86 THE TASMANIAN FLORA. 



22. HELIOHRTSUM. 



Bracts unequal, in several rows, soarious, usually brightly coloured, spreading 

 and petaloid. Receptacle without scales. Florets numerous, tubular, usually 

 much, shorter than the involucre. Pappus of numerous simple barbellate or 

 nearly plumose bristles. 



A widely-distributed genus in warm parts, but more especially in the Southern 

 Hemisphere. 



i. Bracts glabrous ... ... ... ... . . . ii. 



Bracts pubescent externally, and flowers many 

 together, yellow ... ... ... ... ... viii. 



ii. Leaves woolly on under surface ... ... ... iii. 



Leaves glabrous or nearly so 

 iii. Fowers yellow 



Flowers white or red 

 iv. Flowers 1-1^ inch diameter 



Flowers j-| inch ... 

 V. Leaves narrow, oblong. Bracts lanceolate 

 Leaves linear. Bracts narrow and satiny 

 vi. Plants small. Leaves radical 



Shrubby. Leaves dispersed 

 vii. Stunted, usually 1-flowered 



Branched, erect. Leaves often many inches 

 long 

 viii. Leaves lanceolate .. . 

 Leaves linear 



1. H. scoEPioiDBs, Lab. Stems erect, annual, usually unbranched, 6 inches 

 to 1^ foot high. Leaves linear to spathulate, usually white, with pubescence,. 

 1-1^ inch long. Flowers solitary, terminal, straw-yellow, |-1-| inch diameter. 

 Bracts narrow, slightly exceeding the flowers. 



Very common; also Southern and Eastern Australia. Fl. spring and summer. 



2. H. DEALBATUM, Lab. Stems simple, ascending from a persistent base. 

 Lower leaves lanceolate and 2 inches long, upper ones linear and shorter, all 

 silvery- white beneath Flowers terminal, solitary, about 1 inch diameter. 

 Bracts in many rows, the outer ones short and broad, pink ; the inner row 

 lanceolate, white, striate ; the innermost row similar but shorter. Florets 

 numerous, very short, much exceeded by the involucre. Achenes usually 

 papillose. Pappus bristles barbellate, coarsely so towards the end. 



Common, mostly in poor soil on hills ; also in Victoria. Fl. spring and 

 summer. 



3. H. PUMILUM, Sook. Small, densely-tufted plant. Leaves clustered at the 

 base of the stem, linear, with revolute margins, usually smooth above, 1-2 inches 

 long. Flower-stem usually 2-4 inches long, with few small linear leaf -like 

 bracts. Flower about | inch across. Bracts in many rows, mostly broadly 

 lanceolate, outer ones pale brown or red, the inner ones white. Florets numerous, 

 and shorter than the involucre. Achenes usually densely silky hairy. Pappus 

 bristles barbellate. 



Macquarie Harbour, Mt. Dundas, Mt. La Perouse, Adamson Peak, and 

 numerous other mountains. Fl. Dec. -Jan. 



4. H. BEACTEATUM, D. C. An ercct perennial, more or less simple, and 

 1-flowered, or freely branched, 2 feet high, with many flowers, in a loose leafy 

 panicle at the end of the branches. The stems and leaves more or less rough, 

 but not developing a woolly covering. Leaves scattered, oblong to linear, 1-4 

 inches long. Flowers mostly 1| inch diameter. Bracts numerous, broad, 

 bright yellow, shining, the outer ones darker. FJorets very numerous, much 



