THE TASMANIAN FLORA. 197 



Lower perianth division bent downwards. 

 Leaves principally at base of stem. 



Flower solitary. Labellum long, filiform, 



covered with yellow hairs ... ... ... 12. P. barbata. 



Flowers few or many. Labellnm ovoid. 



Perianth-segments obtuse. Flowers many ... \3. P. mutica. 

 Perianth-segments acute. Flowers 2-4 ... 14. P. rufa. 



Leaves on separate stems. Plowering-stems 

 bearing leaf-like bracts. 

 Leaf -like bracts narrow, linear, with a narrow 



clasping base ... ... ... ... ... 15. P. longifolia. 



Bracts broader, with a broad sheathing base ... 16. P. vittata. 



1. P. CONCINNA, It. Br. Leaves usually 4, in a basal rosette, oblong, stalked, 

 about -l-f inch long. Flower-stem about 6 inches long, slender, minutely 

 pubescent or papillose, bearing 2 small 'bracts. Flower solitary, about | inch 

 long, erect, the uppermost segment elongs^ted into a short point, the lowest 

 segments erect with long filiform points embracing, the hood. Labellum rather 

 shorter than the column, the sides parallel and ending in 2 acute widely- 

 separated points ; the basal process filiform, curved, penicillate. Column erect, 

 the wings extended above into long awl-shaped processes, much exceeding the 

 anther, and below into a broad, obtuse, ciliated lamina. 



In heathy, hilly country near Bellerive, Richmond, &c. ; also South Australia, 

 Victoria, New South Wales, and Queensland. Fl. June. 



When this plant lives with P. prmcox hybridisation is common, and all 

 intermediate forms may be found. 



2. P. CDRTA, iJ. Br. Leaves 3 or 4, in a basal rosette, oblong, stalked, about 

 1-li inch long, many-nerved. Flower-stem about 9 inches high, with 2 or 3 

 bracts. Flower erect, about 1 inch long,- the upper hood-shaped division bent 

 forward, nearly obtuse ; lower division shorter than the upper one, embracing 

 the hood, but not exceeding it. Labellum narrow-oblong, acute in Tasmanian 

 forms, about as long as the column ; basal appendage filiform, curved, and 

 penicillate. Column erect, the wing with a subulate point above and a flat 

 obtuse lobe below. 



Common in many parts, but principally in the north It also occurs in New 

 South Wales, Victoria; South Australia, and Queensland. Fl. Sept. 



3. P. NUTANS, R. Br. Of similar general habit to the last. Leaves 3 or 4, in a 

 basal rosette, the outer ones stalked, the inner sheathing, many-nerved, wavy, 

 1-2 inches long. Stalk about 9 inches long, with 2 or 3 bracts. Flower 

 somewhat nodding, about 1 inch* long, very curved, the points of the upper 

 division directed downwards ; lower division sub-erect, embracing and extending 

 somewhat beyond the upper one. Labellum narrow-ovate, rather long, very 

 curved, obtuse, the upper surface minutely pubescent. Column curved, the wing 

 with a subulate upper process and an obtuse ciliate lower lobe. 



Very common. It occurs also in Queensland, New South Wales, Victoria, 

 and South Australia.. Fl. Oct. 



4. P. PEDUNCULATA, R. Br. Leaves 2-4, in a basal rosette, stalked, many- 

 nerved, f - 1 1 inch long, margin wavy. Stalk 4-6 inches long, with 2 or 3 bracts. 

 Flower erect, about | inch long, the upper division erect for rather more than 

 half its length, then bent straight forward with a short acute point ; lower 

 division erect, with very long slender points, embracing and much exceeding the 

 hood. Labellum ovate, much shorter than the column. Column erect, the 

 wings with a filiform upper process and a flat ciliate lower lobe. 



Very common in shady places ; also in New South Wales, Victoria, and South 

 Australia. Fl. Sept. 



