Briggs and Johnson, New species of Restionaceae in Western Australia 
257 
Conservation status: rare, CALM priority code P3 (Meney, Pate, Dixon, Briggs, & 
Johnson 1999). Known from only a few sites, in habitats of limited occurrence, but in 
an area where much natural vegetation has been retained. 
T. crncens differs from T. tremula in the slender culms which are terete to slightly 
compressed (0.8-1.0 mm diam), lamina of culm sheaths linear and 2-4(-7) mm long, 
and spikelets small (male spikelets 3.5-5.0 mm long, 2-3 mm wide; females 2-4.5 mm 
long, 2-3 mm wide). T. tremula has strongly compressed culms 2.0-4.5 mm broad, 
lamina of culm sheath broad and blunt (3—11 mm long), and spikelets larger (male 
spikelets 4-6.5 mm long, 3^ mm wide; females 4.5-5.0 mm long, 3-5 mm wide). 
Specimens examined: Western Australia: Darling: 24.4 km S of Manjimup on South Western Hwy, 
7 Jan 1989, Meney & Dixon 6 (KPBG); Muirs Hwy, 1993 Meney 914b 6 (KPBG, NSW); Scott River 
Plain, 24 Oct 1948, Royce 2931 6, 2932 $ (PERTH); Lake Jasper, 21 Feb 1992, McCutcheon 2468 6 
(PERTH); Windy Harbour, 28 Sep 1954, Main 6 (PERTH); Lower Shannon flats, W of Shannon R., 
20 Mar 1995, Hearn ARA 5370 6 (PERTH, NSW); N of Walpole (details as for type) Briggs 6931a, 
6932 6 (NSW), 6933 6, 6934 $ (NSW, PERTH); Weld Rd and Rainbow End, Walpole, Jan 1991, 
Meney 911 & Pate 6, 9 (KPBG, NSW). 
Acknowledgments 
Many colleagues assisted our studies on Restionaceae. Peter Wilson advised on the 
Latin diagnoses; Carolyn Porter, Siegfried Krauss, Barbara Wiecek and others gave 
technical assistance; David Mackay, Lesley Elkan and Catherine Wardrop were 
responsible for the illustrations. Kathy Meney of Kings Park and Botanic Garden and 
John Pate of the University of Western Australia shared information with us most 
generously and assisted in the field. The Western Australian Herbarium made 
available its resources of specimens; Terry Macfarlane and colleagues at its regional 
herbarium at Manjimup provided collections and assistance in the field. Our thanks 
go to all who assisted in these many ways. 
References 
Briggs, B.G. & Johnson, L.A.S. (1998) New genera and species of Australian Restionaceae (Poales). 
Telopea 7: 345-373. 
Briggs, B.G. & Johnson, L.A.S. (1999) A guide to a new classification of Restionaceae and allied 
families. Pp. 25-56 in Meney, K.A. & Pate, J.S. (eds) Australian Rushes, Biology, Identification and 
Conservation of Restionaceae and allied families. (University of Western Australia Press: Nedlands). 
Briggs, B. G. & Johnson, L.A.S. (2001) The genus Desmocladus (Restionaceae) and new species from 
the south of Western Australia and South Australia. Telopea 9(2): 227-245. 
Briggs, J.D. & Leigh, J.H. (1996) Rare or Threatened Australian Plants. (CSIRO: Collingwood). 
Diels, L, (1906) Die Pflanzenwelt von West-Australien siidlich des Wendekreises. (Engelmann. 
Leipzig). 
Linder, H.P., Briggs, B.G. & Johnson, L.A.S. (1998) Restionaceae. Pp. 425-445 in Kubitski, K. (ed.) 
The Families and Genera of Flowering Plants, vol 4. (Springer-Verlag: Berlin). 
Meney, K. A., Pate, J. S. & Dixon, K. W.(1996) New species of Restionaceae from Western Australia. 
Telopea 6: 649-666. 
Meney, K. A., Pate, J. S. & Hickman, E. J. (1999) Morphological and anatomical descriptions of 
Restionaceae and allied families and their distribution. Pp. 161—461 in Meney, K.A. & Pate, J.S. 
(eds) Australian Rushes, Biology, Identification and Conservation of Restionaceae and allied families. 
(University of Western Australia Press: Nedlands). 
Meney, K.A., Pate, J.S., Dixon, K.W., Briggs, B.G. & Johnson, L.A.S. (1999) Conservation of 
Australian Restionaceae. Pp. 465-480 in Meney, K.A. & Pate, J.S. (eds) Australian Rushes, 
Biology, Identification and Conservation of Restionaceae and allied families. (University of Western 
Australia Press: Nedlands). 
Manuscript received 22 February 2000 
Manuscript accepted 24 Aug 2000 
