342 



^ P. reftexa, Br. 



Western Australia: Cut Hill, near York, O. H. Sargent, 

 25/5/06. 



P. revoluta, Br. 

 Victoria: Mr. E. E. Pescott reports the case of a 

 specimen from his State in which the leaves and flowers were 

 white. 



P. constricta, Sargent. 

 Western Australia: Cut Hill, near York, O. H. Sargent, 

 14/7/07; Narrogen, Dr. F. Steward, August, 1913. 



P. barbata, Lindl. 



Western Australia: Bayswater, Dr. F. Stoward, August, 

 1914. 



P. Mitch elli, Lindl. 

 Western Australia: Murchison, A. Tisdale; near York, 

 •0. H. Sargent. 



P. Sargenti, Andrews. 



Western Australia: York, O. H. Sargent, 1/8/06. 



This orchid would appear to be extremely rare and 

 localized in its distribution. It is now fourteen years since 

 Mr. Andrews described it, and during that period it has been 

 recorded in no other habitat than that in which it was first 

 found. The separation of the labellum into three digitations 

 and the enormous relative size of the basal appendages render 

 it unique and most easy of identification. This species is the 

 most interesting and notable addition to the family since the 

 -genus was established. 



Caleana. 

 G. nigrita, Lindl. 



Western Australia : Ravenswood, near Pinjarra, Rogers, 

 1/10/19; Cut Hill, near York, O. H. Sargent, 24/9/05. 



Leaf ovate-lanceolate, clasping at the base, brownish- 

 green above, dark reddish-brown on lower-surface, rather 

 rigid. Stem reddish-brown, slender, rigid, with a blunt 

 clasping bract about 6 mm. below the flower. 



Flower reversed, usually solitary. Segment® of the 

 perianth greenish, subequal, narrow-linear. Lateral sepals 

 about 12 mm., appressed against the dilated wings of the 

 column, arising from a pronounced columnar-foot. Dorsal sepal 

 incurved and appressed against the back of the column, rather 

 club-shaped at its free end. Petals narrower than the other 

 segments in their lower two-thirds, their free ends spathulate, 

 appressed against the dilated wings of the column. Lamina 



