268 
Composite. 
yellow (?), H. ramosum Sendtn. not W. K.*), H. argu- 
tidens monacense Fr.! — Chur: Briigg (Munich!) 5, 6, 
earlier than H. vulgatum . . Sendtneri Nag.! 1432. 
— Caul. Is 6—20, close-set, sessile, suddenly reduced and 
the upper transformed to scales; rad. Is clustered above 
the base of the stem, long-lanceolate, sinuate-dentate. 
Styles brownish. PI. also recalling the Sabauda by its 
slightly imbricate invol. Is. **)—Poschiavo: Briigg., Man- 
dello on the lake of Como! . . australe Fr. 1432b. 
75(31). Some of the invol. Is sp r e adi n g-r e f 1 ex e d at 
the top (comp. H. brevifolium). Styles often yellow. 
Upper branches gen. crowded in the form of an umbel 80 
— Invol. Is appressed. Styles gen. livid. Branches not ar¬ 
ranged in an umbel ...... 76* 
76. Invol. Is only forming a few rows, the inner slightly 
narrowed, often subacute. Caul. Is of a medium number 77 
— Invol. Is in several rows, distinctly imbricate, all dis¬ 
tinctly obtuse. Caul. Is very numerous. Late species! 78 
Section 19. Tridentata. 
77. Invol. Is gen. with scattered, simple hairs, and stellate 
hairs, the edges pale green, not changing at all in 
drying, the inner linear, almost equal in width. Differ¬ 
ing from H. boreale in its slenderer, hollow stems, 
in its less numerous, narrower Is, which have a long 
attenuation at both ends, with 2—3 large teeth on each 
side, in its slightly smaller heads, its invol. Is narrower, 
less obtuse, paler, and less imbricate, and its earlier 
time of flowering. Differing from H. vulgatum in its 
stems being without rad. Is, its lower caul. Is shortly 
petioled or sessile, its peduncles almost or entirely 
without glands, and its later bloom. H. rigidum Koch 
(and also Hartm. according to Lind.), H. leevigatum 
Sclil.! H. asperum Schl. H. sabaudum ambiguum Gaud.! 
—Road-sides and thickets; probably distrib., but not 
common. 8 . . . tridentatum Fr. 1433. 
— Invol. Is almost glabr., gen. without stellate hairs, easily 
becoming black in drying as in H. boreale; the inner 
ones broad at the base, then narrowed. Otherwise 
like the last Stem gen. glabr., often red below; caul. 
*) H. ramosum Schl.! the locality of which is unknown, is very like 
H. ramosum Lind. exs. 75. — H. canescens Schl. ! (murorum intermedium 
Gaud.) a neighbour of the last, but with few (2—3) caul. Is, and with scattered 
glandiferous hairs, also appears doubtful to us.— H. Dollineri Schultz bip.! 
(leevigatum Grisb., argutidens Dollineri Fr.!) connected by Fries with this last, 
appears to us nearer to II. Trachselianum. — H. murorum ramosum var. a. 
Gaud. = H. vulgatum. 
**) Species near to the section Italica (H. Virgaurea Coss., H. italicum 
Fr., H. provinciale Jord., H. barbatum Tausch.). 
