Compositae. 
241 
357. Chlorocrepis. Chlorocrepis. XIX, 24. 
1. Stem leafless, scaly towards the top, bearing 1—3 heads. 
Ls glaucous, glabr., linear-lanceolate, entire or with 
distant teeth. FIs light yellow, turning green when dried. 
Rt-stock long, slender. Hieracium staticifolium All.— 
Rocky places in the Alp. and subalp., descending to 
the plains with rivers. 7 . staticifolia Griseb. 1357. 
358. Hieracium. Hawk weed. XIX, 23.*) 
1. Achenes IV 2 —2 mm long, denticulate at the top by the 
prominent ends of the ribs. Rt-stock often stoloniferous. 
(Ls gen. entire, narrowed towards the base, with no 
distinct petiole.)—Subgenus I. Pilosella . . 2 
— Achenes 2 x /2—5 mm long, not clearly denticulate at the 
top. (FIs always yellow.)—Subgenus II. Euhieracium. 21 
Subgenus I. Pilosella. 
2. Stem leafless or bearing a single 1., 1-headed (ped¬ 
uncle mostly rad.!), or 1—3 times forked, the heads 
with, more or less, long peduncles. Ls always having 
stellate hairs underneath! rt-stock gen. stoloniferous. 
Ligules of the circumference gen. reddish underneath. 
—Sect. I. Pilosellina ...... S 
— Stem bearing, in the lower portion, 1 — 3 ls, rarely 
more; 3—100 heads, arranged at the top of the stem 
in a corymb, the heads being more shortly peduncled 
than in the pis of the last paragraph ; exceptionally the 
stem is dichotomous, or by suppression bears only 
1 head, but then the ls have no stellate hairs under¬ 
neath (Auricula), or the stolons wanting and the mar¬ 
ginal ligules concoloured, yellow (glacialis, alpicola) 3 
3. Ligules purplish or orange, or yellow but those of the 
circumference purplish underneath. High mountain pis 13 
— Ligules all concoloured, yellow . ... 4 
4. Heads 3—5, rarely more, or solitary through suppression. 
Stem gen. arched at the base, 5—20 cm high . 3 
— Heads 7 — 100, rarely fewer. Stem gen.'upright from the 
base, 30 cm high or more ..... 6* 
5. Ls glandless (comp. H. Laggeri). Stem terminated by a 
corymb (sometimes umbelliform) .... 12 
— Ls glandular. Stem 1—several times forked towards 
the top. (Species of the high Alp. of Wall., absolutely 
without stolons) ....... 14 
*) Compare: Burnat et Gremli, catalogue des Hieracium des Alpes 
maritimes. 1883, and Gremli, les Epervieres du Valaia in B. S. M. XII, also 
N. Boitr. Ill, 47; also, for the subgenus Pilosella, the excellent monograph 
by Nageli and Peter (= N. P.); “Hieracien Mittel-Europa’s,” 1885; and 
the Exsiccata distributed, by Peter. 
