TWO PINNATJfi LEAF BORONIAS AND THEIR ESSENTIAL OILS. 201 



apiculate; style comparatively long; stigma often slightly 

 dilated, though not so pronounced as in B. floribunda; ovary 

 glabrous. 



Localities: — Narrabeen (A. R. Penfold); Middle Harbour, 

 in creek beds and ravines; Bundanoon (O. P. Laseron); 

 Wardell, N.S.W. (Bauerlen). This species will probably be 

 found in most of the coastal gullies of New South Wales. 



There is a specimen in the Technological Museum Her- 

 barium collected by the late W. Bauerlen, at Wardell, 

 New South Wales in September 1893. The specimen is in 

 flower, and possesses the same leaf texture, though the 

 leaves are somewhat narrower in the Narrabeen specimens. 

 After all these years the strong characteristic smell can 

 still be detected when the leaves are crushed. 



This species differs from B. pinnata in its sciophilous 

 characteristics, being found always in creek beds and in 

 damp shady situations, where it reaches a height of twelve 

 feet. It is altogether a much more willowy and graceful 

 plant than the typical B. pinnata, found so commonly on 

 our dry sandstone ridges. The leaves too are much darker 

 green in colour, not glossy, paler on the under surface, and 

 thinner in texture and are decidedly serrulate, a feature 

 which is scarcely prominent in the thick rigid, coriaceous 

 glossy leaves of B. pinnata. The scent from the leaves is 

 distinctly noticeable, even if the plant is only brushed 

 against when walking through the dense undergrowth in 

 which this species is usually found. If the leaves are 

 crushed the characteristic odour (closely resembling that 

 of black currant) is very pronounced, whereas the typical 

 B. pinnata has no very marked smell when the contents of 

 the oil glands are freed. The leaves are also much thinner, 

 averaging about 0*2 mm. in thickness, whereas in B. pinnata 

 the leaves are coriaceous, and usually from 0*4 to 0*6 mm. 

 in thickness. This is to be expected when the conditions 



