NATUB.iL HISTORY OF PLANTS. 



vertical rows, wliicli always remain in the state of cellular tubercles. 

 IJesitles this the receptacle is convex ; the stamens are numerous, as 

 well as the carpels. All the other characters are variable. Take, 

 lor instance, the flower of J. alba Juss. (figs. 77, 78), or of any 



Fig, 77. 

 Flower. 



Anemone alha. 



Fig. 78. 



Longitudinal section of flower. 



of the many allied species ;^ we see that the calyx is formed of five 

 petaloid sepals quincuncially imbricated in the bud, and that the 

 stamens are all fertile, each having a basifixed two-celled anther 

 dehiscing by two nearly lateral clefts.^ The ovaries are surmounted 

 by a horn-shaped style of variable length, glabrous or hairy.^ The 

 flowers are terminal, and accompanied by a leafy involucre placed on 

 the axis at a variable distance from the perianth. The other 

 species of this genus have their flowers exactly similar in all 

 fundamental points ; but the number of pieces in the perianth 

 is often increased, so that we sometimes find six, three outside, 

 and three interior to these, alternate with them, and thinner 



' See Ohs. siir les Ovules des Anemones et de 

 quelques atitres Renonculacces [Adansonia, i. 

 331), and ilvm. stir la Fam. des Renonculacces 

 (Adaiisonia, iv. 52). It is only in exceptional 

 cases that we see two, three, five, or six cellular 

 prominences answering to abortive ovules. 



- Which all belong to sections iv. {Anemo- 

 nanthea) and v. {Anemonopsis) admitted by De 

 CANDOLtE {Prodr., i. IS, 21), in the genus 

 Anemone. 



^ The cleft is often turned rather inwards than 

 outwards. This occurs in A. alba, pennsi/lvanica 

 {Adansonia, iv. IG), narcissijlora, nemorosa, &c. 

 The contrary is little marked in A. japonica 

 {alba), ranunculoides, &e. The lilanients arc 



usually unequal, the lower being usually the 

 shorter. We have also pointed out {Adansonia, 

 i. 337) the two glandular projections found on 

 each side of the top of the filament in a large 

 number of species. 



^ Several authors following De Candolle's 

 example have made use of this character to esta- 

 blish sections of the genus. Thus, Pulsaiilla 

 {^Prodr., i. 16,) and Preonanlhus (17) have carpels 

 surmounted by long bearded styles like those 

 of certain species of Clemat'is. The sections 

 Anemonanthea, Anemonospermos, and Omalo- 

 carpus (21) are, on the contrary, marked by 

 styles that project but little. 



