Helichrysum. | COMPOSIT (Harv.) 209 
All the inv. scales of one colour (rufous or horn-colour) : 
Heads pedicellate, corymbose or panicled : 
Depressed, fastigiate. Heads 10-12-fl.... ... (22) fastigiatum. 
Diffuse. Heads 40-50-fl.... ... ... ...  ... (23) cochleariforme. 
Heads 2~3-together, subtended by ovate, leafy bracts (24) pulchellum. 
Inner inv. scales white or creamy ; outer tawny, rufous, or rosy: 
Iny. scales squarrose or spreading ; heads oblong : 
Inv. scales acute; medial purple; inner bright 
PTGS ke onc ene wae “eee On en ee 
Inv. scales obtuse; medial tawny ; inner spoon- 
like, creamy... © os. | 4.0) desc eee > ave soe A 
Iny. scales erect or inflexed; heads globose : 
Inv. scales concave, very obtuse; inner spoon- 
Likes enow- wie. < ...4 sss cai ee ee (27) imbricatum, 
Inv. scales ovate, acute, flattish ; inner white- 
limbed SG et ee ee ee 
§ 5. OBvaLLaTA. Root woody, long unbranched. Stems many from the crown, 
half-herbaceous or suffruticose, depressed or decumbent. Leaves oblong or obovate, 
narrowed to the base. Heads few or many-flowered, globose or oval, one or several 
tn a tuft at the ends of the branches, sessile (except in No. 29), subtended by leaves. 
Iny. snow-white or rosy. (Sp. 29-35.) * 
Heads globose, 1-4-together, pedicellate, corymbulose ... (29) chionospherum. 
Heads globose, solitary, sessile ; inv. guite glabrous, silver- 
white” ss0 es Sue ee ee (0) er 
Heads oblong, in terminal tufts, sessile ; inv. scales acute or acuminate. 
Leaves linear, spathulate, or oblong, sessile : 
Heads many-flowered, 1-3-together ; lvs. very 
Woolly 6505s Scr Gj Sa ee Oe 
Heads 20—25-flowered, several in a tuft : 
Root thick and woody; stems much and 
closely branched ... ... ... «.. «.. (32) pachyrhizum. 
Root slender; stems slender, trailing or ; 
prostrate... .. (33) leptolepis. 
Lys. oval or oblong, petiolate, nerved, thinly ‘woolly (34) Gariepinum, 
Heads in terminal tufts, sessile; inv. scales very obtuse (35) catipes. 
§ 6. SpHamRocePHALA. Erect or diffuse suffrutices. Leaves sessile, ovate, oblong, 
or (in No, 41), lance-linear. Heads few or many-fl., in dense, mostly pedunculate, 
closely-branched cymes or tufts. Inyol. scales broadly ovate or obovate, obtuse 
(rarely acute), erect, not radiating, opaque-white or rosy. (Sp. 36-41.) 
Stems diffuse or procumbent, mostly branched : 
Inv. scales acute; leaves oval or oblong, mucronate (36) diffusum. 
Inv. scales obovate, very obtuse; lvs. obovate or spathulate. 
Stem alternately branched ; lvs. spathulate-obl. (37) crassifolium. 
Branched at the crown ; lvs. roundish-obovate (38) rotundifolium. 
Stems erect or suberect (1-4 feet high) : 
Leaves broadly ovate or obovate, 3-5-nerved : : 
Inv. scales cream or pale straw-colour ... ... (39) grandiflorum. 
Inv. scales snow-white bbe tee ics eee = (40) fruticans. 
Leaves ovato-lanceolate or lanceolate, acuminate ... (41) felinum. 
§ 7. Panicunata. Erect or ascending suffrutices. Leaves sessile, acute or acu- 
minate, rigid. Heads many-flowered, in simple or few-headed corymbs, mostly 
pedicellate. Inv. scales spreading, often radiating, mostly acute (in No. 44 obtuse), 
white or rosy, or pale lemon-colowr. (Sp. 42-47-) 
Leaves lanceolate-acuminate, or subulate : 
Branches and leaves greén, glabrous or villous (not 
silvery) Sa ses seer eee see ee Ass ces” (G2) etriatum. 
Branches and leaves silvery-white, silky : 
Leaves linear-lanceolate; inv. scales acute ... (43) paniculatum, 
VOL. Ill, 14 
