COMPOSITE. 
165 
6. GNAPHALIUMj Linn. 
Flowers many in a head, all tubular and fertile, many outer rows 
female, a few in the centre hermaphrodite. Involucre campanulate ; 
scales 2-3-serial, dry, acute, immersed in cotton, outer broader. Re- 
ceptacle flat, naked. Anthers tailed at the base. Style-branches sub- 
terete. Achenes very minute, oblanceolate, subterete or rather flattened ; 
pappus of one row of very fine flexuose setae. — Cottony herbs, with 
crowded entire alternate leaves, the small heads in corymbs or panicles. 
Distrib. Cosmopolitan. Species about 100. 
Heads corymbose 1 . Gt. lutbo-album. 
Heads in a congested panicle 2. Gr. indicum. 
1. G. luteo-album, Linn. ; DC. Prod. vi. 230. An erect annual 
1-2 feet high, with little-branched stems, matted with adpressed cottony 
pubescence. Leaves not crowded, thinly cottony ; lower oblanceolate, 
very obtuse, 2-3 in long; stem-leaves sessile, not decurrent, little crisped, 
upper acute. Heads congested in 1-3 dense clusters. Involucre cam- 
panulate, i in. long ; scales pale, acute. Flowers 50 or more in a head. 
Achenes oblanceolate, subterete, very minute, naked ; pappus in. 
long, of very fine flexuose white bristles. 
Var. pallidum (Lam.; DC. Prod. vi. 230, as a species). Much- 
branched. Stem-leaves lanceolate, acute, with crisped edges. Clusters 
of heads many, forming a corymbose panicle, the lower one in the axils 
of its forks ; scales pale. 
Var. akntcoides (Lam. ; DC. Prod. vi. 227, as a species). Stems 
short, simple, almost shrubby. Leaves more densely cottony. 
Clusters of heads many, aggregated in a dense terminal corymb. 
Involucre larger, with broader less acute scales. 
Mauritius, the two first varieties in the low ground, the third on the Pouce and 
other mountains. Cosmopolitan. 
2. G. indicum, Linn. ; DC. Prod. vi. 231. An annual herb, with 
very numerous cottony slender stems ^ foot long, spreading from the 
crown of the root. Leaves crowded, sessile, linear-spathulate, 1-1^ in. 
long, obtuse, with a minute raucro, very cottony, the edges crisped. 
Heads in spicate terminal panicles, the top congested and leafless, the 
lower branches arising from the axils of small leaves. Involucre % in. 
long, immersed in cotton ; scales linear, brownish or white. Flowers 
50 or more in a head, a few in the centre hermaphrodite. Achenes 
very minute, obovoid, rather flattened ; pappus of very fine flexuose 
whitish setae. 
Mauritius, in cultivated fields at Moka and Port Louis. Common throughout the 
tropics of the Old World. 
7. CYLINDROCLINE, Cass. 
Heads heterogamous, of many flowers, all tubular with slender 
corollas, the outer female, the inner hermaphrodite. Involucre oblong, 
of very numerous dry scales, the inner acute, naked, the outer gradually 
shorter, obtuse, with a tuft of wool at the top. Receptacle very 
