48 THE FLOEA OF THE NOBTHBRN TBRBITOEY. 



3. T. x)ungens, R. Br.—4Q miles S.W. of Newcastle Waters. G. P. Hill 

 (No. 456), 8/7/1911. 



Recorded. Islands of the Gulf of Carpentaria, R. Brown ; Victoria River 

 and Sea Range, P. v. Mueller ; Port Darwin, Schultz. 



38. ELYTHROPHORUS, Beatjv. 1812. 

 (Echinalysium, Trin., 1820). 

 1 . E. articulatus, Beauv. — CuUen Creek, Gilruth and Spencer, July- August 

 1911. 



Recorded. Victoria River, P. v. Mueller ; between Norman and Gilbert 

 Rivers, GuUiver. 



39. TRIODIA, R. Be. 



Leaves very pungent, the sheaths usually viscid. Plowering glumes silky 

 ciliate, divided nearly to the middle into three lobes. 



Panicle narrow and dense. Spikelets pale coloured, 3 to 4 lines long, 



about 6- flowered. — 4. T. pungens. 

 Panicle long, narrow and dense. Spikelets pale coloured, very numer- 

 ous, under 3 hues long, about 3- flowered. — 1. T. Cunninghamii. 

 Leaves not pungent. Plowering glumes glabrous or nearly so, with three 

 short 1 -nerved acute teeth. Panicle very long. 



Spikelets 3 to 2-|- hues long, about 4- flowered. Plowering glume 



almost nerveless belov/ the teeth. — 3. T. procera. 

 Spikelets IJ to 2J hnes long, 3 or 4-flowered. Nerves of the 

 flowering glume continued below the teeth or to the base. — 2. 

 T. microstachya. 



1. T. Cunninghamii, Benth. — Cambridge Gulf, N.W. Coast, A. Cunning- 

 ham. 



Var. major Ewart and Davits. — 15 miles W. of Hugh River, Macdonnell 

 Ranges, G. P. HiU (No. 136), 6/5/1911. Alt. 3000 ft. 



Specimen without flowers. Seed fallen. Seems near T. Cunninghamii, 

 Benth ; but with outer glumes narrow and more acute, and panicle 14 to 15 in. 

 long. Placed provisionally as a new variety of T. Cunninghamii, but possibly 

 an undescribed species. 



2. T. microstachya, R. Br. — Islands off Amhem's Land, R. Brown ; 

 N.W. Coast, A. Cunningham ; Upper Victoria River, P. v. Mueller. 



3. T. procera, R. Br. — Arnhem S. Bay, R. Brown ; Upper Victoria 

 Pi.iver, Hooker and Sturt's Creeks, P. v. Mueller, 



4. T. pungens, R. Br.— 35 miles N.E. Camp II., G. P. Hill, (No. 254), 

 7/6/11. 



Recorded. Islands of the Gulf of Carpentaria, R. Brown, Henne ; N.\A . 

 Coast, A. Cunningham. 



T. MitchelU, Benth. — Recorded in National Herbarium Census from North 

 Australia. 



40. DIPLACHNE, Beattv. 1812. 



Spike slender, simple. — 2. D. loliiformis. 

 Spikes numerous in a simple panicle. 



Spikelets pale-coloured, 5-8 lines long, 8-12 flowered. Rachis with a 



tuft of long hairs under the glumes. — 3. D. Muelleri. 

 Spikelets usually dark-coloured, 4 hnes long or rather more, with more 



than 6 flowers, rachis glabrous or nearly so. — 1 . D. fusca. 

 Spikelets Ught-coloured, scarcely 3 lines long, with usually 5 or 6 

 flowers. — 4. D. parvi flora. 



