BANUNGULACEJE. 81 



unequal, in pairs opposite the sepals (posterior 2 calcarate, or 

 cucullate and unguiculate ; lateral and anterior, either wanting, or 

 6 of variable form, often reduced to minute scales). Stamens cc, 

 free inserted in a spiral ; anthers introrse, dehiscing longitudinally. 

 Carpels 1 — 5, sessile free multiovulate, when ripe dehiscing as 

 follicles. — Annual or perennial herbs; leaves alternate, palmatifid or 

 compound; flowers racemose '1-hrsLcieola.te {Europe, Asia, N. America). 

 Seep. 23. 



II. RANUNCULE.E. 



10. Ranunculus Hall. — Calyx 5-, more rarely 3-merous, imbri- 

 cate usually deciduous. Petals 3 — 20, with a nectariferous pit at 

 the base furnished with a scale of variable form or 0, impressed 

 imbricate forming a single or double corolla, more rarely wanting 

 entirely. Stamen? go free, spirally inserted on a convex receptacle of 

 variable form ; anthers basifixed, lateral or extrorse, dehiscing longi- 

 tudinally. Carpels oo uniovulate ; ovule usually ascending ; raphe 

 introrse ; micropyle extrorse inferior. Achenes as many as the 

 carpels, capitate, coriaceous or membranous. Flowers often poly- 

 gamous or dioecious. — Annual, or often perennial herbs ; leaves 

 alternate, entire or dissected, more rarely palmatifid. Flowers 

 solitarj^ terminal, or cymose pseudo-cor3'mbose or umbellate {co/d 

 and tenqjcrate regions of nearly the whole loorld, morerareli/ the Tropics). 

 See p. 32. 



11 . Myosurus Dill. — Calyx 5 — S-merous : sepals with descending 

 spurs, Petals (?) as many, small linear-tubulate nectariferous, or 0. 

 Stamens and carpels of JtanuncuJns spirally inserted on an elongated 

 branch-like receptacle ; ovules solitary, pendulous in each ovary ; 

 micropyle introrse superior ; raphe dorsal. Achenes go spicate. — 

 Annual herbs with entire leaves. Flowers pedunculate, solitary, 

 terminal {tenqjeraie regions nearly all over the world). See page 40. 



12. Anemone Hall. — Perianth 4 — cc-merous ; leaves petaloid, or 

 the outer ones more or less herbaceous, imbricated in one or more 

 whorls. Stamens and carpels of Ranioicnliis spirally inserted on a 

 conoidal or globose receptacle ; outer stamens sterile and antherless, 

 or more usually all fertile ; anthers with lateral cells subintrorse or 



VOL. I. G 



