THE TASMANIAN FLORA. 



78; 



iv. Bluets brown, Lead spherical, terminal, nearly 

 sessile 

 Bracts narrow, mostly white. Flowers small ... 

 Heads large, stalked 

 V. Flowers yellow. Bracts narrow, inconspicuous 

 Bracts very conspicuons, spreading, petaloid . . . 

 vi. Pappus-bristles plumose ... 



Pappus-bristles plain or barbed ... 

 vii. Shrubs. Flowers small, mostly in loose corymbs 

 Herbs. Flowers, if small, in rather dense 

 clusters ... 

 viii. Florets mixed with scales... 

 Florets without scales 

 ix. Flowers rather large. Bracts conspicuous, 

 white or bright coloured 

 Flowers small. Bracts brown ... 

 X. Leaves and bracts woolly, white... 

 Leaves and bracts green ... 



Section V. Florets tubular. Bracts armed with spines. 



Margins of bracts entire ... 

 Margins of bracts fringed... 



Section VI. Florets all strap-shaped. 



i. Pappus-bristles some or all feathery 



Pappus-bristles all simple 

 ii. Florets intermixed with scales 



No scales amon^ st florets 

 iii. Stem leafy, many-flowered 



Stem leafless, 1-flowered ... 

 iv. Stem many-flowered 



Stem hollow, 1-flowered ... 



Stem solid, 1-flowered 



18. Ixiolmna. 

 24. Raouliu. 



V. 



20. LeptorrhyncKris^ 

 vi. 



21. Heli'pterum. 



22. Helichrysum,. 

 viii. 



IX. 



15. Cassinia. 

 23. Ozothamnns. 



22. Helichrysum. 

 25. Gnaphalium. 

 12. Anfjianthtis. 



16. Rvtidosis. 



Carduus. 

 Centaurea. 



IV. 



Hypocheeris. 

 iii. 



Picric. 



Leontodon. 



Sunchus. 



Taraxacum. 

 31. Microseris. 



1. OLEARIA. 

 Bracts herbaceous, or with a soarious margin, in several overlapping series. 

 Outer florets strap-shaped, in one row, white or bluish ; inner florets not 

 numerous, tubular, yellow. Achenes short,, and broadly cylindrical. Pappus 

 copious, of long, slender bristles. Shrubs or under-shrubs. 



An Australian and New Zealand section of Aster, diifering only in the shrubby 

 habit. 



i. Leaves flat, not under I inch ... ... ... ii. 



Leaves terete, revolute, or very narrow or minute 

 ii. Leaves opposite. Strap-florets very few 



Leaves alternate ... 

 iii. Leaves triangular ... 



Leaves oblong 

 iv. Shrub. Leaves |-4 inches, coarsely toothed, 

 serrated or entire, hairs mostly stellate 

 Small tree. Leaves 3-4 inches, broad, oblong, 



acute, minutely toothed 

 Shrub. Hairs simple 

 V. Leaves entire, oblong, |-1 inch ... 



Leaves toothed, wrinkled above, \-l inch 

 vi. Leaves mostly exceeding J inch ... 

 Leaves mostly under J inch 



