278 THE FLOKA OF THE NOETHBRN TEREITOEY. 



3. P. sphaenmihoides, F. v. M.' — Hermansburg, Finke River, G. P. Hill 

 (No. 65), 11/3/1911. 



Recorded. Eiiderby Island, Dampier's Archipelago, N.W. Coast, A. 

 C'unningham ; N.W Coast, Bynoe ; Granite Hills, Nichol Bay, Gregory's 

 Expedition. 



4. P. verhascijolium, F. r. M. — Glenelg River, N.W. Coast, Marten ; 

 between Victoria and Fitzmaurice Rivers, F. v. Mueller. 



P. BilJardieri, F. v. M. : recorded from North Australia in National 

 Herbarium Census. 



17. IXIOLAENA, Benth. 

 1. /. le2}tolepis, Benlh. — Sturt's Creek, F. v, Mueller. Stalked Ixiolaena. 



18. HELICHRYSUM, Vaill. 1737. 



Section I. Xerochlaena. — Perennials,, sometimes almost woody at the 

 base ; rarely also annual. Involucre broad, hemispherical, the outer sessile 

 broad bracts passing more or less gradually into intermediate or inner ones 

 with scarious or linear claws and radiating- coloured laminae. Achenes glab- 

 rous, papillose or rarely shortly villous. — 2. H. bracteatum. 



Section II. Chrysocephalum. — ^Herbs with corymbose flower-heads. 

 Involucre ovoid-turbmate or almost globose, the bracts coloured in many rows 

 scarcely exceeding the florets, appressed or squarrose, ciliate. Female florets 

 in 1 or 2 rows, but not so numerous as the hermaphrodite ones. Achenes 

 glabrous or papillose. Pappus-bristles few, simple at the base, plumose at the 

 end. — 1. H. apiculatum. 



1. H. apiculatum, D. Don. — Hugh River, Macdonnell Range, G. F. Hill 

 (No. 142), 5/5/1911. 



About 90 miles W. of Alice Springs, G. F. Hill (No. 156), 9/5/1911. With 

 racemose inflorescence. Pointed Everlasting. 



Recorded. Arnhem's Land, F. v. Mueller. 



Poisonous according to Greshofi^, anthelminthic. Causes death from 

 irritation and from the formation of hair-balls in the stomachs of stock. 



2. H. bracteatum, Willd. — Port Essington, Armstrong. 



H. oligochaetum, F. v. 31. ; H. Gilesii, F. v. M. ; recorded from North 

 Australia in National Herbarium Census. 



19. LEPTORHYNCHUS, Less. 1832. 



( Aphanorlujwhus, EndL, 1838; Doratolepi-i. Schlechl.. 1847; Rhytidanthes , 

 Beyith., 1837.) Buttons.. 



1. L. ambiguus, Benth. {var. semicalvus, F. v. M). — 20 miles N.W. bv N. 

 of Meyer's Hill, Macdonell Ranges, G. F. Hill (No. 216), 1 /6/l^tl J . 



20. WAITZIA, Wbndl. 1808. 



{Moriia, Lindl., 1837 ; Pterochaeta, Steetz., 1845 ; Vimya, Gavd., 1826.) 



1. W corymbosa, Wendl. — {W. nivea, Benth ; W. odontolepis. Twcz.) 60 

 miles N.E. of (^ainp II., G. F. Hill (No. 263), 1911. Dwarf plants. Immortelle. 



