330 x CXX.. ORCHIDER. [Diuris. 
Orch. 510, Endl. in Pl. Preiss. ii. 11; D. carinata, Lindl. Gen. and Sp. 
Orch. 510; cu Le. 
. Aus Ring. Ge un. Sound and adjoining districts, R. Brown, and 
many others ; d thence to Swan ver, Drummond, 1st coll. n . 842, 843, Tu cul n. 
823, Oldfield, a d'others : p. tward 16 Esperance bay, Cape 2t ird and C 
Maacwell.—1 have not seen Preiss's specimens, but there i very little dahi of Asc 
having been rightly referred to this species, readily Paid by its foliage. 
0. D. emarginata, R. Br. Prod. DLP. Allied to D. setacea, but a 
stouter and taller plant, "usually 1 to 2 ft. high. Leaves narrow-linear 
but not subulate, the empty sheathing bracts long and broad. Flowers 
several, distant from each other in a loose raceme, but on erect edicels, 
larger than in D. setacea. Lateral sepals 2 to 1 in. long ; petals rather 
shorter, elliptical, contracted into a short claw; dorsal sepal shorter 
than the sepals, firm at the base and embracing the colu umn, open at the 
top. as abe lum as long as the dorsal sepal, the lateral lobes broad, en- 
tire or toothed, from m Àj! to $ as long as the middle lobe, and the double 
f. adu Wi D. Drummondii, Lindl. Swan Riv. App. 51, Gen. and Sp. 
Orch. 5 
wW. in sene zn King George's Bound R, Brown; Lake Muir, Muir; Gordon. 
Ka Kalgan, Vasse nes Oldfield ; : Swan river, Drummond, 1st coll., and perhaps 
o ldfiel 
bas river, d, the specimen very imperfect. 
D. laxiflora, Lindl. igor Hin App. 51, Gen. and Sp. Orch. 510, from pie river, 
, appears t o be a rather slender drawn up state of marginata, 
he han go are not ien enough for d I have not aee those o 
RU ora by Endl. in PI. Preiss. 
R. Brown jvídeslly derived his name from an — of the petals d keen 
ages he fully des iA Fa his notes, but of which I can find no trace in the mens 
of his a labelled as - emarginata, of the | mado Probably the emargi- 
siis n was acc ey eR specimen described on r spot; the dried specimens 
Ty ios Mbit vith his description, as well as with Drummond's describe 
byl Lindley, aoe here as in D. setacea Lindley regarded the labellum as unicarinate, 
the wings joining at the base in ge 
with the central keel of the Tabellura.. Lindl. Gen. and Sp. Orch. 5 509; 
