.Compositae. 
253 
thick and slightly arched; rad. Is often with a distinctly 
separated petiole, the caul. gen. narrowed at the base. 
Invol. Is equal (narrow-acuminate), the outer ones 
often paler, forming an outer invol. Collective species? 
H. pallescens Gaud.! not W. K., macrophyllum Scbd.! 
—b. salcevense Bap.! Caul. Is only 2 (at most 3), broader, 
hairy above; the rad. numerous; peduncles with black, 
and sometimes glandiferous, hairs at the base; invol. Is 
less acuminate, darker.—Alp., rare; Engadine! Tessin! 
Wallis! Yaud! Freibg. Ganterisch! Appenzell;b. Saleve! 7 
dentatum Hoppe. 1381.*) 
42 (39). Ls gen. distinctly toothed; hairs of the rad. Is not 
denticulate. Peduncles gen. without glands. Stem gen. 
1-headed. Caul, ls up to 8 in number, sometimes broad. 
H. pilosum auct. p. Alp. and subalp.; W. Y. B. 0. A. 7 
pseudoporrectum Chr. ! 1382. 
— Ls with almost entire edges; hairs of the rad. ls dis¬ 
tinctly denticulate. Peduncles often with isolated glands. 
Stem with 2—4 ls, and 2—5 heads with long straight 
peduncles which bear linear scales in the upper part. 
Rad. ls with a long and gradual attenuation at the base. 
Invol. ls more finely acuminate than in the last. Ligules 
glabr.—Reculet in the Jura. 7 * porrectum Fr.! 1383. 
43 (37). Invol. ls fairly equal, the outer ones only as broad 
or indeed narrower than the inner, applied or loosely 
erect. PL often Avith several stems, taller, more leafy, 
and often rather less glaucous than H. villosum; caul, 
ls several (as many as 8, rarely fewer than 4), broadly 
rounded at the base, oval or oval-lanceolate, the rad. 
often partly perished at the time of flowering. Hairs 
often rather less abundant and shorter than in H. villo- 
sum, those of the lower ls often more distinctly denti¬ 
culate. Heads gen. more numerous, closer packed, 
smaller, with darker invols. Ligules sometimes slightly 
ciliate.—Var.: ls coarsely sinuate-dentate, (v. grossidens 
Fr.!) II. obscurum Zoll.—As in H. villosum. 7 
elongatum Frol. 1384. 
— Invol. ls unequal, the outer ones distant, spreading, 
distinctlybroader, often almost leaf-like. PI. covered 
with a dense, long, villosity, very rarely (v. nudum = H. 
coerulescens Steiger?) without hairs, the invol. only 
*) H. dentatum hirtum Lagg. ! Fr. is probably a distinct species . 
Stem ascending - , ls firmer, less glaucous, narrower, gen. hairy on both sides, 
the caul, small; peduncles with glandiferous hairs mixed with the others. 
H. denticulatum Schl. p. non alior. should probably be connected with this 
form. Differing from H. scorzonermfolium in its habit, its stiffer and shorter 
hairs, its sinuate-dentate ls, hairy underneath. Rocky places; Rappaz! Alp. 
of Bex 1 
