Composite. 
211 
2. Achenes villous. Ls soft, villous-woolly, the caul, cor¬ 
date-clasping.—Marshy fields; ditches; Rhone valley, 
Lakes of Geneva, Neuchatel and Constance. 7 
britannica L. 1185. 
— Achenes glabr. ....... 3 
3. Ls gray-tomentose underneath, the caul, narrowed to 
the base.—Damp thickets, water side; western Switz. as 
far as Aarau, Giswyl. 8 . . . Vaiflantii Vill. 1136. 
— Ls glabr or covered with spreading hairs . . 4 
4. Ls (and stem) villous or rough on both sides with spread¬ 
ing hairs thickened at the base. Stem bearing 1—3 heads. 
Invol.-leaflets erect. -Rocky, wooded places; T. Z. (Wei- 
acherberg). S. (Wirbelberg). 6 . . hirta L. 1137. 
— Ls glabr. or rough-ciliate at the edges. Outer invol.- 
leaflets curved outwards ..... 3 
5. Upper ls cordate-clasping. Stem gen. few-headed.-- 
Damp meadows, hills, dry pasturages; distrib. 6 
salicina L. 1138. 
— Upper ls rounded at the base. Stem gen. many-headed, 
very leafy. I. squarrosa L. Koch.—Thickety hills; T. 
(Gandriaj. 7. spirseifolia L. 1139. 
OBS. Hybrids: I. hirta-sctlicina (spuria Kern.); J. salicina-Vaillantii 
(semiamplexicaulis Reut.). 
300. Conyza. Conyza. XIX, 51. 
1. Ls. elliptic-lanceolate, slightly tomentose underneath. 
Heads in a corymb. Invol.-leaflets brownish, reflexed at 
the top. Inula conyza Dec.— Stony, thickety places, walls; 
distrib. 6. squarrosa L. 1140. 
301. Pulicaria. Pulicaria. XIX, 76. 
1. Heads of medium size. Ray fls spreading, distinctly longer 
than the invol. Caul, ls deeply cordate at the base.— 
Ditches; everywhere. 7, 8 . dysentericaG&rtn. 1141. 
Heads small. Ray fls erect, scarcely longer than the 
invol. Caul. Is with rounded base or scarcely half-clasp¬ 
ing.—As the last; western Switz., rather rare. 7 
vulgaris Gartn. 1142. 
302. Buphthalmum. Buphthalmum. XIX, 61. 
1. Ls oblong-lanceolate, the upper linear-lanceolate. Re¬ 
ceptacle covered with scarious scales (which distinguishes 
this genus from Inula!) — b. grandiflorurn L. Ls longer 
and narrower. Scales of recept. not truncate; probably 
a species. —Stony mountain slopes; pasturages; distrib. 
but not common; b. Tess., especially trans Cenere. 7 
salicifolium L, 1143. 
