BRITISH HIEEACIA. 21 



H. melanocephalwm. Hook and Am. Ed. 7, p. 219. (not of Tausch). 

 H. villosum. E. B. t. 2379. (not of Linn.). 



p TENELLinil. Stem shorter, more slender. Boot-leaves lanceolate or linear- 

 lanceolate. Styles yellow. 



Cliffs of 2000 to 3000 feet elevation. Abundant in Glen Fiadh, 

 Glen Dole, Kavine of the White Water, Carlowie, Bassies, Craig 

 Wharral, Cliffs above Loch Brandy, Caness, Canlochen Glen, and 

 many other parts of the Clova district, on mica slate. Head of 

 Glen Callater and cUffs above Loch Ceanndin, Braemar. Eare on the 

 granite of Lochnagar and Ben-na-bourd. Little Craigindal, associated 

 •with H. Globosum. 



Q tenelhim. Granitic mountains of the Caimgorum range. CUffs 

 of Ben-na-main above Loch Aan, Caimtoul, Ben-na-bourd and 

 Little Craigindal (Braemar). Caness and cliffs above Loch Ceanndin ? 

 Eorfarshire. 



Elowers in 7th and 8th months. 



Plant 6 to 15 inches high, with large heads. Root-stock 

 thick, woody, usually elongated. Stem floccose, clothed more or 

 less densely with black-based shaggy hairs and setsej single 

 headed, or (rarely) branched and with two to four heads on elon- 

 gated peduncles. Leaves soft, green ; with rather coarse, scattered, 

 shaggy, denticulate hairs on both sides. Eoot-leaves persistent, 

 3 to 7 inches long, lanceolate, or linear-lanceolate, acute ; with 

 sharp irregular teeth (occasionally very large) tipped with glands 

 and always pointing forwards; rarely entire; original ones 

 broader, more spathulate, sub-acute or rounded ; all narrowed 

 into long shaggy winged petioles, which are sometimes so broad as 

 to make the leaf appear sessile. Stem-leaves 1 to 3, sessile, 

 small, linear, or linear-lanceolate, acute, frequently resembling 

 bracts. Involucres drooping in the bud, ultimately erect, broadly 

 rounded or truncate at the base ; densely clothed with shaggy or 

 rather silky, black-based, white hairs. Fhyllaries more or less 



