4 E. CHEEL, RESULTS OF DR. E. MJÖBERGS EXPEDITIONS TO AUSTRALIA 1910—13. 10. PLANTS. 
glabrous on the back, hairy on the upper side; ovary glabrous, styles 2, pale brownish 
colour; anthere ochre coloured, 6 mm. long, sterile spikelets 2, pedicellate, rather 
longer than the fertile one and more membranaceous, barren, occasionally enclosing 
a hyaline bristle-like scale. 
This species has affinities with S. intrans, but may be easily distinguished by 
the much longer awn and by the silvery silky-hairs. 
Tribe Paniceae. 
Setaria macrostachya H. B. & K. 
Noonkanbah, West Kimberley, January, 1911 (Nos. 48 & 49). 
Spinifex longifolia BR. BR. 
Port Hedland, August, 1911 (No. 124). 
Tribe Ågrostideae. 
ÅAristida sp. 
Affinities with A. calycina. Noonkanbah, West Kimberley, January, 1911. 
Tribe Aveneae. 
Eriachne sp. 
Noonkanbah, West Kimberley, January, 1910 (No. 33). 
Tribe Chlorideae. 
Dactyloctenium aegyptiacum WIiLLD. 
Noonkanbah, West Kimberley, December, 1910. 
Tribe Festuceae. 
Triodia intermedia sp. nov. 
Noonkanbah, West Kimberley, December, 1910 (No. 18). 
Plant perennial, more or less decumbent, with numerous short, intricate or 
interwoven stems, reaching a height of about 25 cm., or the whole plant including 
the flowering stem and inflorescence about 70 cm. long. 
Leaves convolute or nearly terete, pungent-pointed, narrowly channelled above, 
varying in length from 4 cm. long on the flowering stem to about 15 cm. long on 
the lower part of the plant, glabrous, shiny, or the short sheath sparingly sprinkled 
with hairs along the margin and upper part of the sheath; ligule very short, scarious. 
Panicle 7—9 cm. long, loose. 
Spikelets pale-straw coloured, on capillary pedicels or very rarely sessile, 8—10 
flowered, about 10 mm. long, 5 mm. broad, lower glumes glabrous, keeled, obtuse, 
obscurely 3 or rarely 5-nerved; flowering glume entire or very minutely-lobed, obtuse, 
3 mm. long, hairy at the base and along the central nerve, 3-nerved, with a set of 
3 nerves between the main nerves ; callus short, bearded; palea broad, oblong, obtuse, 
slightly larger than the flowering glume, 2-nerved. 
