THE FLORA OF THE NOETHEBN TBBEITORY. 199 



2. BARRINGTONIA, Foest. 1776. 



( Agasta, Miers, 1875 ; Baranda, Llanos, 1859 ; Botryoropis, Presl., 1849 

 Butonica, Juss., 1789 ; Doxmnma, Miers., 1875 ; Megadendron, Miers., 1875 

 Menichea, Sonner., 1776 ; Meteorite, Lour., 1790 ; Mitraria, 0. F. Gmel., 1791 

 Stavadium, Juss., 1789 ; Saamstravadi, Bheede ; Michelia, Linn. ; Hultum, 

 Adans.). 



1. B. acutangula, Oaertn.—BoTroloola,, G. F. HUl (No. 617), 9/10/1911. 

 Tree on river banks. 



Recorded. Rivnlets of M'Adam Range, and Fitzmaurice River, F. v. 

 MueUer. • 



2. B. australis, F. v. JIf .— Near McArthur River, G. F. Hill (No. 589), 

 17/9/11 ; Darwin, Spencer and Gilruth, 1911 ; Sir Baldwin Spencer, 1913 

 (Mr. Gheel). 



3. SONNERATIA, Lnw. 



1. S. acida, Linn. — Frequent ia bogs on the North and N.W. Coast, A. 

 Cunningham. 



RfflZOPHORACEiE. 



Calyx-segments longer than the tube. Seeds without albumen, germinat- 

 ing before falling. 



Calyx-segments and petals 4. Stamens 8 to 12. Fruit more than half 

 superior. — 2. Rhizophora. 



Calyx-segments and petals 5 or 6. Stamens twice as many. Fruit more 

 than halt superior .^ — 1. Ceriops. 



Calyx-segments and petals 8 to 15. Stamens twice as many. Fruit 

 inferior. — 4. Bruguiera. 



Calyx campanulate, with short teeth. Petals 5 to 8. Stamens twice as 

 many. Fruit inferior. Seeds albuminous, not germinating before falling. — 3. 

 Caralha. 



1. CERIOPS, Aen. 



1. C. Candolleana, Am. — Careening Bay, N.W. Coast, A. Cunningham ; 

 Mangrove Beach of the Victoria River, F. v. MueUer ; Amhem N. Bay, R. 

 Brown ; Port Essington, Armstrong. Grey Mangrove. Bark yields 21 to 

 25 per cent, tannin. 



2. RHIZOPHORA, Linn. 



Mangrove. 



1. B. mucronata. Lam. — Port Essington, Leichhardt ; shores and islands 

 of the Gulf of Carpentaria. Black Mangrove. Bark contains 27 to 28.8 per 

 cent, tannin. 



3. CARALLIA, Roxb. 1814. 



(Barraldeia, Thou., 1809 ; Baraultia, Spreng., 1825 ; Catalium, Buch.- 

 Ham., 1831 ; Demidofia, Dennst., 1818 ; Diatoma, Lour., 1790 ; Kare- Kandel, 

 Adans, 1763 ; Petalotoma, D.G., 1828; Symmetria, Blume., 1826). 



1. O. integerrima, D.C. — -Maude Creek, Gilruth and Spencer, July- 

 August, 1911. 



Recorded. Brunswick Bay and York Sound, N.W. Coast, A. Cunningham; 

 N. Coast, R. Brown ; Upper Roper River, M'Adam Range and Nicholson 

 River, F. V. Mueller. Samples of bark examined in India yielded 15 per cent. 

 tannin. Wood dense and useful for cabinet work. 



