Leysera. | LXXIII, COMPOSITH (OLIVER AND HIERN). 355 
39. LEYSERA, Linn.; Benth. et Hook. f. Gen. Pl. ii. p. 327. 
Capitula heterogamous, radiate; florets all or mostly fertile; those 
of the ray female, in one row, those of the disk hermaphrodite. Invo- 
lucre turbinate-campanulate ; bracts in several rows, imbricated, dry ; 
the outer ones successively shorter. Receptacle flat, naked or nearly 
80 In our species. Corolla of the ray-florets narrowly ligulate, of the 
disk-florets narrowly tubular, regular, shortly 5-cleft. Anther-base 
Sagittate; auricles minute, very narrowly tailed. Style-branches 
narrow obtuse. Achenes narrow, angular. Pappus consisting of short 
pales connate at the base and of afew long outer plumose setee.— 
Rigid or slender herbs or undershrubs with narrow entire crowded 
leaves and yellow flowers. 
A small genus, all South African, except the following. 
1. L. discoidea, Cass. in Dict. Sc. Nat. xxvi. p.79 (1823). A 
slender somewhat glandular-scabrid shining annual, branched from the 
crown of the root, 3-6 in. high. Leaves narrowly linear or filiform, 
ranging up to lin. long. Capitula 4 in. long, solitary, on slender 
divaricate subterminal peduncles of 1-24 in. long. Involucral bracts 
obtuse, linear or the outer ones oblong or oval, the inner ones with 
Scarious tips. Ligule of the ray-florets very small. Sete of the outer 
Pappus plumose towards the apex.—Longchampia cupillifolia, Willd. 
in Ges. Nat. Freunde Mag. v. p. 160 (Berol., 1811); Leyssera capilli- 
folia, DC. Prodr. vi. p. 279 cum syn, 
Nile Land. Soturba, Schweinfurth ! 
urs also from Spain through North Africa to Western Asia. 
40. ATHRIXIA, Ker.; Benth. et Hook. f. Gen. Pl. ii. 328. 
Capitula heterogamous radiate, ray-florets ligulate (in the following 
Sp-). Involucre turbinate-campanulate, many-flowered ; bracts multi- 
Seriate pointed narrow with squarrose tips, outer successively shorter. 
Receptacle naked, Anther-base sagittate with tailed auricles. Achenes 
oblong costate. Pappus ]-seriate or with very short outer setulse.— 
Tubby (or herbaceous) with alternate entire narrow revolute leaves 
and terminal solitary or subcorymbose pink (or yellow) capitula. 
Chiefly South African and Australian. 
b l. a, rosmarinifolia, O. § H. Fruticose, 2 ft. high or more ; 
ranches virgate, erect or ascending, slender, leafy above, terete, some- 
What striate, whitish tomentose or puberulous at the extremities, 
puberalous or thinly lanate below, ultimately glabrate. Leaves linear 
: errowly linear-lanceolate, acute or apiculate, sessile, not narrowed 
. ase, albido-tomentose beneath, nearly or quite glabrous and shining 
wa” coriaceous, margins entire revolute ; 1-82 in. long by 3—J in. 
Paha uppermost smaller. Capitula 4 in. long, on very short _pe- 
Xcles, solitary or 1-3 close together, terminal and subterminal. 
ea of the involucre acute, apiculate, more or less woolly at the 
at least above, reflexed at apex; inner linear, ciliate, scarcely 
AA2 
