658 



DESCRIPTION OF A NEW ISOPOGON FROM NEW 

 SOUTH WALES. 



By R. T. Baker. 



(Plate xlv.) 



IsoPOGON Dawsoni, sp.nov. 



An erect shrub of 6 to 9 feet, so far as seen, the branches and 

 young shoots hoary-tomentose. Leaves Hnear, 8 to 9 inches long, 

 from very narrow at the base to about 2 lines broad near the 

 apex, on long petioles: pinnate or deeply divided into 5-7 narrow 

 segments, rarely entire, rigid, terminating in an almost pungent 

 point, midrib slightly prominent on both sides, margins somewhat 

 recurved. Cones terminal, sessile, solitary, globular, 6 lines in 

 diameter after flowering. Outer bracts not numerous, hoary 

 pubescent, prominent, subulate, the inner ones bi'oader and 

 shorter. Cone scales very numerous, acuminate, with narrow 

 points prominent after flowering, obovate, closely imbricate, 

 densely silky-hairy on the convex side, the exserted portion not 

 so hairy, the tips or points pubescent. 



Perianth yellow ('?), probably purple (not yellow when collected), 

 very silky villous, about 9 lines long, lobes of the corolla about 

 half the length of the tube; stamens inserted in the corolla lobes; 

 anthers sessile, the connective tipped with a small appendage; 

 filaments flat, much shorter than the anthers. Style- end clavate, 

 minutely papillose pubescent, the thickened part 4-angled, 

 separated by a constriction from the bulbous base of the stigmatic 

 termination. Receptacle under 6 lines. 



Nearest afiinity is 1. longifolius of South- Western Austi-alia. 



Loc. — Murrumbo Ranges, Goulburn River, near Widden, New 

 South Wales. 



This species is dedicated to Mr. Licensed Surveyor Dawson, of 

 Henbury, Rylstone, who was instrumental in discovering this 



