208 COMPOSIT (Harv.) [ Helichrysum. 
A. ARGYREIA. Inv. scales white or reddish, rarely tawny, horn-colour or 
brownish (not yellow).* (§ 1-9.) 
§ 1. Leprornia. Slender annuals. Heads small, either tufted at the ends of 
the branches or rarely corymbose. Inv. scales either white, brown, horn-colour, or 
pale straw-colour. (Sp. 1-8.) 
Heads several together, sessile or subsessile in terminal tufts : 
Inv. scales brown or horn-colour. Lvs. mucronate (1) leptorhizum. 
Iny. scales straw-colour or purplish. Lys. obtuse : 
Iny. scales acuminate, hook-pointed ...... (2) Leontonyx. 
Iny. scales obtuse or enti be straight: 
Leaves oblong or obovate : 
Heads 25-30-flowered ... ... ... (3) alsinoides. 
Heads about 10-flowered . ... (4) micropoides. 
Leaves linear, woolly. Heads 5-8- 7 ee (5) filagineum. 
Inv. scales snow-white, obtuse ... (7) herniarioides. 
Heads pedicellate, racemose or axillary ; : Ivs. petioled; 
inv. scales whitish (6) capillaceum. 
Heads —— panicled lvs. spathulata 5 : inv. snow 
white (8) expansum. 
§ 2. Ericerorta. Small shrubs or suffrutices. Leaves linear or minute, and 
seale-like. Heads small, terminal, sessile, solitary or in tufts or spikes. Inv. scales 
egnncigce or — rarely rufous. p. 9-16.) 
Heads numerous, in a terminal ike Lys. woolly (9) spiciforme. 
Branches and leaves rn wea Ded ave se 2 (0). corastoides. 
Branches and leaves glabrous... ... .. (11) paronychioides. 
Br. and lvs. gland-scabrid, the young cobwebby (12) oxybelium. 
Heads 3-6, in terminal tufts : 
Loosely branched, erect or spreading (very 
variable) ... .-» «+. (13) ericzfolium. 
densely ramulous, level- topped --. (14) cespititium. 
Leaves linear, quite flat; heads solitary, terminal ... (15) simulans, 
Leaves minute, scale-like, ovate, appressed ; ach. silky (16) ericoides. 
. Decttnata. Herbaceous or suffrutices, sometimes nearly stemless. Leaves 
(not heath. like ) either spathulate, oval or obovate, or linear-oblong. Heads small, 
corymbose, rarely solitary. Inv. scales white. (Sp. 17-21.) 
Stems loosely branched, diffuse or ascending : 
Herbaceous. Leaves linear- spathulate, acute ... (17) declinatum. 
Suffruticose. Leaves oval or obovate; inv. scales 
linear-oblong .. .. .» (18) serpyllifolium. 
Dwarf, tufted ; branches short, closely leafy: 
Heads corymbose, on laxly leafy flower-branches : 
Leaves obovate or oval, short... ... ... ... (19) Sutherlandi. 
Leaves lance-linear, elongate oat (20) Ernestianum. 
Heads solitary, at the end of leafy short branches .. (21) sessile, 
§ 4. Impricata. Much branched (mostly small), half-herbaceous or suffruticose 
perennials. Leaves obovate or spathulate. Heads 10-60-f1., either solitary or 2-3- 
together, ending short branches, pedicellate. Inv. imbricated in several rows, gla- 
brous, its scales rarely acute, concave or squarrose, reddish-brown, tawny, or horn- 
colour, the innermost sometimes white or creamy. (Sp. 22-28.) 
_ * In two or three species of § 7 the invol. varies from pure white to pale lemon- 
colour: in a few other cases to straw-colour. 
