NATURALISED FLORA OF 

 SOUTH AUSTRALIA. 



DIVISION 1.- -DICOTYLEDONS. 



Embryo with 2 cotyledons ; stem herbaceous or vroody ; 

 leaves with branching nerve.s. 



Cl.\ss 1.— THALAMIFLOR^E. 

 Flowers with 2 envelopes (calyx and corolla) ; petals 

 distinct, inserted,, as are also the stamens, upon the re- 

 ceptacle (tliaUnnxis). and not upon the calyx; ovary free. 



Family 1.— RANUNCULACE/E. 



1. Ranuncclus. L. 



Sepals and petals 5, the petals with a nectar scale at 

 base; stamens numerous; carpels several, distinct, beaked, 

 1-seeded, arranged in globular or oblong heads. Flowers 

 solitary ; leaves alternate ; herbs. 



Carpels covered with sharp points, and with 



a stout incurved beak R. mvricatus 1 



Carpels with blunt protuberances and a 



short boak If. fiachi/carpns 2 



1. Ranunculus muricatus, L. Stout, spread- 

 ing annual, almost glabrous; leaves circular-cordate, with 



3 broad incised lobes, the upper- 

 movst leaves narrower ; petals 

 yellow, longer than the recurved 

 sepals ; receptacle globular ; car- 

 pels 8-16, large, compressed, with 

 a broad, sharp keel and a broad, 

 curved beak, half the length of 

 the carpel, whose sides are 

 covered with spiny tubei'cles. 



Moist places in settled dis- 

 tricts — Flowers Sept. -Oct. — Me- 

 V''^'*^^^ \\ \ity^ diterranean region. 



vSii^M^.l^ AV ....'X.-f< 2. R. trachycarpus, Fis- 



cher and ^leyer. Resembles the 

 preceding in habit, but is 

 sprinkled with a few weak hairs; 

 lower leaves either pinnatisect, 

 with 3 distant, oval, incised seg- 

 ments, or palmately 3-lobed as in 

 It. muricatus; petals small, yel- 

 low, notched, slightly exceeding 

 the spreading sepals; receptacle 



Ranunculus muricatus. 



