184 THE FLORA OF THE NOETHERN TERRITORY. 



Flowers clustered, several together. Pedicels sliort,[^not articulate. — 11. 

 S. subspicata. 



II. Calyx 5-aiigled, prominently 10-ribbed. Carpels not reticulate on 

 the sides, and opening in two short valves at the top. Herbs or under shrubs. 



Leaves ovate or narrow, whitish with a close tomentum o" both sides. 

 Carpels 5. — 10. S. spinosa. 



Leaves ovate or narrow, whitish with a close tomentum underneath. 

 Carpels about 10. — 9. S. rhombitolia. 



Leaves broad, cordate (or rarely narrow). Tomentum soft, loose, or 

 velvety. Carpels about 10. — 1. S. cordifolia. 



III. Calyx with 15 or 20 nerves prominent when in fruit. Carpels numer- 

 ous. Styles free to the base. 



Calyx enlarging after flowering, open at the top. — 8. S. platj'calyx. 

 Fruiting calyx very large, membranous, quite closed over the fruit. — 

 4. S. inclusa. 



1. S. cordifolia, Linn.—D&iwia, G. F. Hill (3rd Series, 2), 2/2/1914. 

 Recorded. Port Essington, Armstrong ; N. Coast, Bynoe. 



2. 8. corrugata, Lindl. — 110 miles N. of Survey Camp IV., G. F. Hill 

 No. 409), 1/7/1911. Hugh River, MacDonnell Ranges, G. F. Hill (No. 145), 

 6/5/1911. 



Hermansburg, Finke River, G. F. Hill (No. 84), 13/3/1911. 

 60 miles N.E. of Camp II., G. F. HiU (No. 261a), 7/6/1911. 

 Lat. 19 degrees, Long. 132 degrees, G. F. Hill (No. 84), 13/3/1911. 

 Upper Victoria River, and Sturt's Creek, F. v. Mueller. 



3. S. cryphiopetala, F. v. M. — Brindley's Bluff, MacDonnell Ranges, 

 M'DouaU Stuart. 



4. 8. inclusa, Benth.—QO miles N.E. of Camp II., G. F. Hill (No. 266), 

 7/6/1911. Recorded. Hammersley Range, N.W. Coast, F. Gregory's 

 Expedition. 



5. 8. intricata, F. v. M. — ^About 30 miles N.W. of Twitchera Gap, Mac- 

 Donnell Ranges, G. F. Hill (No. 161), 10/5/1911. Near Mt. Zeal, MacDonnell 

 ranges, G. F. Hill (No. 166), 12/5/1911. 



Recorded. Stony ridges of the Upper Victoria River, F. v. Mueller. 



6. 8. macropoda, F. v. M. — Summits of Sea Range, Head of Hooker's 

 Creek, Arnhem's Land, and GuH of Carpentaria, F. v. Mueller. 



7. 8. physocalyx, F. v. M. — Hammersley Range, N.W. Coast, F. Gregory's 

 Expedition. 



8. 8. platycalyx, F. v. If .—Sturt's Creek, F. v. Mueller. 



9. 8. rhombifolia, Linn. — Eleven-mile Creek, near Katherine, Gilruth and 

 Spencer, July- August, 1911. 60 miles N.E. of Camp II., G. F. Hill (No. 276), 

 7/6/1911. 



Recorded. Port Essington, Armstrong. 



Queensland Hemp, Sida Weed. The ripe capsules cause the death of 

 fowls that feed on it, the sharp pointed capsules causing internal inflammation. 



10. 8. spinosa, Linn. — ^N. Coast, R. Brown ; Upper Victoria River, 

 F. V. Mueller ; Quail Island, Flood. 



11. 8. subspicata, F. v. M. — Gulf of Carpentaria, R. Brown ; Hooker and 

 Sturt's Creeks, F. v. Mueller. 



