126 FLORA OF SOUTH AUSTRALIA. 
Achenes scantily silky; flowers and bristles 10 to 12 
Achenes silky; heads in spike-like panicles, flowers 
7 to 13; pappus-bristles, 15 to 20... ip 
Waitzia 
Stem erect, simple, herbaceous, somewhat hairy. Heads 
in corymbs; phyllaries yellow, acute, ciliate; 
leaves linear, long st sacl oo ; 
Helichrysum. 
1. Inner phyllaries with ray-like tips. 
Marginal flowers fertile, their achenes hairy ; inner 
flowers sterile, their achenes glabrous. Heads in 
corymbs. Herbs. 
Fertile achenes compressed. 
Ray white or pink ; fertile achenes very flat... 
Ray yellow ; phyllaries obtuse, rugose 
Fertile achenes not compressed. 
Ray pink or white; branches and Bacar. 
long, slender : 
Ray yellow or white; : Beene compacts 
peduncles very short ... : 
Flowers all fertile, some of the marginal ones Praia 
only and without pappus 
Ray yellow or brownish; achenes glabrous. Heads 
solitary. 
Phyllaries wrinkled, obtuse. Woolly herbs. 
Stems branchless or basis branched ; 
heads large 
Stems loosely brachede. heads. anil: 
ray inconspicuous... ; aad at 
Phyllaries smooth, obtuse. Glabrous or scan- 
tily hairy; leaves long, green, sometimes 
somewhat sticky aa ae 
Phyllaries narrow, acute, jagged 5 hen 
stalked. Woolly. ad 
Ray white or pinkish. W idly forbs 
Achenes papillary-rough; outer pbhyllaries 
woolly. 
Heads solitary, leaves small, rigid, es 
obtuse 
Heads corymbose ; lenred a okie, A 
thick oa 
Achenes glabrous. Posie seit babuaaa 
Plant glandular-rough ; leaves linear-re- 
volute, upper ones clasping oes 
Tietkensi 
Charleysae 
corymbosa 
Cassinianum 
Ayersii 
Lawrencella 
semifertile 
scorpioides 
rutidolepis 
lucidum 
podolepideum 
obtusifolium 
Blandowskianum 
adenophorum 
