Helichrysum.] LXV. COMPOSITE. 885 



Flower-heads singly termiijating the branches on long peduncles. Pappus- 

 bristles simple or equally denticulate. 

 Eadiating involucral bracts rigid, mostly obtuse (yellow, brown, red or 



white). Stem tall, usually branched , i. H. bracteatuvi. 



Radiating involucral bracts petal-like, mostly acute (white or pink). 

 No floral leaves. 

 Leaves lanceolate or oblong, cottony underneath or on both sides . . 5. H. elatim. 



Upper leaves linear, glutinous, without cottony wool G. iJ. ghitinomm. 



Section III. Oxylepls.— PfrfjuiiaZs or vndenhrubs. Involucre) hemispherical or broadly 

 cainpamilate, the bracts all uith linear claics and radiating lamina, narrate, acute, and often 

 resolute. Papptis-bristles simple or shm'tly barbellate, not thickened nw more barbellate ■upwards. 



Involucres broadly hemispherical, radiating laminee subulate-acuminate. 

 Leaves linear with revolute margins, glabrous or glandular-pubescent . 7. H. oxylepia. 

 Leaves oblong or lanceolate, cottony-white underneath. 



Laminje of the involucral bracts spreading or reflexed, the long ones 



longer than their loosely woolly or nearly glabrous claws .... 8. H. collinum. 

 Lamince of the involucral bracts revolute, all shorter than their 



densely woolly claws 9. H. ritptcoZo. 



Involucres campan'ulate, laminse small, narrow, scarious. Leaves obovate 



or spathulate, woolly-white on both sides 10. H. podolepideum. 



Section IV. ChryBOCepIialuni. — Herbs loith corymbose flower-heads. Involucre ovoid- 

 turlnnate or almost globose, the bracts colonred in many rcnos scarcely exceeding the florets, 

 appressed or aqiiarrose, ciliate. Female florets in 1 or 2 rows, Init not so numerous as the her- 

 maphrodite ones. Achenes glabi-ous or papillose. I'appus-bristles few, simple at the base, 

 plumose at the end. 



Leaves usually flat and cottony. Flower-heads often 6 to 8 lines diameter, 



loosely corymbose, the bracts scarcely squarroee 11. H. apiculatnm. 



Leaves very narrow or not cottony. Flower-heads small, densely corym- 

 bose, the bracts often squarrose 12. H. semipapposum. 



Section V. OzothamnUB.— jS/du&s m- rarely undershrubs or herbs. Involucre imall, 

 oblong-ovoid or turbinate campanulate {rarely larger and ovoid- conical), the bracts imbricate, not 

 exceeding the florets or the inner ones with small coloured radiating tips not much longer than the 

 florets. Female florets few or nrnie. Achenes glabrous or shortly villons. Pappus-bristtes simple, 

 often thickened or more denticulate towards the end. 



Flower-heads small. Panicles small, compact, terminating the leafy 

 branches of shrubs (or undershrubs?) Involucral bracts scarious 

 without spreading tips. 



Leaves ovate on slender petioles. Branches slender, divaricate . . .13. H. Bidwillii. 



Leaves elliptical-oblong or linear, almost sessile. Branches slender, 



divaricate 14. H. Becklerii. 



Leaves very small, erect with recurved margins, sessile with rounded 



auricles. Branches virgate 15. H. diotophyllum. 



Flower-heads small, usually numerous, in terminal corymbs. Erect 

 shrubs. Leaves linear with revolute margins, rarely almost lan- 

 ceolate and flat. 



Involucral bracts with concave erect or loose but not spreading obtuse 

 tips, all or the inner ones white or pink. Leaves not decurrent. 

 Florets above 20 Id. H. diosmifolium. 



Involucre ovoid-turbinate. Florets above 15. Achenes glabrous or 



papillose. Leaves not decurrent . . . . . . . . . . • ■ . 17. H. cinereum. 



Involucre narrow. Florets 10 to 15. Achenes glabrous ...'.. 18. H. cassinioidei. 



1. H. semifertile (inner florets fertile in part), F. v. M. Rep. Babb. Exped. 

 14 ; Bmith. Fl, Aitstr. iii. 617. An erect much-branched annual of 2 to 6in., 

 very slightly wooUy-tomentose or glabrous. Leaves narrow-linear, obtuse.^ 

 Flower-heads on very short peduncles, forming an irregular leafy corymb. 

 Involucre ovoid-campanulate, about 3 lines long, the outer bracts, sessile, obtuse 

 and appressed, brown or pale-coloured, the innermost with oblong whitish or 

 bright yellow radiating laminse, smaller than in the preceding species. Florets 

 10 to 15, some of the inner ones frequently sterile. Achenes sprinkled with 

 erect transparent hairs. Pappus-bristles rather numerous, barbellate, especially 

 towards the end. — Pteivpogon ramosissimus, F. v. M. in LinnsBa, xxv. 412. 



Hab.: Inland southern localities. 

 Pakt hi. H 



