390 



Brack y •romc . In the second census be retained it in the 

 same position, but added the words subgenus of Erigeron i 

 sect. Trimovphaea " It is indeed very difficult to find the 

 most suitable tribe of Compositae in which to place a genus 

 with the trimorphous flowers of a section of Erigeron 

 (Astereae), the short, crown-shaped pappus of Tanacetum 

 and Matricaria ( Anthem ideae), the style of Arctotis (Arcto- 

 tideaej, and several series of stiff, bract-like scales supporting 

 the female flowers, the last-named arrangement being one 

 which appears peculiar to Erodiophyllurn-. 



DESCRIPTION OF PLATES 



Plate XVIII. 



Acacia Bandelliana, W. V. Fitzg. 1, flower. 2, carpel. 



3, part of one valve of pod, with seed. 4, seed. 5, embryo. 

 6, upper part of phyllode. 



Acacia linophylla, W. V. Fitzg. 7, flowering branch from 

 Mount Gunson. 8, carpel. 9, flower. 10, bracbeole. 11, fruit- 

 ing branch from Ooldea. 12, seed. 13, oue valve of pod. 14, 

 upper part of phyllode. 



Plate XIX. 



Ilibbertia crispula, n. sp. 1, base of leaf. 2, bud. 3, petal. 



4, 2 of the 3 carpels and some stamens. 5, carpel split open. 

 6, transverse section of leaf. 



Thryptomene Whiteae, n. sp. 7, young bud within bracteoles. 

 8, bud. 9, the same, turned so that the compression of the calyx- 

 tube is seen. 10, stamen (front). 11, stamen (baek). 12, flower 

 viewed from above. 13, vertical section of flower. 14, leaf 

 (under-side). 15, transverse section of leaf. 16, transverse section 

 of upper part of calyx-tube, showing ovary and 2 ovules. 



Plate XX. 



Erodiophyllurn Elderi, F. v. M. 1, flowering branch. 2, 

 fruiting head. 3, ligulate female flower. 4, short-corollate female 

 flower. 5, bisexual but sterile flower. 6, vertical section of ripe 

 achene, showing seed. 7, upper part of style of bisexual flower. 

 8, upper part of style of female flower. 9, hardened fruiting scale 

 of the short-corollate female flowers. 



Goodcnia strophiolata, F. v. M. 10, flowering and fruiting 

 branch. 11. flower. 12, fruit. 13, vertical section of fruit, show- 

 ing 1 strophiolate seed in place. 



