THE DAISY FAMILY 
i47 
Common Sneezewort. (Achillea Ptarmica, Linn.)— A very similar species, with larger 
and fewer flower-heads, and undivided, narrow, toothed leaves. [ Plate 68. 
Common. Moist meadows, moors. July — August. Perennial. 
COTTON-WEED. (DIOTIS, DESF.)— A genus consisting of the one species — 
Seaside Cotton-weed. (Diotis candidissima, Desf.)— Flower-heads roundish, many- 
flowered, in dense terminal clusters (corymbs). Florets all tubular, perfect, yellow. Flower-bracts 
numerous, egg-shaped (ovate), very woolly. Calyx-tube without hairs or any crown ; petals 5, 
united into a tube, which has 2 spurs at its base which remain with the fruit, and separating at 
the top into 5 short teeth ; stamens 5, with united anthers ; carpels 2, united. Fruit an achene 
almost enclosed in the 2 spurs of the corolla-tube. A herb, densely covered with thick, white, 
cottony wool, about 1 foot high ; with alternate, blunt, oblong leaves half clasping the stem (semi- 
amplexicaul) ; and a long, woody root creeping under ground and giving off many stout ascending 
stems. 
Very rare. Sandy sea-shores. August — September. Perennial. 
TANSY. (TANACETUM, LINN.) — Flower-heads nearly round, in terminal clusters (corymbs). 
Florets all tubular, yellow, or with the outer ones, which are always stamenless (female), strap- 
shaped (ligulate), but not longer than the others. Flower-bracts with membranous edges. Calyx 
tube not surmounted with hairs or border ; petals 5, united into a tube and separating into 5 short 
teeth (tubular), or united into a tube at the base and spreading into a very short, strap-shaped limb 
(ligulate) ; stamens 5, with united anthers, or o ; carpels 2 or o. Fruit an achene, ribbed, but 
without border or hairs (pappus). Herbs with alternate, much divided leaves. 
Common Tansy. (Tanacetum vulgare, Linn.) — The only British species (as just 
described), the stems being 2-3 feet high, and the leaves divided to the midrib into numerous 
pairs of leaflets (pinnate), which are deeply lobed towards the midrib (pinnatifid). The whole 
plant has a strong scent and is very bitter. It was largely used in medicine. [ Plate 68. 
Not common. Waysides, waste places. August — September. Perennial. 
CHAMOMILE. (ANTHEMIS, MICH.) — Flower-heads usually large, solitary, terminating the 
stem and branches. The outer (ray) florets strap-shaped (ligulate), without stamens (female) and 
sometimes without either stamens or carpels (neuter), white, yellow, or rose-colour ; the inner (disk) 
florets tubular, perfect, yellow. Flower-bracts in rows with membranous margins. Calyx-tube 
crowned with a raised border ; petals 5, united into a small tube and spreading into a fiat, strap- 
shaped limb (ligulate), or united into a tube and separating into 5 short teeth (tubular) ; stamens 5, 
with the anthers united, or o ; carpels 2, united, or o. Fruit an achene crowned with the calyx- 
border. Herbs strongly scented, with alternate, finely-divided leaves. 
*Ox-eye Chamomile. (Anthemis tinctoria, Linn.)— Not a native. As just described. 
Flower-heads large, i-i-| inches across, solitary, terminating the stem and branches. Florets bright 
yellow. Achenes ribbed and crowned with the conspicuous calyx-border. Stems 1-2 feet 
high, much branched. Leaves deeply lobed to the midrib and again lobed into narrow, strap- 
shaped segments (bi-pinnatifid), downy. 
Introduced into some of our eastern counties. July — August. Biennial. 
Stinking" Chamomile. (Anthemis Cotula, Linn.)— Flower-heads about 1 inch across, 
solitary, terminating the stem and branches, which are so much branched that the flower-heads 
seem clustered. The outer (ray) florets without either stamens or carpels (neuter), white. [As 
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