346 LXXIII. COMPOSITE (OLIVER AND HIERN). [Helichrysum. 
Capitula sessile, in globose heads. 
1-1} ft. high ». . ... 1. H. pachyrhizum. 
l-l}in,high. . . . . «62 A rosulatum. 
Capitula sessile or subsessile, in branched cymes. ; 
Capitula oblong. Leaves elliptical . . . 3. H. Nimmoanum. 
Capitula campanulate. Leaves obovate . 4. H. awriculatum. — 
Capitula globose. Leaves linear-oblong . 5. H. Quartimianum. 
Capitula solitary or subsolitary or 3-4 together, 
large or if small on slender peduncles. 
Capitula small, on slender peduncles . . . . 6. H. gracilipes: 
Capitula not small, ; 
Spinous. oo. 
Involucral scales scarious . 7. H. citrispinum. 
Involucral scales straw-coloured 8. H. horridum. 
Not spinous. 
Involucre straw-coloured. 
Capitula solitary. 
Capitula 4-4 in. long. 7 
Leaves lanceolate. . . . . . 9. A. Petersit. 
Leaves linear-lanceolate. . . . 10. H. Kirkit. 
Capitulalin.long. . . . . . 11. H. Newt. 
Capitula clustered, 3-4 together. . . 12. H. nitens. 
Involucre purplish or white. i. 
Achenes thinly pubescent. . . . . 13. H. elegantissumum. 
Achenes glandular . . . . . . . 14. H.adenocarpum. 
Florets not all hermaphrodite. 
2 florets fow. 
Capitula solitary, white . . . . . . . . 15. H. argyrospherum. 
Capitula clustered, yellow. . . . . . . . 16. H.abyssinicum. 
@ florets 0. 
Branches narrowly alate . . . . . . . . 1%. H. biafranum. 
Branches not alate . . . . . . . . . . 18. A. fetidum. 
Receptacle with conspicuous fimbrilla, 
Florets all hermaphrodite. . 
Tips of ivolucral scales straw-coloured . . . . 19. H. gerbera folium. 
Tips of involucral scales white. 
Inflorescence globose, not umbellate . . . . 20. H. undatum. 
Inflorescence corymbose, umbellate. . . . . 21. H. oxyphyllum. 
Hermaphrodite florets 1-5; the rest 9. 
Leaves lanceolate or linear, all sessile. . . . 22. H. cymosum. 
Leaves narrowly elliptical, lower petioled . . 23. H. globosum. 
1. &. pachyrhizum, Harv. in Harv. ef Sond. Fl. Cap. iii. p.£222, 
Erect herb from a suffruticose base, 1-14 ft. high; branches numerous, 
erect or ascending, subvirgate, terete, leafy, whitish-tomentose above, 
often subglabrate below. Leaves linear oblong or spathulate, obtuse 
or subacute, mucronate, sessile, semi-amplexicaul, white-lanate-tomen 
tose, 4-2 in. long by 4-4 in. wide; margins entire, often revolute. 
Capitula campanulate, } in. long, 20-22-flowered, sessile or subses . 
crowded several together in globular clusters 4-1 in. diam., goats 
corymbose at ends of the branches. Flowers all hermaphrodite. Boal 
of involucre pluriseriate, loosely imbricated, hyaline except green _ 
coriaceous midrib near base, acute, glabrous; innermost acumina fe 
lanceolate above, spathulate below; outer and intermediate oblong A 
oblanceolate-oblong, often crimson about middle; outer imbedded # 
base in fine white wool. Receptacle small, prominent, naked or W 
