BY R T. liAKER. 769 



5-10 divisions, except outer lobes which have accessory lobes. 

 Petals entire, imbricate, obtuse, semicircular, contracted at the 

 base. Stamens 10, in a ring at the base of the petals, filaments 

 inclined to vary in length, being alternately long or short. 

 Staminodia alternating with the stamens, ligulate, rather shorter 

 than the stamens. Anthers globular, with two parallel cells 

 opening by minute pores at the summit, or in centre of cells. 

 Connective prominent, forming a central column to which the 

 anthers are adnate for their entire length. Ovary 1-celled. Ovules 

 about 8, attached to a peltate placenta connected with the base of 

 the ovary by a filiform attachment, the top of the placenta 

 bifurcating into two horn-like processes. Style well exserted, 

 twice the length of the calyx-tube, thick at the base and tapering 

 upwards. 



Analysis of cognate fjenera. 



Calyx cylindrical, Johes broad, entire or shortly ciliate, flowers in 

 heads. Darwinia, Rudge. 



Calyx cylindrical, Johes 5, suhulate, entire, flowers in heads. 



HOMORANTHUS, A. Cunn. 



Calyx cylindrical, lobes 5-10 digitately divided, flowers nodding, 

 not ill heads. Rylstonea, g.n. 



Calyx liemispJierical, lobes 5 or 10 deeply divided into subulate 

 plumose or Tiair-liJce processes, Jloicers in corymbose heads. 



Yerticgrdia, DC. 



In Bentham and Hooker's Genera Plantarum, Vol. iii., p. 692, 

 the three genera Darwinia, Homoranthus, and Verticordia, of 

 Rudge, Cunningham, and De Candolle respectively, are kept 

 distinct, as in Bentham's Flora Australiensis, although Baron 

 von Mueller, in his Second Census of Australian Plants, has 

 synonymised Homoranthus under Darioinia. 



Speaking generally, Darwinia is distinguished from Homo- 

 ranthus by its broad, entire calyx-lobes, the latter genus having 

 subulate entire lobes. There are of course some minor differences, 

 but the two genera, although closely allied, ase distinct, and I 



