COMPOSITyK. 27 



internal row at length caducous, of plumose hairs united into a 

 ring at the base. Clinanth hairy, the hairs sometimes united at 

 the base into short tubes. 



E-ather small herbs, not spiny, the leaves often woolly below, 

 and at first webbed above. Periclinc ovoid, with rather broad 

 herbaceous phyllaries. Elowcrs purple. 



This genus of plants was named iu houour of Saussure, a celebrated Swiss 

 naturalist. 



SPECIES I.-SAUS SURE A ALPINA. D.C. 



Plate DCCIII. 

 Serratula alpina, Linn. Sm. Eng. Bot. No. 599. 



Stem erect, furrowed, slightly flocculent, simple. Radical 

 leaves ovate or lanceolate, stalked ; stem-leaves similar, but 

 generally narrower, the lower ones indistinctly stalked, the middle 

 and upper ones sessile, but not decurrent, the uppermost frequently 

 strapshaped ; all sharply dentate or nearly entire, sub-glabrous 

 above, grey-floccose beneath. Anthodcs very shortly stalked, 4 

 to 12, aggregated in a dense terminal corymbose head. Periclinc 

 cylindrical-ovoid ; outer phyllaries broadly ovate, concave, not 

 mucronate, downy ; inner ones lanceolate, twice as long as the 

 outer, densely pilose in the portion which is not covered by the 

 outer ones. 



In moist places and ledges of alpine rocks. Rare. Most 

 frequent in the Scotch highlands ; in England it occurs on the 

 mountains of North Wales, and the Lake district. 



England, Scotland, Ireland. Perennial. Autumn. 



Rootstock stoloniferous, the stolons short, ending in tufts of 

 radical leaves, variable in breadth and the degree of incision on 

 the margin. Elowering-stcm 3 to 18 inches high, rather stout, 

 very leafy, the leaves decreasing in size upwards, the uppermost 

 ones often very narrow. Periclinc about ^ inch long, with rather 

 few phyllaries, the outer ones blunt, concave, purple, slightly 

 pilose, in about two rows, inner ones greenish, but quite concealed 

 by the long dense greyisli hairs which cover them. Elorets a 

 little longer than the phyllaries, purple, with the anthers darker. 

 Achenes brown, with paler ribs. Pappus dirty-white, double ; hairs 

 of the inner one thickened towards the base, very plumose ; the 

 outer very deciduous, with secondary hairs visible only under a 



