — Ovule and seed suspended ; the raphe dorsal. 

 — § 1. Petals inappendiculate. Adonis, Hamailryas, Knowltonia? §2. Pe- 

 tals with a tubular or glandular base or claw. Aphanostimma, Calliantke- 

 mum, Cyrtorhyncha, and 



Myosurus. (Plate 8.) Sepals spurred at the base. Petals linear-spatu- 

 late. Achenia spiked on a long receptacle. — Minute annuals. 

 Leaves all radical, linear. 



Subtribe U. Ficariex. — Ovule and seed ascending or erect ; the 

 raphe ventral. Petals squamiferous or foveolate at the base. — Ceratocepha- 

 lus, Ficaria, and 



Ranunculus. (Plate 9.) Sepals 5, deciduous. Achenia compressed, 

 pointed, in a globular or cylindrical head. 



Tribe IV. HELLEBORLNE^E. — Sepals imbricated in aestivation, 



petaloid, mostly deciduous. Petals tubular, bilabiate, spurred, stamen-like, 

 or none. Ovaries few or several, follicular in fruit. Ovules few or many ; 

 the raphes collateral. — Leaves all alternate. 



* Flower regular. Follicles several-seeded. Herbs. 

 Caltha. (Plate 10.) Petals none. Follicles several, compressed, ses- 

 sile, many-seeded. — Leaves undivided. 

 2* 



