32 PROCEEDINGS OF THE ROYAL SOCIETY OF QUEENSLAND. 
6. Hughes, in Kew Bull. 1922, 302 (1922), discusses the genus 
and its relationships with Stipa and concludes that it is 
distinct from this, but no reference is made to Aristida. 
According to her figures the lemma is much shorter than 
the glumes; the column is straight with regard to the lemma 
in one figure, bent both from the body of the lemma and 
from the awn in another figure. It is difficult to know from 
the figures whether the lemma is furrowed or not though a 
furrowed condition is suggested. The dimensions of the 
figures are : Glumes 71 and 63 mm. ; body of lemma 42 and 
46 mm. ; column 27 mm. ; awn 70 mm. The magnification of 
the figures is said to be 3. 
7. Henrard, in Meded. Rijks Herb. Leiden liv.B (1928) and ]viiL 
(1929), follows Domin in referring the species to Aristida . 
He did not see the specimens and his information seems to 
have come from a sketch and other data sent by A. B. 
Rendle. From his figure, key and description we get the 
following data: Glumes 11-13 mm. long, subequal or the 
lower slightly the longer, the lower 3-nerved, the upper 
1 -nerved; lemma terete, tubulous, up to 14 mm. long* 
column not bent from the body of the lemma, straight* 
strongly twisted, ,> about 7 mm. long; awn slightly curved, up 
to 16 mm. long, not bent from the column. 
8. The specimens were actually seen by Brown, Bentham, Domin* 
and Hughes, but the accounts of these authors are not in 
complete agreement. Brown gives no dimensions. Bentham 
gives the length of the glumes as 4 to 5 lines, which is rather 
shorter than Domin ’s 11-13 mm., but Bentham may have 
deliberately excluded the awnlets. The magnification of 
Hughes’s figures is said to be 3; if the magnification is 
really 5 the dimensions agree with those given by Domin 
and Henrard. Mrs. Chase now writes me that there is a 
tracing of Miss Hughes’s original drawings in the United 
States National Herbarium ; they are of the same size as the 
published figures and are marked by Miss Hughes “5X’ ? - 
Also Henrard calls the lemma “ terete, tubulous,” which 
with him 1 usually means that the margins of the lemma are 
convolute, but Brown states quite clearly that the margins 
are involute. 
9. Henrard, in discussing Aristida sect. S Hreptachne (R.Br.) 
Domin, states that 4 ‘if in Aristida utilis, a species with 
distinct but thin lateral awns, those lateral awns disappear* 
we have (as to the spikelets) before us the Streptachne 
stipoides of R. Brown.” 
10. Aristida utilis F.M.Bail. in Queensl. Agric. Journ. xviii. 340 
(1907) was described from specimens collected by Mark 
Webb near Cooktown, the type-locality of Strepiachne 
stipoides. The type consists of old specimens, of which the 
lemmas have prominent lateral awns 4-6 mm. long. 
11. In more recent years an excellent series of specimens of 
Aristida utilis has been collected and a special study made 
of the large number of specimens constituting Blake 8149 
and 13459. (See plate I, drawn from 8149; figs. 2-12 were 
drawn from spikelets from one and the same specimen). 
