THE FLOEA OW THE NOETHEEN TBEEITOEY. 45 



2. C. convergens, F. v. M. — Borroloola to Tamimbirini, G. P. Hill (No. 

 819), 26/3/1912. 



Upper Victoria River, F. v. Mueller. Very good stock grass. 



3. G. tenellus, R. Br. — Amhem S. Bay, R. Brown ; Upper Victoria 

 River, F. v. Mueller. 



32. CHLORIS, Sw. 1788. 



(Chlorides, Fisch., 1863 ; Eustachys, Desv., 1800 ; Heterolepis, Ehrenb., 

 1881 ; Macrostachya, Hochst, 1851 ; Phacellaria, Willd., 1840 ; Schultesia, 

 Spreng., 1815). 



Usually good pasture grasses. 



Spikes digitate, slender. Spikelets acute. Flowering glume usually with 

 a tooth, lobe or short awn on each side of the terminal one. 



Spikes few, about 1 in. long. Lobes of the flowering glume awned. — 



4. C. pumiho. 

 Spikes numerous, 2 to 3 inches long. Spikelets closely approximate 

 and regularly pectinate. Flowering glume 2-fid, una^viaied, 

 usually scabrous. — 3. C. pectinata. 

 Spikes 6 to 12 or more, 3 to 6 inches long; 



Spikelets rather crowded, 2 hnes long. Flowering glume with a 

 fine tooth or point on each side of the awn. — 2. C. divaricata. 

 Spikelets distant, 3 lines long. Flowering glume tapering into the 

 awn or very minutely toothed. — 1. C. acicularis. 

 Spikes digitate, dense, 1 to 2 inches long. — 5. C. scariosa. 



1 . G. acicularis, Lindl— 66 miles N.E. of Camp II., G. F. Hill (No. 289a) 

 7/6/1911. 



Idracowra Station, Finke River, G. F. HiU (No. 30), 5/3/1911. 



15 mUes E. of Hermansburg, Finke River, G. F. Hill (No. 101), 21/3/1911. 



2. G. divaricata, R. Br. — Sturt's Greek, F. v. Mueller. Star Grass. . 



3. G. pectinata, Benth. — Charlotte Waters, Giles. An excellent pasture 

 grass. 



4. C. pumilio, R. Br. — ^Islands off the N. Coast, R. Brown ; Norman 

 River, Gulhver. 



5. C. scariosa, F. v. M. — Sturt's Creek, F. v. MuUer. 



G. barbata, Sw., C. pallida, Hack, are recorded in National Herbarium 

 Census from North AustraUa. 



33. ASTREBLA, F. v. M. 1876. 



Spikelets closely imbricate on one side of a second spike of 2 to 3 in. Awn 

 about as long as the lateral lobes. — 1. A. pectinata. 



Awn much longer than the lateral lobes, straight or, hooked. 



Spikelets at some distance, almost erect in a secund .spike of 3 to 6 



inches.^ — 2. A. triticoides. 

 Spikelets in the notches of the indented axis. — 3. A. elymoides. 



1. A. pectinata, F. v. M.—ZQ miles S.E. of Newcastle Waters. G. F. Hill 

 (No. 501), 9/8/1911. 



Northern Territory, G. F. HUl (No. 466), 1911. 



Common Mitchell grass. 



Recorded. Sturt's Creek, F. v. Mueller. 



2. A. triticoides, F. v. M. — Sturt's Creek, F. v. Mueller. 



