THE FLOEA OF THE NOETHBRN TEEEITORY. 179 



narrow, densely pubescent, 4 to 5 lines long. Petals not as long as the sepals. 

 Fruit not seen. Near to C. leptocarpus but differs in having smaller leaves 

 with closer nerves and dense tomentum. 

 Borroloola, G. F. HiU, 9/10/1911. 



8. G. sidoides, F. v. M. — ^N.W. Coast, Bynoe ; Cygnet Bay, A. Cun- 

 ningham ; frequent in sterUe places on the Victoria River, F. v. Mueller ; 

 Islands of the Gulf of Carpentaria, R. Brown. 



9. C. tridens, Linn. — Islands of the N. Coast, R. Brown ; Upper Victoria 

 River, Sturt's and Hooker's Creeks, F. v. Mueller. 



10. C vermicularis, F. v. M. — Upper Victoria River, F. v. Mueller. 



11. C. Walcottii, F. v. M. — Enderby Island, N.W. Coast, A. Cunningham; 

 Hearson Island and Nichol Bay, F. Gregory. 



Var. parviflora, Benth. — ^N.W. Coast, Bynoe ; Nichol Bay, F. Gregory. 



Var. densiflora, Benth. — Gulf of Carpentaria, F. v. Mueller. 



C. Elderi, F. v. M. ; G: hygro'philus, Gunn. ; G. elachocarpus, F. v. M. ; 

 (in Nat. Herb. Census), and G. Allenii, F. v. M. (in Proc. Linn. Soc, N.S.W., 

 1891) ; recorded from North Australia. 



2. GREWIA, Linn. 



Leaves glabrous or nearly so, 3-nerved at the base. Flowers hermaphro- 

 dite. 



Sepals 7 to 9 lines. Petals small, the foveola very large. Torus 

 elongated. Fruit depressed-globose, not lobed, ^.in. diameter 

 or more. — 4. G. orientalis. 

 Sepals about 4 lines. Petals very small, the foveloa large. Torus 

 short. Fruit small, 2-lobed (unless reduced to one carpel). — 

 2. G. multiflora. 

 Sepals about 2 lines. Petals more than half as long, the foveola very 

 small. Torus short. Fruit small, entire. — 1. G. breviflora. 

 Leaves white-tomentose underneath or scabrous, 3 or 5-nerved. Flowers 

 polygamo-dioecious. 



Leaves obovate-oblong to lanceolate. Foveolate base of the petals 



broader than the lamina. — 5. G. polygama. 

 Leaves ovate or orbicular. Foveolate base of the petals small. 

 Leaves ovate-cordate, acuminate, often 3 to 4 in. Staminodia 

 in the female flowers numerous, clavate, without anthers. — 

 .6. G. xanthopetala. 

 Leaves small, orbicular, very scabrous. Buds striate. (Female 

 flowers unknown). — 3. G. orbifoUa. 



1. O. breviflora, Benth. — Cygnet Bay, A. Cunningham ; N.W. Coast, 

 'Bjrxoe ; Islands of the Bay of Carpentaria, R. Brown. 



2. G. multiflora, Jtiss. — Port Essington, Armstrong. 



3. O. orbifolia, F. v. M. — Sandstone rooks of the Upper Victoria River, 

 F. V. Mueller. 



4. G. orientalis, Linn. — Van Diemen's Gulf, A. Cunningham ; Islands 

 of the Gulf of Carpentaria, R. Brown. 



5. G. polygama, Roxb. — CuUen Creek, and Eleven-Mile Creek, near 

 Katharine, Gilruth and Spencer, July-August, 1911 ; medicinal astringent. 

 Lower Macvb'thur River, G. F. Hill (No. 682), 8/11/1911. Five-mile Bar 

 MacArthur River, G. F. Hill (No. 719), 19/1/1912. 



G 



