ANIENNAEIA. — ACHILLEA. 193 



blunt coloured, root-Z. ohovate tpaihulate glabrous above cottony 

 beneath, stem-1. nearly eq^ual linear-lanceolate adpressed. — Ona- 

 phalium Sm. £. B. 267.— St. prostrate, woody, ending in a 

 tuft of many 1. and producing prostrate leafy stoles. Plowering 

 St. 4—8 in. bigb, quite simple, cottony. Heads 4 — 5, erect, 

 sligbtly stalked. Phyll. white or rose-colour. — 0. A. hyperhorea 

 (D. Don) ; 1. cottony on both sides. K B. 8. 2640.— Mountain 

 heaths. P. VI. Vn. Cat's-foot. E. S. I. 



*2. A. margaritdcea (K. Br.) ; st. erect corymbosely branched 

 above leafy, I. linear-lanceolate acute cottony below, heads in 

 level-topped corymbs.— .B. B. 2018.— St. 2—3 feet high, cot- 

 tony. L. alternate, slightly cottony above, densely beneath. 

 Inv. white. Fl. yellowish. — Moist meadows, rare. Established 

 by rivers in Monm., Glam., and Merionethshires. P. VIII. E. 



Tribe VI. Anthemidem. 



Heads usually radiant, fl. of ray fem. or neuter, ligulate or 

 slender and tubular ; of disk tubular. Anth. not tailed. Style- 

 branches truncate. Pappus often wanting or crownlike, rarely 

 formed of scales or slender hairs. 



14.; (22.) Achille'a Zmji. Yarrow. ) 



1. A. Ptar'mica (L.) ; I. shining linear-lanceolate attenuate 

 acute glabrous smooth uniformly and finely serrate, teeth adpressed 

 mucronate minutely scabrous at the margin, ray 8 — 12-flowered 

 equalling the involucre, corymb coinpound. — B. B. 757. -B. 

 xvi. 1024. — St. about 2 feet high, slightly branched above, erect, 

 leafy, angular, smooth. Phyll. with a dark-brown membranous 

 margin. Limb of the radiant florets longer than broad, white. 

 Disk broad, white. L. sometimes very narrow ; lower teeth not 

 deeper than the others. — Moist meadows and thickets. P. VII. 

 VIII. Sneezewort. E. S. I. 



\_A. decoldrnns (Schrad.) ; 1. opaque bluntish downy thickly 

 dotted coarsely and doubly serrate with spreading teeth laciniate 

 and radiating at the base, ray 6- or 6-flowered about equalling 

 the involucre. — A. serrata Sm. JE. B. 2631. — Not known except 

 in gardens. P. IX.] 



\_A. tomentSsa (L.) ; I. with a linear-lanceolate outline pinna- 

 tifid woolly, lohes crowded linear acute, trifid in the lowermost 

 leaves, 2 — 3-fid in the intermediate, v/ppermost simple, corymb 

 repeatedly coiopound, ra^ equalling about half the involucre.^ 

 E. B. 2532. — St. 10 — 12 m. high, decumbent at the base, woolly, 

 simple. Phyll. woolly, edged with brown. Bisk and rays 

 golden yellow. — Scarcely naturalized. P. VH. VHI.] 



