144 THE FLORA OF THE NORTHERN TERRITORY. 



Leaves all pinnately 3-foliolate, or the lower ones rarely l-foUolate. 



Calyx lower lobe much longer than the lateral ones. Leaflets entire. 

 Flowers in dense heads. Calyx very hispid, the lower lobe long- 

 lanceolate. Petals shorter than the calyx. — 9. P. plumosa. 

 Flowers in interrupted spikes. Petals longer than the calyx. 

 Calyx pubescent.— 10. P. pustulata. 



Calyx densely clothed with soft white woolly hairs. — 5. P. 

 lachnostachys. 

 Calyx lower lobe scarcely exceeding the upper ones. Leaflets usually 

 toothed. 



Calyx softly silky -villous or black, 2 to 4 hues long, completely 



concealing the pod. — 8. P. patens. 

 Calyx hoary -tomentose or shghtly pubescent, 1 to 1| lines long, 



open when in fruit, and scarcely exceediag or shorter than 



the pod. 



Leaflets ovate or elhptical, mostly f to 1 in. long. — 4. P 



cinerea. 

 Leaflets oblong or lanceolate, 1| to 3 in. long. — 6. P. 



leucantha. 

 Leaves digitately 3-foholate. Leaflets entirei. — 7. P. luteosa. 



1. P. Archeri, F. v. M. — Upper Victoria River, F. v. Mueller. 



2. P- badocana, Benth. — Maude Creek, and Eleven-Mile Creek, near 

 Katherine, Gilruth and Spencer, July- August, 1911. Gulf of Carpentaria, R. 

 Brown ; N. Coast, A. Cunningham ; Port Essington, Armstrong. 



3. P. balsamica, F. v. M. — Van Alphen River, F. v. Mueller ; Attack 

 Creek, M'Douall Stuart. 



, 4. P. cinerea, Lindl.— Lake Woods, G. F. Hill (No. 486), 2/8/1911. 

 Victoria River, Bynoe ; F. v. Mueller ; Gulf of Carpentaria, Landsborough. 



5. P. lachnostachys, F. v. M. — Nichol Bay, F. Gregory's Expedition. 



6. P. leucantha, F. v. M. — Survey Route, lat. 19 degrees, 16 min. S., 

 G. P. Hill (No. 429), 4/7/1911. 



Recorded. Hammersley Range, Nichol Bay, F. Gregory's Expedition ; 

 gravelly Banks of the Victoria River, P. v. Mueller, Bynoe ; Attack Creek, 

 M'Douall Stuart ; Arnhem's Land, F. v. Mueller ; Gulf of Carpentaria, Lands- 

 borough. 



7. P. luteosa, Ewart and Morrison. — N.T., N. of lat. 15 degrees S., W. S. 

 Campbell, September 1911. 



8. P. patens, Lindl. — Abraham's Lagoon, Gilruth and Spencer, July- 

 August, 1911. 



Recorded. Victoria River, F. v. Mueller ; Attack Creek, M'Douall 

 Stuart's Expedition. 



9. P. plumosa, F. v. M. — Hooker's Creek, F. v. Mueller. 



10. P. pustulata, F. v. ilf.— Newcastle Waters, G. F. Hill (No. 474), 

 17/7/1911. 



Recorded. Victoria River, and sources of Nicholson River, Gulf of Car- 

 pentaria, F. V. Mueller ; Nichol Bay, F. Gregory's Expedition. 



11. P. Schultzii, F.v. Jf.— Batchelor Farm, G. F. Hill (2nd Series, No. 83), 

 17/7/1913 



