280 THE FLOEA OF THE NOETHERN TEEEITOEY. 



25. ECLIPTA, Linn. 



1. E. platyglossa, F. v. M. — Islands of the Gulf of Carpentaria, E. Brown, 

 Henne ; Albert and Roper Rivers, F. v. Mueller. Yellow Twinhead. 



E. alba, Hassh. ; E. latifoUa, L. ; recorded from North Australia in 

 National Herbarium Census. 



26. WEDELIA, Jacq. 



(Wollastonia, D. G.) 



Five or six of the outer involucral bracts more leaf -like and longer than the 

 others. Pappus cup-shaped. — 3. W. urticifolia. 



Outer involucral bracts not longer than the inner ones. 



Pappus small and cup-shaped in the centre of the achene, and 

 sometimes 1 or 2 teeth or small bristles from the angles. — 4. W. 

 verbesinoides. 

 Pappus none or of 1 or 2 deciduous bristles. 



Straggling perennial. Leaves ovate or broadly ovate-lanceolate. 

 —2. W. biflora. 



Erect coarse annual. Leaves lanceolate. — 1. W. asperrima. 



1. W. asperrima, Benth.- — ^Victoria River and Sturt's Creek, F. v. Mueller. 



2. W. biflora, D. G. — Islands of the Gulf of Carpentaria, R. Brown ; 

 South Goulburn Island, A. Cunningham ; Keppel Bay, Thozet. 



3. W. urticifolia, D. C. — Grassy rocky places, Goulburn Island, A. 

 Cunningham ; Islands of the Gulf of Carpentaria, R. Brown. 



4. W. verbesinoides, F. v. M. — N. Australia, F. v. Mueller ; Amhem's 

 Bay, R. Brown ; Finke River, M'Douall Stuart's Expedition. 



27. SPILANTHES, Linn. 



Flower-heads with yellow rays.^ — 2. S. grandiflora. 

 Flower-heads discoid, without rays. — 1. S. anactina. 



1. 8. arvactina, F. v. M. — ^Islands of the Gulf of Carpentaria, R. Brown, 

 Henne. 



2. 8. grandiflora, yitrcz.— Sturt's Creek, F. v. Mueller. 



28. GLOSSOGYNE, Cass. 

 (Diodontium, F. v. M.) 



Leaves alternate, pinnate. Ray- florets few. Disk- florets 4-toothed. — 

 2. G. tenuifolia. 



Leaves opposite, entire, slender. Ray- florets wanting. Disk- florets .5- 

 toothed. — 1. G. filifolia. 



1. G. filifolia, F. v. M. — Sources of Hooker's Creek, F. v. Mueller. 



2. G. tenuifolia, Cass. — Goulburn Island, A. Cunningham. 



29. BIDENS, Linn. 



1. B. bipinnata, Linn. — Victoria River, F. v. Mueller; Islands of the 

 GuU of Carpentaria, R. Brown. Bur-marigold. 



