:232 THE FLOEA OF THE NORTHBEN TEERITOBY. 



1. CORDIA, Linn. 



1. C. subcordata, Lam. — ^Islands of the Gulf of Carpentaria, R. Brown, 

 Henne ; Port Essington, Armstrong ; Escape Cliffs, Hulls. 



2. EHRETIA, Linn. 



1. E. saligna, R. Br. — ^Islands of the Gulf of Carpentaria, R. Brown ; 

 Victoria River, F. v. Mueller. Wood useful in turnery. False Cedar. 



3. COLD'ENLA,, Linn. 



1. C. procumbens, Linn. {Lobophylhom, F. v. M.). — Victoria River. 

 Sturt's Creek, and upper Roper River, F. v. M. 



4. HALGAJSriA, Gaud., 1826. 



Scabrous-pubescent or nearly glabrous shrubs or undershrubs. 



Leaves entire or obtusely toothed. Corolla-lobes broad, usually obtuse. — 

 1. K. solanacea. 



Glandular-glutinous, small branching shrubs, nearly glabrous or with a 

 very short appressed pubescene. — 2. H. cyanea. 



■1. H. solanacea, F. v. Jf.— Camp IV., Lander Creek, G. F. Hill (368), 

 21/6/1911. 



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

 between the Bonney River and Mount Morphett, M'Douall Stuart. 



2. H. cyanea, lAndl. {H. strigosa, Schlecht). — Forty miles N.N.W. of 

 Meyer's HiU, G. F. Hill (229), 2/6/1911. 



5. TOURNEFORTIA, Linn. 



Corolla lobes longer than the tub©, imbricate in the bud. Foliage ajid 

 inflorescence densiely silky tomentose. — 1. T. argemtea. 



Corolla lobes shorter than the tube, plicate and induplioate in the bud. 

 Foliage tomentose hirsute or nearly glabrous. — 2. T. mollis. 



1. T. argentea, Linn. — Islands of the GuH of Carpentaria, R. Brown 

 Henne ; Sweer's Island, A.' Cunningham. 



2. T. mollis. F. v. M. — ^Montague Sound, A. Cunningham. 



6. HELIOTRO'PIUM, Linn. 1735. 



Bourjotia, Pomel., 1874 ; Bucanion, Stev., 1851 ; Dialion, Rafin., 1838 

 Euploca, Nutt., 1837; Heliophytum, DC, 1845 ; Hieranthemum, Spach., 1840 

 Piptoclaina, G. Don., 1837 ; Preslaea, Mart., 1827 ; Preslea, Spreng., 1827 

 Sarcanthus, T^derss., 1855 ; Schleidenia, Endl., 1839 ; Schobera, Scop., 1877 

 Tiaridium, Lehm., 1818.) Heliotrope. 



Sectioitt I. — Platygyne. Stigma nearly sessile, umbrella-shaped, with- 

 out' any distinct central cone. — 5. H. curassavicum. 



Section II. — Euheliofropium. Stigma, a thick ring at the base of or 

 round a central cone or point. Anthers obtuse or shortly acuminate, not 

 cohering. Throat of the corolla not bearded. 



Flowers in soorpioid forked or rarely simple spikes, without bracts. 

 Leaves petiolate or contracted at the base. 



Style shorter than the stigma. — 15. H. undulatuir. 

 Style longer than the stigma. — 3. H. crispatum. 



