Prasophyllum.| CXX. ORCHIDEJE. 84 
W. Australia. Darling range, Collie; Swan river, Oldfield; King George's 
Sound and adjoining districts, Oldfield, F. Mueller, Muir. 
P. ovale, Lindl. Swan Riv. App. 04, Gen. and Sp. Orch, 510. Stems 
rather slender, above 1 ft. high, the leaf-sheath and ‘lamina a 
otherwise free, the petals scarcely shorter. Labellum sessile, the erect 
portion about 2 lines long, concave, of nearly equal breadth or ed 
Australia. Swanriver, Drummond, 1st coll. i 
Var. triglochin, Reichb. f. Beitr. 60. Leaf-lamina short. Flowers scarcely 2 lines 
long, the lateral sepals quite free from "e base, the inner plate of the labellum ending 
nd. 
less abruptly.—W. Australia, Drummo 
10. P. tachyum, R. Br. Prod. 918. A slender plant 
usually not so tall as P. ovale, but sometimes much resembling it or 
usually rather distant in a long spike. Ovary narrow-turbinate or oblon 
Lateral sepals about 2 lines long, lanceolate-subulate, acute, broad and 
shortly united at the base (or sometimes quite free ?); dorsal sepal as long 
or rather shorter; iderably shorter, lanceolate, acute. Labellum 
W. Australia. King George's Sound, R. Brown, F. Mueller ; Swan river, Drum- 
mond, 1st coll. ; Gordon river, Oldfield. 
t x 
rot. 9. Popocuitus.—Labellum obtuse at the base, on a short ` 
distinet horizontal claw, but continuous with it and with the base of 
the column. T 
P. Fimb : 
and size of flowers of P. elatum, but with a very different pus 
middle; petals not nearly so long, linear. La long as the 
Sepals, truncate at : à distinct narrow horizontal claw of 
about 4 line, the lamina broadly oblong, slightly contracted at the bend 
ll. P. Fimbria, Reichb. f. Beitr. 60. A tall species with the habit 
