BRmSII HIEEACIA. 



18. H. ABGENTETJM. Extremely glaucous. Stem simple or 

 branched, with one or few leaves, and few heads on elon- 

 gated rigid peduncles, /^^mZos*, glabrous. Root-leaves lan- 

 ceolate, acute, denticulate towards the middle or entire, glab- 

 rous above; narrowed into short petioles. Stem-leaves 

 sub-sessile. Involucres broadly ventricose, ultimately 

 truncate below, with scattered hairs, floccose. Phyllaries 

 sub-ohtuse, appressed. Florets glabrous. Styles yellow. 



H. argenteum. Fries, Symb. p. 99. 



H. pallidum Q peraicifoUum. Bab. Man. Ed. 3, p. 195. 



Moimtain districts of England, Scotland and "W^ales : ratber local. 

 Melbreak near Crummock "Water, and Great End, Cumberland. 

 KUbo Corrie, Glen Eiadh, Corrie of Clova, Eavine of the White 

 Water, and heathy hillocks near the Kirktown of Clova. Damp 

 micaceous ravine above the Spital of Glen Shee. E,ocky margins of 

 the Clunie in Castle-town of Braemar. Craig Dhuloch, on granite. 

 Harris, Hebrides, root of Snowdon, North Wales. 



Flowers in 7th and 8th months. 



Plant 1 to 3 feet high, with heads of medium size. Hoot 

 slender, descending with few brittle fibres. Stem erect, fistulose, 

 milky, brittle, rather rigid, striated, nearly or quite glabrous, with 

 few (1 to 3) leaves ; simple with 2 to 4 heads, or branched 

 . from the base, each branch bearing 1 to 3 heads. Leaves silvery- 

 glaucous ; glabrous, or with short scattered hairs beneath and at 

 the margins. Root-leaves not numerous, 3 to 4 inches long, 

 remotely denticulate, or dentate towards the middle ; frequently 

 entire or narrowed into slightly hairy (usually short) petioles. 

 Original leaves rather obtuse. Stem-leaves sessile or lowest ones 

 (rarely) stalked, lanceolate or linear-lanceolate ; uppermost small. 

 Peduncles elongated, rigid. JBuds cylindrical. Involucres small, 

 constricted above. OuiQx fhi/llaries incumbent in bud, usually 



