18 
W. Ausrratia. Lake Cowcowing, Koch 1133 p.p.*; 80 m.N. 
of Coolgardie, Menzies, Ist coll. 1207; and without precise 
locality, Ince p.p. 
S. Austratia. Upper Arkaringa Valley, Helms. 
N.S. Wates. Murrumbidgee, Mueller 
18. §. seabra, Lindl. in Mitch. Peap. Austral. 31. 8. 
setacea, Benth. Fl. Austral. vii. 568, non R. Br. (Figs. 18 & 18a, 
pp. 17 & 19.) 
W. Avustratia. Fraser’s Range, Dempster. 
“ AustraLta. Elder Exploring Expedition (about 131- 30° E. 
27° S.), Helms; Mt. Lyndhurst, growing on elevated country, 
pabiatancial &c., Koch 371; Gawler River, Mueller ; and without 
precise locality, Sinclair. 
QUEENSLAND. Warwick, Beckler. 
N.S. Watzs. Castlereagh, Woolls ; Bogan River, Mitchell 125*. 
19. §. pyenostachya, Benth. Fl. Austral. vii. 568. (Figs. 
19 & 19a, pp. 17 & 19;) 
. AusTRALIA. Swan Rivec, Drummond; and without 
precise locality, Drummond 121*. 
20. §. densiflora, Hughes, nov. sp. (Fig. 20, p. 17.) Basis 
incognita. Cuimus florifer robustus, nodis parce exsertis 
brevissime pubescentibus. Foliorum vaginae arctae, striatae, 
breviter et dense pubescentes, summae tumidae panicalae basin 
amplectantes ; ligulae brevissime sparse ciliatae; laminae laxe 
convolutae, in acumen attenuatae, superiores usque 13 cm 
longae, utrinque breviter pubescentes. Panicula densissima, 
contracta, elliptico-oblonga, usque 20 em. longa, 4 cm. lata; 
rami iterum divisi, multiflori. Spiculae angustae, subherbaceae. 
Glumae acuminatae, subaequales, usque 1-6 cm. longae, breviter 
pubescentes, 3-nerves. Valva 6 mm. longa, indistincte biloba, 
sparse albo-pilosa; callus acutus, 3 mm. longus; arista ad 
3-8 cm. longa, columna 1-6—-1-8 cm. longa breviter plumosa 
pilis albis ad 1 mm. longis, seta recta scabriuscula; valvula 
valvam aequans 
CENTRAL Victoria. Without precise oe Ktheridge*. 
21. §. hemipogon, Benth. Fl. Austral. vii. 569. 8S. semi- 
barbata, var. F. v. Muell. Fragm. Phytog. Austral. viii, 104. (Figs. 
21 & 214, pp. 23 & 29.) 
Us . Swan River, Drummond 231, Sat Lake 
Cowcowing, Koch 1132; Sikaltar District, Spencer 
S. AUSTRALIA. Garker’s Range, Mueller. 
22. §. nobilis, Pilg. in Diels and Pritz. Fragm. Phytog. 
Austral. Occ. 70 in Engl. Jahrb. xxxv. e descr. 8S. semibarbata, 
Benth. Fl. Austral. vii. 568, p.p. non R. Br. (Figs. 22 & 22a, 
pp. 23 & 29.) 
W. AvustraLia. Swan River, Drummond 116, 129; Kauring 
on the York-Greenhills Line, Stoward 474; Coolgardie, near 
Bronti, Diels* (not seen). 
23. §. mollis, R. Br. Prod. 174. 8. semibarbata, Hook. f. 
Fl. Tasman. ii. 110 p.p. non R. Br.; Benth. Fl. Austral. vii. 
