136 H. B. Williamson: 



Flowers in dense leafy terminal heads. Floral leaves and bracts 

 -with large, broad stipules, Bracteoles under the calyx, large, 

 stipular, scarious with pointed lobes, and central long-ciliate point. 



In calyx and bracteoles it resembles P. elliptic a, and P. sub- 

 spicata, but differs from the former in having much narrower 

 leaves, smaller petals, and longer bracteoles ; and from P. sub- 

 spicata in having much longer bracteoles, and flowers terminal. 



Sherratt's Brook, Esperance Bay, W.A. Port Lincoln, Salt's 

 Creek, S.A. 



P. STROBILIFERA, Meiss. 



(PI. Preiss., i., 75). 



A shrub to 1^ feet with terete wrinkled leaves about 3 lines 

 long, and flowers in dense ovoid heads, with numerous broad, 

 shortly-toothed bracts covering the calyx. Bracteoles are linear, 

 hirsute, with long hairs, and are fixed under the calyx, which 

 has long, narrow and acuminate lobes. 



The style is short, thick and hooked. 



Stirling Ra., Upper Hay R., Sources of Blackwood R., W.A. 



P. ericifolia, Benth. 

 (Lindl., Swan Riv. App., 13). 



A shrub, heath-like in aspect, much resembling P. strobilifera 

 in calyx lobes, bracteoles and style, but its leaves are longer, and 

 its bracts are spreading at the top, deeply trifid, with subulate 

 central and broad lateral lobes. The long setular calyx lobes and 

 bracteoles are fringed with long hairs, giving the heads a fuzzy 

 appearance. 



King George's Sound, Swan R., Blackwood R., W.A. 



P. VERRUCULOSA, TlUXZ. 



(Bull. Mosc, i., 278). 



A species resembling the last two, but having fewer bracts, 

 and broader bracteoles, all much shorter than the calyx. The 

 leaves are glabrous. 



King George's Sound. Great Bight, W.A. 



Var. pilosa, Bth., sprinkled with long hairs, and with bracts 

 rather larger and more numerous, and petals dark red. 



Cheyne's Beach, Oldfield, W.A. 



Var. brachyphylla, Bth., leaves short and thick, sometimes 

 shortly mucronate, and flower heads smaller. 



