194 THE FLORA OF THE NORTHERN TERRITORY. 



2. P. dilatatum, Benth. — ^Macadam Range, F. v. Mueller. 



3. P. junceum, Benth. — Near Darwin, Gilruth and Spencer, July-August, 

 1911. 



Recorded. N. Coast, R. Brown ; Victoria River, Bjmoe. 



P. sphenandrum, F. v. M. ; recorded from North Australia in Nat. Herb. 

 Census. * 



GUTTIFERiE. 



{Hypericinece.) 

 1. HYPERICUM, TouRN. 1737. 



( Adenosepalum, Fourr, 1868 ; Adenotrias, Javb. and Spach, 1842 

 Ancistrolobus, Spach, 1836 ; Androsaemum, Tourn, 1763 ; Ascyreia, Choisy 

 1821 ; Brathys, Mutis., 1781 ; Elodea, Juss., 1789 ; Elodes, Adans., 1763 

 Episiphis, Bafin., 1836 ; Hyporicopsis, Opiz., 1852 ; Martia, Spreng., 1818 

 Pancalum, Ehrh., 1789 ; Beceveura, Veil., 1827 ; Sarothra, Linn., 1751 

 Tridia, Korth.,\S'&& ; Tripentas, Gasp., 1858 ; Ascyrum). St. John's Wort. 



1. H. japonicum, Thunb. [H. gramineum, Forst). — Camp III., Lander 

 Creek, G. F. Hill (No. 312), 10/6/1911. Lesser St. John's Wort. 

 Recorded. GuH of Carpentaria, R. Brown. 



Calophyllum iTwphyllum, Linn, and C. Soualatti, Burm ; recorded from 

 North Australia in Nat. Herb. Census. 



ELATINACEffl. 



1. BERGIA, Linn. 1771. 



(Bergieria, Neck., 1790 ; Lancretia, Del., 1813 ; Merimea, Cambess, 1829 ; 

 Sphonodylococea, Willd., 1820). 



Flowers smaU, clustered in the axils. Stamens of the same number as 

 the petals and sepals. 



Stems pubescent. — 1. B. ammannioides. 

 Stems quite glabrous. — 4. B. pusiUa. 

 Flowers sohtary, pedicellate. Stamens twice the number of the sepals and 

 petals. 



Erect annual. Pedioals elongated. Filaments all equal. Styles 



short. — 2. B. pediceUare. 

 Stem woody, prostrate and tortuous. Pedicels short. Outer filaments 

 much broader. Styles filiform.- — 3. B. perennis. 



1. B. ammannioides, Both. — Camp III., Lander Creek, 6. F. HiU (Nos. 

 305 and 315), 10/6/1911. Water-fire. 



Recorded. Gravelly bed and banks of Victoria River. Sturt's Creek, and 

 their affluents, F. v. Mueller. 



2. B. pedicellaris, F. v. M. — Careening Bay, N.W. Coast, A. Cunning- 

 ham ; gravelly beds of the Victoria and Fitzmaruice Rivers and along their 

 affluents, F. v. Mueller. 



3. B. perennis, F. v. M. — Banks of the Rice Swamps, near Sturt's Creek, 

 F. V. Mueller. 



4. B. pusilla, Benth. — Roper River in Arnhem's Land, F. v. Mueller. 

 Elatine americana, Arnot ; recorded from North AustraUa in Nat. Herb. 



Census. 



