30 BKITISH HIGBACIA. 



10, H. LINGUIATUM. Green. Stem simple or branched, with 

 few heads. Root-lemes lanceolate or oblong, apicnlate, 

 denticulate or dentate, coarsely Jimry above with short petioles. 

 Stem-leaves few, lanceolate or ovate-attenuate, acute, 

 sessile. Involucres Iroad, ultimately truncate at the base, 

 very dm-k with soft black-based hairs. Fhyllaries porrect, 

 broad, attenuate, acute. Florets slightly pilose at the tips. 

 Styles livid. 



S. Saxifragum. Bab. Man. ed. 3, p. 195 (not of Fries). 

 S. divwrioatum. G-. Don, in Headrick's Forfar. App. p. 13 ? 



Abundant in the high alpine glens of the Clova and Braemar 

 districts, at an elevation of 1500 to 2500 feet, on exposed cliffs and 

 by the rocky margins of streamlets. Head of Glen Dole. Ravine 

 of the Wbite Water. Micaceous cliffs above Loch "Wbarral. Head 

 of Glen Prosen. Conie of Clova. Head of Glen CaUater. Granite 

 cHffs above Dhidoch. Abundant and very luxuriant among the 

 granitic sand brought down by streamlets descending from Caimtoul 

 on the south-eastern side. Ben Lawers. 



Flowers in 7th and 8th months. 



Flant 15 to 24) inches high, with rather large heads. Moot 

 slender, scarcely woody, descending with few fibres. Stem rigid 

 or flexuose, with few (1 to S) leaves, scattered black-based hairs, 

 and few (1 to 3) erect heads, on elongated erect or ascending 

 peduncles, or branched (sometimes from the base), each branch 

 bearing 1 to 4 heads. Leaves green, rough on the upper surface 

 with coarse hairs, pilose beneath and at the margins. Eoot- 

 leaves usually few in number, 2 to 6 inches long, very variable in 

 form, oblong-lanceolate with small remote teeth tipped with 

 glands, or lanceolate; with sharp and frequently large coarse 

 teeth; entire towards the point and usually acute; sometimes 

 obovate sub-obtuse and nearly entire throughout ; original ones 

 blunt or rounded at the extremity ; all narrowed more or less 



